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[ Upstream commit a904a0693c189691eeee64f6c6b188bd7dc244e9 ]
Historically linux tried to stick to RFC 791, 1122, 2003
for IPv4 ID field generation.
RFC 6864 made clear that no matter how hard we try,
we can not ensure unicity of IP ID within maximum
lifetime for all datagrams with a given source
address/destination address/protocol tuple.
Linux uses a per socket inet generator (inet_id), initialized
at connection startup with a XOR of 'jiffies' and other
fields that appear clear on the wire.
Thiemo Nagel pointed that this strategy is a privacy
concern as this provides 16 bits of entropy to fingerprint
devices.
Let's switch to a random starting point, this is just as
good as far as RFC 6864 is concerned and does not leak
anything critical.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Thiemo Nagel <tnagel@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7c422d0ce97552dde4a97e6290de70ec6efb0fc6 ]
__skb_wait_for_more_packets() can be called while other cpus
can feed packets to the socket receive queue.
KCSAN reported :
BUG: KCSAN: data-race in __skb_wait_for_more_packets / __udp_enqueue_schedule_skb
write to 0xffff888102e40b58 of 8 bytes by interrupt on cpu 0:
__skb_insert include/linux/skbuff.h:1852 [inline]
__skb_queue_before include/linux/skbuff.h:1958 [inline]
__skb_queue_tail include/linux/skbuff.h:1991 [inline]
__udp_enqueue_schedule_skb+0x2d7/0x410 net/ipv4/udp.c:1470
__udp_queue_rcv_skb net/ipv4/udp.c:1940 [inline]
udp_queue_rcv_one_skb+0x7bd/0xc70 net/ipv4/udp.c:2057
udp_queue_rcv_skb+0xb5/0x400 net/ipv4/udp.c:2074
udp_unicast_rcv_skb.isra.0+0x7e/0x1c0 net/ipv4/udp.c:2233
__udp4_lib_rcv+0xa44/0x17c0 net/ipv4/udp.c:2300
udp_rcv+0x2b/0x40 net/ipv4/udp.c:2470
ip_protocol_deliver_rcu+0x4d/0x420 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x110/0x140 net/ipv4/ip_input.c:231
NF_HOOK include/linux/netfilter.h:305 [inline]
NF_HOOK include/linux/netfilter.h:299 [inline]
ip_local_deliver+0x133/0x210 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:442 [inline]
ip_rcv_finish+0x121/0x160 net/ipv4/ip_input.c:413
NF_HOOK include/linux/netfilter.h:305 [inline]
NF_HOOK include/linux/netfilter.h:299 [inline]
ip_rcv+0x18f/0x1a0 net/ipv4/ip_input.c:523
__netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5010
__netif_receive_skb+0x37/0xf0 net/core/dev.c:5124
process_backlog+0x1d3/0x420 net/core/dev.c:5955
read to 0xffff888102e40b58 of 8 bytes by task 13035 on cpu 1:
__skb_wait_for_more_packets+0xfa/0x320 net/core/datagram.c:100
__skb_recv_udp+0x374/0x500 net/ipv4/udp.c:1683
udp_recvmsg+0xe1/0xb10 net/ipv4/udp.c:1712
inet_recvmsg+0xbb/0x250 net/ipv4/af_inet.c:838
sock_recvmsg_nosec+0x5c/0x70 net/socket.c:871
___sys_recvmsg+0x1a0/0x3e0 net/socket.c:2480
do_recvmmsg+0x19a/0x5c0 net/socket.c:2601
__sys_recvmmsg+0x1ef/0x200 net/socket.c:2680
__do_sys_recvmmsg net/socket.c:2703 [inline]
__se_sys_recvmmsg net/socket.c:2696 [inline]
__x64_sys_recvmmsg+0x89/0xb0 net/socket.c:2696
do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 13035 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 5ff223e86f5addbfae26419cbb5d61d98f6fbf7d ]
memset() the structure ethtool_wolinfo that has padded bytes
but the padded bytes have not been zeroed out.
Signed-off-by: zhanglin <zhang.lin16@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3d1e5039f5f87a8731202ceca08764ee7cb010d3 ]
For some reason I missed the case of DCCP passive
flows in my previous patch.
Fixes: a904a0693c18 ("inet: stop leaking jiffies on the wire")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Thiemo Nagel <tnagel@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-3f5703c
Linux 4.4.199
Revert "ALSA: hda: Flush interrupts on disabling"
xfs: Correctly invert xfs_buftarg LRU isolation logic
sctp: not bind the socket in sctp_connect
sctp: fix the issue that flags are ignored when using kernel_connect
sch_netem: fix rcu splat in netem_enqueue()
net: usb: sr9800: fix uninitialized local variable
bonding: fix potential NULL deref in bond_update_slave_arr
llc: fix sk_buff leak in llc_conn_service()
llc: fix sk_buff leak in llc_sap_state_process()
rtlwifi: Fix potential overflow on P2P code
s390/cmm: fix information leak in cmm_timeout_handler()
nl80211: fix validation of mesh path nexthop
HID: fix error message in hid_open_report()
HID: Fix assumption that devices have inputs
USB: serial: whiteheat: fix line-speed endianness
USB: serial: whiteheat: fix potential slab corruption
USB: ldusb: fix control-message timeout
USB: ldusb: fix ring-buffer locking
USB: gadget: Reject endpoints with 0 maxpacket value
UAS: Revert commit 3ae62a42090f ("UAS: fix alignment of scatter/gather segments")
ALSA: bebob: Fix prototype of helper function to return negative value
fuse: truncate pending writes on O_TRUNC
fuse: flush dirty data/metadata before non-truncate setattr
ath6kl: fix a NULL-ptr-deref bug in ath6kl_usb_alloc_urb_from_pipe()
thunderbolt: Use 32-bit writes when writing ring producer/consumer
USB: legousbtower: fix a signedness bug in tower_probe()
tracing: Initialize iter->seq after zeroing in tracing_read_pipe()
NFSv4: Fix leak of clp->cl_acceptor string
MIPS: fw: sni: Fix out of bounds init of o32 stack
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc()
fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry()
efi/x86: Do not clean dummy variable in kexec path
efi/cper: Fix endianness of PCIe class code
serial: mctrl_gpio: Check for NULL pointer
fs: cifs: mute -Wunused-const-variable message
RDMA/iwcm: Fix a lock inversion issue
perf map: Fix overlapped map handling
iio: fix center temperature of bmc150-accel-core
exec: load_script: Do not exec truncated interpreter path
usb: handle warm-reset port requests on hub resume
scripts/setlocalversion: Improve -dirty check with git-status --no-optional-locks
x86/cpu: Add Atom Tremont (Jacobsville)
sc16is7xx: Fix for "Unexpected interrupt: 8"
dm: Use kzalloc for all structs with embedded biosets/mempools
dm snapshot: rework COW throttling to fix deadlock
dm snapshot: introduce account_start_copy() and account_end_copy()
dm snapshot: use mutex instead of rw_semaphore
ANDROID: cpufreq: times: add /proc/uid_concurrent_{active,policy}_time
Conflicts:
drivers/cpufreq/cpufreq_times.c
Change-Id: I2c27599db8577afa4853222b11d9aec20071e752
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.199
dm snapshot: use mutex instead of rw_semaphore
dm snapshot: introduce account_start_copy() and account_end_copy()
dm snapshot: rework COW throttling to fix deadlock
dm: Use kzalloc for all structs with embedded biosets/mempools
sc16is7xx: Fix for "Unexpected interrupt: 8"
x86/cpu: Add Atom Tremont (Jacobsville)
scripts/setlocalversion: Improve -dirty check with git-status --no-optional-locks
usb: handle warm-reset port requests on hub resume
exec: load_script: Do not exec truncated interpreter path
iio: fix center temperature of bmc150-accel-core
perf map: Fix overlapped map handling
RDMA/iwcm: Fix a lock inversion issue
fs: cifs: mute -Wunused-const-variable message
serial: mctrl_gpio: Check for NULL pointer
efi/cper: Fix endianness of PCIe class code
efi/x86: Do not clean dummy variable in kexec path
fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry()
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc()
MIPS: fw: sni: Fix out of bounds init of o32 stack
NFSv4: Fix leak of clp->cl_acceptor string
tracing: Initialize iter->seq after zeroing in tracing_read_pipe()
USB: legousbtower: fix a signedness bug in tower_probe()
thunderbolt: Use 32-bit writes when writing ring producer/consumer
ath6kl: fix a NULL-ptr-deref bug in ath6kl_usb_alloc_urb_from_pipe()
fuse: flush dirty data/metadata before non-truncate setattr
fuse: truncate pending writes on O_TRUNC
ALSA: bebob: Fix prototype of helper function to return negative value
UAS: Revert commit 3ae62a42090f ("UAS: fix alignment of scatter/gather segments")
USB: gadget: Reject endpoints with 0 maxpacket value
USB: ldusb: fix ring-buffer locking
USB: ldusb: fix control-message timeout
USB: serial: whiteheat: fix potential slab corruption
USB: serial: whiteheat: fix line-speed endianness
HID: Fix assumption that devices have inputs
HID: fix error message in hid_open_report()
nl80211: fix validation of mesh path nexthop
s390/cmm: fix information leak in cmm_timeout_handler()
rtlwifi: Fix potential overflow on P2P code
llc: fix sk_buff leak in llc_sap_state_process()
llc: fix sk_buff leak in llc_conn_service()
bonding: fix potential NULL deref in bond_update_slave_arr
net: usb: sr9800: fix uninitialized local variable
sch_netem: fix rcu splat in netem_enqueue()
sctp: fix the issue that flags are ignored when using kernel_connect
sctp: not bind the socket in sctp_connect
xfs: Correctly invert xfs_buftarg LRU isolation logic
Revert "ALSA: hda: Flush interrupts on disabling"
Linux 4.4.199
Change-Id: Ia26458456401f9ec050f4c11bd5bdf24b8a21b24
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 9b6c08878e23adb7cc84bdca94d8a944b03f099e upstream.
Now when sctp_connect() is called with a wrong sa_family, it binds
to a port but doesn't set bp->port, then sctp_get_af_specific will
return NULL and sctp_connect() returns -EINVAL.
Then if sctp_bind() is called to bind to another port, the last
port it has bound will leak due to bp->port is NULL by then.
sctp_connect() doesn't need to bind ports, as later __sctp_connect
will do it if bp->port is NULL. So remove it from sctp_connect().
While at it, remove the unnecessary sockaddr.sa_family len check
as it's already done in sctp_inet_connect.
Fixes: 644fbdeacf1d ("sctp: fix the issue that flags are ignored when using kernel_connect")
Reported-by: syzbot+079bf326b38072f849d9@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 644fbdeacf1d3edd366e44b8ba214de9d1dd66a9 upstream.
Now sctp uses inet_dgram_connect as its proto_ops .connect, and the flags
param can't be passed into its proto .connect where this flags is really
needed.
sctp works around it by getting flags from socket file in __sctp_connect.
It works for connecting from userspace, as inherently the user sock has
socket file and it passes f_flags as the flags param into the proto_ops
.connect.
However, the sock created by sock_create_kern doesn't have a socket file,
and it passes the flags (like O_NONBLOCK) by using the flags param in
kernel_connect, which calls proto_ops .connect later.
So to fix it, this patch defines a new proto_ops .connect for sctp,
sctp_inet_connect, which calls __sctp_connect() directly with this
flags param. After this, the sctp's proto .connect can be removed.
Note that sctp_inet_connect doesn't need to do some checks that are not
needed for sctp, which makes thing better than with inet_dgram_connect.
Suggested-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 159d2c7d8106177bd9a986fd005a311fe0d11285 upstream.
qdisc_root() use from netem_enqueue() triggers a lockdep warning.
__dev_queue_xmit() uses rcu_read_lock_bh() which is
not equivalent to rcu_read_lock() + local_bh_disable_bh as far
as lockdep is concerned.
WARNING: suspicious RCU usage
5.3.0-rc7+ #0 Not tainted
-----------------------------
include/net/sch_generic.h:492 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz-executor427/8855:
#0: 00000000b5525c01 (rcu_read_lock_bh){....}, at: lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline]
#0: 00000000b5525c01 (rcu_read_lock_bh){....}, at: ip_finish_output2+0x2dc/0x2570 net/ipv4/ip_output.c:214
#1: 00000000b5525c01 (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x20a/0x3650 net/core/dev.c:3804
#2: 00000000364bae92 (&(&sch->q.lock)->rlock){+.-.}, at: spin_lock include/linux/spinlock.h:338 [inline]
#2: 00000000364bae92 (&(&sch->q.lock)->rlock){+.-.}, at: __dev_xmit_skb net/core/dev.c:3502 [inline]
#2: 00000000364bae92 (&(&sch->q.lock)->rlock){+.-.}, at: __dev_queue_xmit+0x14b8/0x3650 net/core/dev.c:3838
stack backtrace:
CPU: 0 PID: 8855 Comm: syz-executor427 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
lockdep_rcu_suspicious+0x153/0x15d kernel/locking/lockdep.c:5357
qdisc_root include/net/sch_generic.h:492 [inline]
netem_enqueue+0x1cfb/0x2d80 net/sched/sch_netem.c:479
__dev_xmit_skb net/core/dev.c:3527 [inline]
__dev_queue_xmit+0x15d2/0x3650 net/core/dev.c:3838
dev_queue_xmit+0x18/0x20 net/core/dev.c:3902
neigh_hh_output include/net/neighbour.h:500 [inline]
neigh_output include/net/neighbour.h:509 [inline]
ip_finish_output2+0x1726/0x2570 net/ipv4/ip_output.c:228
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x5fc/0xb90 net/ipv4/ip_output.c:290
ip_finish_output+0x38/0x1f0 net/ipv4/ip_output.c:318
NF_HOOK_COND include/linux/netfilter.h:294 [inline]
ip_mc_output+0x292/0xf40 net/ipv4/ip_output.c:417
dst_output include/net/dst.h:436 [inline]
ip_local_out+0xbb/0x190 net/ipv4/ip_output.c:125
ip_send_skb+0x42/0xf0 net/ipv4/ip_output.c:1555
udp_send_skb.isra.0+0x6b2/0x1160 net/ipv4/udp.c:887
udp_sendmsg+0x1e96/0x2820 net/ipv4/udp.c:1174
inet_sendmsg+0x9e/0xe0 net/ipv4/af_inet.c:807
sock_sendmsg_nosec net/socket.c:637 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:657
___sys_sendmsg+0x3e2/0x920 net/socket.c:2311
__sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2413
__do_sys_sendmmsg net/socket.c:2442 [inline]
__se_sys_sendmmsg net/socket.c:2439 [inline]
__x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2439
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b74555de21acd791f12c4a1aeaf653dd7ac21133 upstream.
syzbot reported:
BUG: memory leak
unreferenced object 0xffff88811eb3de00 (size 224):
comm "syz-executor559", pid 7315, jiffies 4294943019 (age 10.300s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 a0 38 24 81 88 ff ff 00 c0 f2 15 81 88 ff ff ..8$............
backtrace:
[<000000008d1c66a1>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
[<000000008d1c66a1>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<000000008d1c66a1>] slab_alloc_node mm/slab.c:3269 [inline]
[<000000008d1c66a1>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<00000000447d9496>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:198
[<000000000cdbf82f>] alloc_skb include/linux/skbuff.h:1058 [inline]
[<000000000cdbf82f>] llc_alloc_frame+0x66/0x110 net/llc/llc_sap.c:54
[<000000002418b52e>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 net/llc/llc_c_ac.c:777
[<000000001372ae17>] llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline]
[<000000001372ae17>] llc_conn_service net/llc/llc_conn.c:400 [inline]
[<000000001372ae17>] llc_conn_state_process+0x1ac/0x640 net/llc/llc_conn.c:75
[<00000000f27e53c1>] llc_establish_connection+0x110/0x170 net/llc/llc_if.c:109
[<00000000291b2ca0>] llc_ui_connect+0x10e/0x370 net/llc/af_llc.c:477
[<000000000f9c740b>] __sys_connect+0x11d/0x170 net/socket.c:1840
[...]
The bug is that most callers of llc_conn_send_pdu() assume it consumes a
reference to the skb, when actually due to commit b85ab56c3f81 ("llc:
properly handle dev_queue_xmit() return value") it doesn't.
Revert most of that commit, and instead make the few places that need
llc_conn_send_pdu() to *not* consume a reference call skb_get() before.
Fixes: b85ab56c3f81 ("llc: properly handle dev_queue_xmit() return value")
Reported-by: syzbot+6b825a6494a04cc0e3f7@syzkaller.appspotmail.com
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c6ee11c39fcc1fb55130748990a8f199e76263b4 upstream.
syzbot reported:
BUG: memory leak
unreferenced object 0xffff888116270800 (size 224):
comm "syz-executor641", pid 7047, jiffies 4294947360 (age 13.860s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 20 e1 2a 81 88 ff ff 00 40 3d 2a 81 88 ff ff . .*.....@=*....
backtrace:
[<000000004d41b4cc>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
[<000000004d41b4cc>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<000000004d41b4cc>] slab_alloc_node mm/slab.c:3269 [inline]
[<000000004d41b4cc>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<00000000506a5965>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:198
[<000000001ba5a161>] alloc_skb include/linux/skbuff.h:1058 [inline]
[<000000001ba5a161>] alloc_skb_with_frags+0x5f/0x250 net/core/skbuff.c:5327
[<0000000047d9c78b>] sock_alloc_send_pskb+0x269/0x2a0 net/core/sock.c:2225
[<000000003828fe54>] sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2242
[<00000000e34d94f9>] llc_ui_sendmsg+0x10a/0x540 net/llc/af_llc.c:933
[<00000000de2de3fb>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<00000000de2de3fb>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<000000008fe16e7a>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[...]
The bug is that llc_sap_state_process() always takes an extra reference
to the skb, but sometimes neither llc_sap_next_state() nor
llc_sap_state_process() itself drops this reference.
Fix it by changing llc_sap_next_state() to never consume a reference to
the skb, rather than sometimes do so and sometimes not. Then remove the
extra skb_get() and kfree_skb() from llc_sap_state_process().
Reported-by: syzbot+6bf095f9becf5efef645@syzkaller.appspotmail.com
Reported-by: syzbot+31c16aa4202dace3812e@syzkaller.appspotmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1fab1b89e2e8f01204a9c05a39fd0b6411a48593 upstream.
Mesh path nexthop should be a ethernet address, but current validation
checks against 4 byte integers.
Cc: stable@vger.kernel.org
Fixes: 2ec600d672e74 ("nl80211/cfg80211: support for mesh, sta dumping")
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20191029093003.10355-1-markus.theil@tu-ilmenau.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-dbd0162
Linux 4.4.198
RDMA/cxgb4: Do not dma memory off of the stack
net: sched: Fix memory exposure from short TCA_U32_SEL
PCI: PM: Fix pci_power_up()
xen/netback: fix error path of xenvif_connect_data()
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group()
CIFS: avoid using MID 0xFFFF
parisc: Fix vmap memory leak in ioremap()/iounmap()
xtensa: drop EXPORT_SYMBOL for outs*/ins*
mm/slub: fix a deadlock in show_slab_objects()
scsi: zfcp: fix reaction on bit error threshold notification
drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50
mac80211: Reject malformed SSID elements
cfg80211: wext: avoid copying malformed SSIDs
ASoC: rsnd: Reinitialize bit clock inversion flag for every format setting
scsi: core: try to get module before removing device
USB: ldusb: fix read info leaks
USB: usblp: fix use-after-free on disconnect
USB: ldusb: fix memleak on disconnect
USB: serial: ti_usb_3410_5052: fix port-close races
usb: udc: lpc32xx: fix bad bit shift operation
USB: legousbtower: fix memleak on disconnect
memfd: Fix locking when tagging pins
ipv4: Return -ENETUNREACH if we can't create route but saddr is valid
net: avoid potential infinite loop in tc_ctl_action()
sctp: change sctp_prot .no_autobind with true
net: bcmgenet: Set phydev->dev_flags only for internal PHYs
net: bcmgenet: Fix RGMII_MODE_EN value for GENET v1/2/3
loop: Add LOOP_SET_DIRECT_IO to compat ioctl
namespace: fix namespace.pl script to support relative paths
net: hisilicon: Fix usage of uninitialized variable in function mdio_sc_cfg_reg_write()
mips: Loongson: Fix the link time qualifier of 'serial_exit()'
nl80211: fix null pointer dereference
ARM: dts: am4372: Set memory bandwidth limit for DISPC
ARM: OMAP2+: Fix missing reset done flag for am3 and am43
scsi: qla2xxx: Fix unbound sleep in fcport delete path.
scsi: megaraid: disable device when probe failed after enabled device
scsi: ufs: skip shutdown if hba is not powered
rtlwifi: Fix potential overflow on P2P code
ANDROID: clang: update to 9.0.8 based on r365631c
ANDROID: move up spin_unlock_bh() ahead of remove_proc_entry()
ANDROID: refactor build.config files to remove duplication
Conflicts:
drivers/block/loop.c
Change-Id: I68d2106c6480b9a2573f31302b0c75922f427732
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.198
scsi: ufs: skip shutdown if hba is not powered
scsi: megaraid: disable device when probe failed after enabled device
scsi: qla2xxx: Fix unbound sleep in fcport delete path.
ARM: OMAP2+: Fix missing reset done flag for am3 and am43
ARM: dts: am4372: Set memory bandwidth limit for DISPC
nl80211: fix null pointer dereference
mips: Loongson: Fix the link time qualifier of 'serial_exit()'
net: hisilicon: Fix usage of uninitialized variable in function mdio_sc_cfg_reg_write()
namespace: fix namespace.pl script to support relative paths
loop: Add LOOP_SET_DIRECT_IO to compat ioctl
net: bcmgenet: Fix RGMII_MODE_EN value for GENET v1/2/3
net: bcmgenet: Set phydev->dev_flags only for internal PHYs
sctp: change sctp_prot .no_autobind with true
net: avoid potential infinite loop in tc_ctl_action()
ipv4: Return -ENETUNREACH if we can't create route but saddr is valid
memfd: Fix locking when tagging pins
USB: legousbtower: fix memleak on disconnect
usb: udc: lpc32xx: fix bad bit shift operation
USB: serial: ti_usb_3410_5052: fix port-close races
USB: ldusb: fix memleak on disconnect
USB: usblp: fix use-after-free on disconnect
USB: ldusb: fix read info leaks
scsi: core: try to get module before removing device
ASoC: rsnd: Reinitialize bit clock inversion flag for every format setting
cfg80211: wext: avoid copying malformed SSIDs
mac80211: Reject malformed SSID elements
drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50
scsi: zfcp: fix reaction on bit error threshold notification
mm/slub: fix a deadlock in show_slab_objects()
xtensa: drop EXPORT_SYMBOL for outs*/ins*
parisc: Fix vmap memory leak in ioremap()/iounmap()
CIFS: avoid using MID 0xFFFF
btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group()
memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
xen/netback: fix error path of xenvif_connect_data()
PCI: PM: Fix pci_power_up()
net: sched: Fix memory exposure from short TCA_U32_SEL
RDMA/cxgb4: Do not dma memory off of the stack
Linux 4.4.198
Change-Id: Ibaaa507ab0873375f5ad9ef2d53982aa8d346599
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 98c8f125fd8a6240ea343c1aa50a1be9047791b8 upstream.
Via u32_change(), TCA_U32_SEL has an unspecified type in the netlink
policy, so max length isn't enforced, only minimum. This means nkeys
(from userspace) was being trusted without checking the actual size of
nla_len(), which could lead to a memory over-read, and ultimately an
exposure via a call to u32_dump(). Reachability is CAP_NET_ADMIN within
a namespace.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4152561f5da3fca92af7179dd538ea89e248f9d0 upstream.
Although this shouldn't occur in practice, it's a good idea to bounds
check the length field of the SSID element prior to using it for things
like allocations or memcpy operations.
Cc: <stable@vger.kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Reported-by: Nicolas Waisman <nico@semmle.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20191004095132.15777-1-will@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4ac2813cc867ae563a1ba5a9414bfb554e5796fa upstream.
Ensure the SSID element is bounds-checked prior to invoking memcpy()
with its length field, when copying to userspace.
Cc: <stable@vger.kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Reported-by: Nicolas Waisman <nico@semmle.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20191004095132.15777-2-will@kernel.org
[adjust commit log a bit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 595e0651d0296bad2491a4a29a7a43eae6328b02 ]
...instead of -EINVAL. An issue was found with older kernel versions
while unplugging a NFS client with pending RPCs, and the wrong error
code here prevented it from recovering once link is back up with a
configured address.
Incidentally, this is not an issue anymore since commit 4f8943f80883
("SUNRPC: Replace direct task wakeups from softirq context"), included
in 5.2-rc7, had the effect of decoupling the forwarding of this error
by using SO_ERROR in xs_wake_error(), as pointed out by Benjamin
Coddington.
To the best of my knowledge, this isn't currently causing any further
issue, but the error code doesn't look appropriate anyway, and we
might hit this in other paths as well.
In detail, as analysed by Gonzalo Siero, once the route is deleted
because the interface is down, and can't be resolved and we return
-EINVAL here, this ends up, courtesy of inet_sk_rebuild_header(),
as the socket error seen by tcp_write_err(), called by
tcp_retransmit_timer().
In turn, tcp_write_err() indirectly calls xs_error_report(), which
wakes up the RPC pending tasks with a status of -EINVAL. This is then
seen by call_status() in the SUN RPC implementation, which aborts the
RPC call calling rpc_exit(), instead of handling this as a
potentially temporary condition, i.e. as a timeout.
Return -EINVAL only if the input parameters passed to
ip_route_output_key_hash_rcu() are actually invalid (this is the case
if the specified source address is multicast, limited broadcast or
all zeroes), but return -ENETUNREACH in all cases where, at the given
moment, the given source address doesn't allow resolving the route.
While at it, drop the initialisation of err to -ENETUNREACH, which
was added to __ip_route_output_key() back then by commit
0315e3827048 ("net: Fix behaviour of unreachable, blackhole and
prohibit routes"), but actually had no effect, as it was, and is,
overwritten by the fib_lookup() return code assignment, and anyway
ignored in all other branches, including the if (fl4->saddr) one:
I find this rather confusing, as it would look like -ENETUNREACH is
the "default" error, while that statement has no effect.
Also note that after commit fc75fc8339e7 ("ipv4: dont create routes
on down devices"), we would get -ENETUNREACH if the device is down,
but -EINVAL if the source address is specified and we can't resolve
the route, and this appears to be rather inconsistent.
Reported-by: Stefan Walter <walteste@inf.ethz.ch>
Analysed-by: Benjamin Coddington <bcodding@redhat.com>
Analysed-by: Gonzalo Siero <gsierohu@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 39f13ea2f61b439ebe0060393e9c39925c9ee28c ]
tc_ctl_action() has the ability to loop forever if tcf_action_add()
returns -EAGAIN.
This special case has been done in case a module needed to be loaded,
but it turns out that tcf_add_notify() could also return -EAGAIN
if the socket sk_rcvbuf limit is hit.
We need to separate the two cases, and only loop for the module
loading case.
While we are at it, add a limit of 10 attempts since unbounded
loops are always scary.
syzbot repro was something like :
socket(PF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 3
write(3, ..., 38) = 38
setsockopt(3, SOL_SOCKET, SO_RCVBUF, [0], 4) = 0
sendmsg(3, {msg_name(0)=NULL, msg_iov(1)=[{..., 388}], msg_controllen=0, msg_flags=0x10}, ...)
NMI backtrace for cpu 0
CPU: 0 PID: 1054 Comm: khungtaskd Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
watchdog+0x9d0/0xef0 kernel/hung_task.c:289
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8859 Comm: syz-executor910 Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:751 [inline]
RIP: 0010:lockdep_hardirqs_off+0x1df/0x2e0 kernel/locking/lockdep.c:3453
Code: 5c 08 00 00 5b 41 5c 41 5d 5d c3 48 c7 c0 58 1d f3 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 d3 00 00 00 <48> 83 3d 21 9e 99 07 00 0f 84 b9 00 00 00 9c 58 0f 1f 44 00 00 f6
RSP: 0018:ffff8880a6f3f1b8 EFLAGS: 00000046
RAX: 1ffffffff11e63ab RBX: ffff88808c9c6080 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88808c9c6914
RBP: ffff8880a6f3f1d0 R08: ffff88808c9c6080 R09: fffffbfff16be5d1
R10: fffffbfff16be5d0 R11: 0000000000000003 R12: ffffffff8746591f
R13: ffff88808c9c6080 R14: ffffffff8746591f R15: 0000000000000003
FS: 00000000011e4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000000a8920000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_off+0x62/0x240 kernel/trace/trace_preemptirq.c:45
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
_raw_spin_lock_irqsave+0x6f/0xcd kernel/locking/spinlock.c:159
__wake_up_common_lock+0xc8/0x150 kernel/sched/wait.c:122
__wake_up+0xe/0x10 kernel/sched/wait.c:142
netlink_unlock_table net/netlink/af_netlink.c:466 [inline]
netlink_unlock_table net/netlink/af_netlink.c:463 [inline]
netlink_broadcast_filtered+0x705/0xb80 net/netlink/af_netlink.c:1514
netlink_broadcast+0x3a/0x50 net/netlink/af_netlink.c:1534
rtnetlink_send+0xdd/0x110 net/core/rtnetlink.c:714
tcf_add_notify net/sched/act_api.c:1343 [inline]
tcf_action_add+0x243/0x370 net/sched/act_api.c:1362
tc_ctl_action+0x3b5/0x4bc net/sched/act_api.c:1410
rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5386
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5404
netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:637 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:657
___sys_sendmsg+0x803/0x920 net/socket.c:2311
__sys_sendmsg+0x105/0x1d0 net/socket.c:2356
__do_sys_sendmsg net/socket.c:2365 [inline]
__se_sys_sendmsg net/socket.c:2363 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363
do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440939
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+cf0adbb9c28c8866c788@syzkaller.appspotmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 63dfb7938b13fa2c2fbcb45f34d065769eb09414 ]
syzbot reported a memory leak:
BUG: memory leak, unreferenced object 0xffff888120b3d380 (size 64):
backtrace:
[...] slab_alloc mm/slab.c:3319 [inline]
[...] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
[...] sctp_bucket_create net/sctp/socket.c:8523 [inline]
[...] sctp_get_port_local+0x189/0x5a0 net/sctp/socket.c:8270
[...] sctp_do_bind+0xcc/0x200 net/sctp/socket.c:402
[...] sctp_bindx_add+0x4b/0xd0 net/sctp/socket.c:497
[...] sctp_setsockopt_bindx+0x156/0x1b0 net/sctp/socket.c:1022
[...] sctp_setsockopt net/sctp/socket.c:4641 [inline]
[...] sctp_setsockopt+0xaea/0x2dc0 net/sctp/socket.c:4611
[...] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3147
[...] __sys_setsockopt+0x10f/0x220 net/socket.c:2084
[...] __do_sys_setsockopt net/socket.c:2100 [inline]
It was caused by when sending msgs without binding a port, in the path:
inet_sendmsg() -> inet_send_prepare() -> inet_autobind() ->
.get_port/sctp_get_port(), sp->bind_hash will be set while bp->port is
not. Later when binding another port by sctp_setsockopt_bindx(), a new
bucket will be created as bp->port is not set.
sctp's autobind is supposed to call sctp_autobind() where it does all
things including setting bp->port. Since sctp_autobind() is called in
sctp_sendmsg() if the sk is not yet bound, it should have skipped the
auto bind.
THis patch is to avoid calling inet_autobind() in inet_send_prepare()
by changing sctp_prot .no_autobind with true, also remove the unused
.get_port.
Reported-by: syzbot+d44f7bbebdea49dbc84a@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b501426cf86e70649c983c52f4c823b3c40d72a3 ]
If the interface is not in MESH mode, the command 'iw wlanx mpath del'
will cause kernel panic.
The root cause is null pointer access in mpp_flush_by_proxy(), as the
pointer 'sdata->u.mesh.mpp_paths' is NULL for non MESH interface.
Unable to handle kernel NULL pointer dereference at virtual address 00000068
[...]
PC is at _raw_spin_lock_bh+0x20/0x5c
LR is at mesh_path_del+0x1c/0x17c [mac80211]
[...]
Process iw (pid: 4537, stack limit = 0xd83e0238)
[...]
[<c021211c>] (_raw_spin_lock_bh) from [<bf8c7648>] (mesh_path_del+0x1c/0x17c [mac80211])
[<bf8c7648>] (mesh_path_del [mac80211]) from [<bf6cdb7c>] (extack_doit+0x20/0x68 [compat])
[<bf6cdb7c>] (extack_doit [compat]) from [<c05c309c>] (genl_rcv_msg+0x274/0x30c)
[<c05c309c>] (genl_rcv_msg) from [<c05c25d8>] (netlink_rcv_skb+0x58/0xac)
[<c05c25d8>] (netlink_rcv_skb) from [<c05c2e14>] (genl_rcv+0x20/0x34)
[<c05c2e14>] (genl_rcv) from [<c05c1f90>] (netlink_unicast+0x11c/0x204)
[<c05c1f90>] (netlink_unicast) from [<c05c2420>] (netlink_sendmsg+0x30c/0x370)
[<c05c2420>] (netlink_sendmsg) from [<c05886d0>] (sock_sendmsg+0x70/0x84)
[<c05886d0>] (sock_sendmsg) from [<c0589f4c>] (___sys_sendmsg.part.3+0x188/0x228)
[<c0589f4c>] (___sys_sendmsg.part.3) from [<c058add4>] (__sys_sendmsg+0x4c/0x70)
[<c058add4>] (__sys_sendmsg) from [<c0208c80>] (ret_fast_syscall+0x0/0x44)
Code: e2822c02 e2822001 e5832004 f590f000 (e1902f9f)
---[ end trace bbd717600f8f884d ]---
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Link: https://lore.kernel.org/r/1569485810-761-1-git-send-email-miaoqing@codeaurora.org
[trim useless data from commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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It causes BUG because remove_proc_entry may sleep while holding spinlock.
BUG: scheduling while atomic: ip6tables-resto/887/0x00000202
[<c0f03f00>] (wait_for_completion) from [<c031b8c8>] (proc_entry_rundown+0x74/0xd0)
[<c031b854>] (proc_entry_rundown) from [<c03225c4>] (remove_proc_entry+0xc0/0x18c)
[<c0322504>] (remove_proc_entry) from [<c0d656e0>] (quota_mt2_destroy+0x88/0xa8)
[<c0d65658>] (quota_mt2_destroy) from [<c0e405f0>] (cleanup_entry+0x6c/0xf0)
[<c0e40584>] (cleanup_entry) from [<c0e41400>] (do_replace.constprop.2+0x314/0x438)
[<c0e410ec>] (do_replace.constprop.2) from [<c0e41640>] (do_ip6t_set_ctl+0x11c/0x238)
[<c0e41524>] (do_ip6t_set_ctl) from [<c0d2e7ec>] (nf_setsockopt+0xd4/0xf0)
[<c0d2e718>] (nf_setsockopt) from [<c0e16bb8>] (ipv6_setsockopt+0x90/0xb8)
[<c0e16b28>] (ipv6_setsockopt) from [<c0e1e908>] (rawv6_setsockopt+0x54/0x22c)
[<c0e1e8b4>] (rawv6_setsockopt) from [<c0cb48dc>] (sock_common_setsockopt+0x28/0x30)
[<c0cb48b4>] (sock_common_setsockopt) from [<c0cb3ac8>] (SyS_setsockopt+0xb8/0x110)
[<c0cb3a10>] (SyS_setsockopt) from [<c01094e0>] (ret_fast_syscall+0x0/0x48)
This is a fix for an Android specific feature which was imported
from unofficial upstream (xtables-addons), which also has the same issue:
https://sourceforge.net/p/xtables-addons/xtables-addons/ci/master/tree/extensions/xt_quota2.c#l235
After this change the proc entry may now be removed later, when we're already
adding another one, potentially with the same name, this will simply
fail during creation, see error path for this at:
https://sourceforge.net/p/xtables-addons/xtables-addons/ci/master/tree/extensions/xt_quota2.c#l179
Bug: 143092160
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: DongJoo Kim <micomx@gmail.com>
Change-Id: I3ff3883738353785f5792c5f06bf6b72985c4c68
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* refs/heads/tmp-93ec8fb
Linux 4.4.197
xfs: clear sb->s_fs_info on mount failure
x86/asm: Fix MWAITX C-state hint value
tracing: Get trace_array reference for available_tracers files
media: stkwebcam: fix runtime PM after driver unbind
CIFS: Force revalidate inode when dentry is stale
cifs: Check uniqueid for SMB2+ and return -ESTALE if necessary
Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc
arm64: Rename cpuid_feature field extract routines
arm64: capabilities: Handle sign of the feature bit
kernel/sysctl.c: do not override max_threads provided by userspace
CIFS: Force reval dentry if LOOKUP_REVAL flag is set
CIFS: Gracefully handle QueryInfo errors during open
perf llvm: Don't access out-of-scope array
iio: light: opt3001: fix mutex unlock race
iio: adc: ad799x: fix probe error handling
staging: vt6655: Fix memory leak in vt6655_probe
USB: legousbtower: fix use-after-free on release
USB: legousbtower: fix open after failed reset request
USB: legousbtower: fix potential NULL-deref on disconnect
USB: legousbtower: fix deadlock on disconnect
USB: legousbtower: fix slab info leak at probe
usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior
usb: renesas_usbhs: gadget: Do not discard queues in usb_ep_set_{halt,wedge}()
USB: dummy-hcd: fix power budget for SuperSpeed mode
USB: microtek: fix info-leak at probe
USB: usblcd: fix I/O after disconnect
USB: serial: fix runtime PM after driver unbind
USB: serial: option: add support for Cinterion CLS8 devices
USB: serial: option: add Telit FN980 compositions
USB: serial: ftdi_sio: add device IDs for Sienna and Echelon PL-20
USB: serial: keyspan: fix NULL-derefs on open() and write()
serial: uartlite: fix exit path null pointer
USB: ldusb: fix NULL-derefs on driver unbind
USB: chaoskey: fix use-after-free on release
USB: usblp: fix runtime PM after driver unbind
USB: iowarrior: fix use-after-free after driver unbind
USB: iowarrior: fix use-after-free on release
USB: iowarrior: fix use-after-free on disconnect
USB: adutux: fix use-after-free on release
USB: adutux: fix NULL-derefs on disconnect
USB: adutux: fix use-after-free on disconnect
USB: adutux: remove redundant variable minor
xhci: Increase STS_SAVE timeout in xhci_suspend()
usb: xhci: wait for CNR controller not ready bit in xhci resume
xhci: Check all endpoints for LPM timeout
xhci: Prevent device initiated U1/U2 link pm if exit latency is too long
USB: usb-skeleton: fix NULL-deref on disconnect
USB: usb-skeleton: fix runtime PM after driver unbind
USB: yurex: fix NULL-derefs on disconnect
USB: yurex: Don't retry on unexpected errors
USB: rio500: Remove Rio 500 kernel driver
panic: ensure preemption is disabled during panic()
ASoC: sgtl5000: Improve VAG power and mute control
nl80211: validate beacon head
cfg80211: Use const more consistently in for_each_element macros
cfg80211: add and use strongly typed element iteration macros
crypto: caam - fix concurrency issue in givencrypt descriptor
perf stat: Fix a segmentation fault when using repeat forever
tools lib traceevent: Do not free tep->cmdlines in add_new_comm() on failure
kernel/elfcore.c: include proper prototypes
fuse: fix memleak in cuse_channel_open
thermal: Fix use-after-free when unregistering thermal zone device
drm/amdgpu: Check for valid number of registers to read
ceph: fix directories inode i_blkbits initialization
xen/pci: reserve MCFG areas earlier
9p: avoid attaching writeback_fid on mmap with type PRIVATE
fs: nfs: Fix possible null-pointer dereferences in encode_attrs()
ima: always return negative code for error
cfg80211: initialize on-stack chandefs
ieee802154: atusb: fix use-after-free at disconnect
crypto: qat - Silence smp_processor_id() warning
can: mcp251x: mcp251x_hw_reset(): allow more time after a reset
powerpc/powernv: Restrict OPAL symbol map to only be readable by root
ASoC: Define a set of DAPM pre/post-up events
KVM: nVMX: handle page fault in vmread fix
s390/cio: exclude subchannels with no parent from pseudo check
s390/cio: avoid calling strlen on null pointer
s390/topology: avoid firing events before kobjs are created
KVM: s390: Test for bad access register and size at the start of S390_MEM_OP
Change-Id: I948ef653eafcff32197e1886e13548b32be2d0ad
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.197
KVM: s390: Test for bad access register and size at the start of S390_MEM_OP
s390/topology: avoid firing events before kobjs are created
s390/cio: avoid calling strlen on null pointer
s390/cio: exclude subchannels with no parent from pseudo check
KVM: nVMX: handle page fault in vmread fix
ASoC: Define a set of DAPM pre/post-up events
powerpc/powernv: Restrict OPAL symbol map to only be readable by root
can: mcp251x: mcp251x_hw_reset(): allow more time after a reset
crypto: qat - Silence smp_processor_id() warning
ieee802154: atusb: fix use-after-free at disconnect
cfg80211: initialize on-stack chandefs
ima: always return negative code for error
fs: nfs: Fix possible null-pointer dereferences in encode_attrs()
9p: avoid attaching writeback_fid on mmap with type PRIVATE
xen/pci: reserve MCFG areas earlier
ceph: fix directories inode i_blkbits initialization
drm/amdgpu: Check for valid number of registers to read
thermal: Fix use-after-free when unregistering thermal zone device
fuse: fix memleak in cuse_channel_open
kernel/elfcore.c: include proper prototypes
tools lib traceevent: Do not free tep->cmdlines in add_new_comm() on failure
perf stat: Fix a segmentation fault when using repeat forever
crypto: caam - fix concurrency issue in givencrypt descriptor
cfg80211: add and use strongly typed element iteration macros
cfg80211: Use const more consistently in for_each_element macros
nl80211: validate beacon head
ASoC: sgtl5000: Improve VAG power and mute control
panic: ensure preemption is disabled during panic()
USB: rio500: Remove Rio 500 kernel driver
USB: yurex: Don't retry on unexpected errors
USB: yurex: fix NULL-derefs on disconnect
USB: usb-skeleton: fix runtime PM after driver unbind
USB: usb-skeleton: fix NULL-deref on disconnect
xhci: Prevent device initiated U1/U2 link pm if exit latency is too long
xhci: Check all endpoints for LPM timeout
usb: xhci: wait for CNR controller not ready bit in xhci resume
xhci: Increase STS_SAVE timeout in xhci_suspend()
USB: adutux: remove redundant variable minor
USB: adutux: fix use-after-free on disconnect
USB: adutux: fix NULL-derefs on disconnect
USB: adutux: fix use-after-free on release
USB: iowarrior: fix use-after-free on disconnect
USB: iowarrior: fix use-after-free on release
USB: iowarrior: fix use-after-free after driver unbind
USB: usblp: fix runtime PM after driver unbind
USB: chaoskey: fix use-after-free on release
USB: ldusb: fix NULL-derefs on driver unbind
serial: uartlite: fix exit path null pointer
USB: serial: keyspan: fix NULL-derefs on open() and write()
USB: serial: ftdi_sio: add device IDs for Sienna and Echelon PL-20
USB: serial: option: add Telit FN980 compositions
USB: serial: option: add support for Cinterion CLS8 devices
USB: serial: fix runtime PM after driver unbind
USB: usblcd: fix I/O after disconnect
USB: microtek: fix info-leak at probe
USB: dummy-hcd: fix power budget for SuperSpeed mode
usb: renesas_usbhs: gadget: Do not discard queues in usb_ep_set_{halt,wedge}()
usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior
USB: legousbtower: fix slab info leak at probe
USB: legousbtower: fix deadlock on disconnect
USB: legousbtower: fix potential NULL-deref on disconnect
USB: legousbtower: fix open after failed reset request
USB: legousbtower: fix use-after-free on release
staging: vt6655: Fix memory leak in vt6655_probe
iio: adc: ad799x: fix probe error handling
iio: light: opt3001: fix mutex unlock race
perf llvm: Don't access out-of-scope array
CIFS: Gracefully handle QueryInfo errors during open
CIFS: Force reval dentry if LOOKUP_REVAL flag is set
kernel/sysctl.c: do not override max_threads provided by userspace
arm64: capabilities: Handle sign of the feature bit
arm64: Rename cpuid_feature field extract routines
Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc
cifs: Check uniqueid for SMB2+ and return -ESTALE if necessary
CIFS: Force revalidate inode when dentry is stale
media: stkwebcam: fix runtime PM after driver unbind
tracing: Get trace_array reference for available_tracers files
x86/asm: Fix MWAITX C-state hint value
xfs: clear sb->s_fs_info on mount failure
Linux 4.4.197
Change-Id: I0879b08629040431c71dae0d8b5474863d5e0391
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit f88eb7c0d002a67ef31aeb7850b42ff69abc46dc upstream.
We currently don't validate the beacon head, i.e. the header,
fixed part and elements that are to go in front of the TIM
element. This means that the variable elements there can be
malformed, e.g. have a length exceeding the buffer size, but
most downstream code from this assumes that this has already
been checked.
Add the necessary checks to the netlink policy.
Cc: stable@vger.kernel.org
Fixes: ed1b6cc7f80f ("cfg80211/nl80211: add beacon settings")
Link: https://lore.kernel.org/r/1569009255-I7ac7fbe9436e9d8733439eab8acbbd35e55c74ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f43e5210c739fe76a4b0ed851559d6902f20ceb1 upstream.
In a few places we don't properly initialize on-stack chandefs,
resulting in EDMG data to be non-zero, which broke things.
Additionally, in a few places we rely on the driver to init the
data completely, but perhaps we shouldn't as non-EDMG drivers
may not initialize the EDMG data, also initialize it there.
Cc: stable@vger.kernel.org
Fixes: 2a38075cd0be ("nl80211: Add support for EDMG channels")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/1569239475-I2dcce394ecf873376c386a78f31c2ec8b538fa25@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-736005d
Linux 4.4.196
NFC: fix attrs checks in netlink interface
smack: use GFP_NOFS while holding inode_smack::smk_lock
Smack: Don't ignore other bprm->unsafe flags if LSM_UNSAFE_PTRACE is set
sch_cbq: validate TCA_CBQ_WRROPT to avoid crash
net/rds: Fix error handling in rds_ib_add_one()
xen-netfront: do not use ~0U as error return value for xennet_fill_frags()
sch_dsmark: fix potential NULL deref in dsmark_init()
nfc: fix memory leak in llcp_sock_bind()
net: qlogic: Fix memory leak in ql_alloc_large_buffers
net: ipv4: avoid mixed n_redirects and rate_tokens usage
ipv6: drop incoming packets having a v4mapped source address
hso: fix NULL-deref on tty open
ANDROID: binder: synchronize_rcu() when using POLLFREE.
ANDROID: binder: remove waitqueue when thread exits.
kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K
ocfs2: wait for recovering done after direct unlock request
hypfs: Fix error number left in struct pointer member
fat: work around race with userspace's read via blockdev while mounting
security: smack: Fix possible null-pointer dereferences in smack_socket_sock_rcv_skb()
HID: apple: Fix stuck function keys when using FN
ARM: 8898/1: mm: Don't treat faults reported from cache maintenance as writes
mfd: intel-lpss: Remove D3cold delay
scsi: core: Reduce memory required for SCSI logging
powerpc/pseries: correctly track irq state in default idle
powerpc/64s/exception: machine check use correct cfar for late handler
vfio_pci: Restore original state on release
pinctrl: tegra: Fix write barrier placement in pmx_writel
powerpc/pseries/mobility: use cond_resched when updating device tree
powerpc/futex: Fix warning: 'oldval' may be used uninitialized in this function
powerpc/rtas: use device model APIs and serialization during LPM
clk: sirf: Don't reference clk_init_data after registration
clk: qoriq: Fix -Wunused-const-variable
ipmi_si: Only schedule continuously in the thread in maintenance mode
gpu: drm: radeon: Fix a possible null-pointer dereference in radeon_connector_set_property()
video: ssd1307fb: Start page range at page_offset
Change-Id: If2b47b65954e56510e7a8b963a7110ebc9a4f1cc
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.196
video: ssd1307fb: Start page range at page_offset
gpu: drm: radeon: Fix a possible null-pointer dereference in radeon_connector_set_property()
ipmi_si: Only schedule continuously in the thread in maintenance mode
clk: qoriq: Fix -Wunused-const-variable
clk: sirf: Don't reference clk_init_data after registration
powerpc/rtas: use device model APIs and serialization during LPM
powerpc/futex: Fix warning: 'oldval' may be used uninitialized in this function
powerpc/pseries/mobility: use cond_resched when updating device tree
pinctrl: tegra: Fix write barrier placement in pmx_writel
vfio_pci: Restore original state on release
powerpc/64s/exception: machine check use correct cfar for late handler
powerpc/pseries: correctly track irq state in default idle
scsi: core: Reduce memory required for SCSI logging
mfd: intel-lpss: Remove D3cold delay
ARM: 8898/1: mm: Don't treat faults reported from cache maintenance as writes
HID: apple: Fix stuck function keys when using FN
security: smack: Fix possible null-pointer dereferences in smack_socket_sock_rcv_skb()
fat: work around race with userspace's read via blockdev while mounting
hypfs: Fix error number left in struct pointer member
ocfs2: wait for recovering done after direct unlock request
kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K
ANDROID: binder: remove waitqueue when thread exits.
ANDROID: binder: synchronize_rcu() when using POLLFREE.
hso: fix NULL-deref on tty open
ipv6: drop incoming packets having a v4mapped source address
net: ipv4: avoid mixed n_redirects and rate_tokens usage
net: qlogic: Fix memory leak in ql_alloc_large_buffers
nfc: fix memory leak in llcp_sock_bind()
sch_dsmark: fix potential NULL deref in dsmark_init()
xen-netfront: do not use ~0U as error return value for xennet_fill_frags()
net/rds: Fix error handling in rds_ib_add_one()
sch_cbq: validate TCA_CBQ_WRROPT to avoid crash
Smack: Don't ignore other bprm->unsafe flags if LSM_UNSAFE_PTRACE is set
smack: use GFP_NOFS while holding inode_smack::smk_lock
NFC: fix attrs checks in netlink interface
Linux 4.4.196
Change-Id: I7e03bb3ca1865988df014b8e38336b76430842a9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 18917d51472fe3b126a3a8f756c6b18085eb8130 upstream.
nfc_genl_deactivate_target() relies on the NFC_ATTR_TARGET_INDEX
attribute being present, but doesn't check whether it is actually
provided by the user. Same goes for nfc_genl_fw_download() and
NFC_ATTR_FIRMWARE_NAME.
This patch adds appropriate checks.
Found with syzkaller.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e9789c7cc182484fc031fd88097eb14cb26c4596 ]
syzbot reported a crash in cbq_normalize_quanta() caused
by an out of range cl->priority.
iproute2 enforces this check, but malicious users do not.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN PTI
Modules linked in:
CPU: 1 PID: 26447 Comm: syz-executor.1 Not tainted 5.3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cbq_normalize_quanta.part.0+0x1fd/0x430 net/sched/sch_cbq.c:902
RSP: 0018:ffff8801a5c333b0 EFLAGS: 00010206
RAX: 0000000020000003 RBX: 00000000fffffff8 RCX: ffffc9000712f000
RDX: 00000000000043bf RSI: ffffffff83be8962 RDI: 0000000100000018
RBP: ffff8801a5c33420 R08: 000000000000003a R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000002ef
R13: ffff88018da95188 R14: dffffc0000000000 R15: 0000000000000015
FS: 00007f37d26b1700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004c7cec CR3: 00000001bcd0a006 CR4: 00000000001626f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffff83be9d57>] cbq_normalize_quanta include/net/pkt_sched.h:27 [inline]
[<ffffffff83be9d57>] cbq_addprio net/sched/sch_cbq.c:1097 [inline]
[<ffffffff83be9d57>] cbq_set_wrr+0x2d7/0x450 net/sched/sch_cbq.c:1115
[<ffffffff83bee8a7>] cbq_change_class+0x987/0x225b net/sched/sch_cbq.c:1537
[<ffffffff83b96985>] tc_ctl_tclass+0x555/0xcd0 net/sched/sch_api.c:2329
[<ffffffff83a84655>] rtnetlink_rcv_msg+0x485/0xc10 net/core/rtnetlink.c:5248
[<ffffffff83cadf0a>] netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2510
[<ffffffff83a7db6d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5266
[<ffffffff83cac2c6>] netlink_unicast_kernel net/netlink/af_netlink.c:1324 [inline]
[<ffffffff83cac2c6>] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1350
[<ffffffff83cacd4a>] netlink_sendmsg+0x89a/0xd50 net/netlink/af_netlink.c:1939
[<ffffffff8399d46e>] sock_sendmsg_nosec net/socket.c:673 [inline]
[<ffffffff8399d46e>] sock_sendmsg+0x12e/0x170 net/socket.c:684
[<ffffffff8399f1fd>] ___sys_sendmsg+0x81d/0x960 net/socket.c:2359
[<ffffffff839a2d05>] __sys_sendmsg+0x105/0x1d0 net/socket.c:2397
[<ffffffff839a2df9>] SYSC_sendmsg net/socket.c:2406 [inline]
[<ffffffff839a2df9>] SyS_sendmsg+0x29/0x30 net/socket.c:2404
[<ffffffff8101ccc8>] do_syscall_64+0x528/0x770 arch/x86/entry/common.c:305
[<ffffffff84400091>] entry_SYSCALL_64_after_hwframe+0x42/0xb7
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d64bf89a75b65f83f06be9fb8f978e60d53752db ]
rds_ibdev:ipaddr_list and rds_ibdev:conn_list are initialized
after allocation some resources such as protection domain.
If allocation of such resources fail, then these uninitialized
variables are accessed in rds_ib_dev_free() in failure path. This
can potentially crash the system. The code has been updated to
initialize these variables very early in the function.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Sudhakar Dindukurti <sudhakar.dindukurti@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 474f0813a3002cb299bb73a5a93aa1f537a80ca8 ]
Make sure TCA_DSMARK_INDICES was provided by the user.
syzbot reported :
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8799 Comm: syz-executor235 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nla_get_u16 include/net/netlink.h:1501 [inline]
RIP: 0010:dsmark_init net/sched/sch_dsmark.c:364 [inline]
RIP: 0010:dsmark_init+0x193/0x640 net/sched/sch_dsmark.c:339
Code: 85 db 58 0f 88 7d 03 00 00 e8 e9 1a ac fb 48 8b 9d 70 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 ca
RSP: 0018:ffff88809426f3b8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85c6eb09
RDX: 0000000000000000 RSI: ffffffff85c6eb17 RDI: 0000000000000004
RBP: ffff88809426f4b0 R08: ffff88808c4085c0 R09: ffffed1015d26159
R10: ffffed1015d26158 R11: ffff8880ae930ac7 R12: ffff8880a7e96940
R13: dffffc0000000000 R14: ffff88809426f8c0 R15: 0000000000000000
FS: 0000000001292880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 000000008ca1b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
qdisc_create+0x4ee/0x1210 net/sched/sch_api.c:1237
tc_modify_qdisc+0x524/0x1c50 net/sched/sch_api.c:1653
rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5223
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:637 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:657
___sys_sendmsg+0x803/0x920 net/socket.c:2311
__sys_sendmsg+0x105/0x1d0 net/socket.c:2356
__do_sys_sendmsg net/socket.c:2365 [inline]
__se_sys_sendmsg net/socket.c:2363 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363
do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440369
Fixes: 758cc43c6d73 ("[PKT_SCHED]: Fix dsmark to apply changes consistent")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a0c2dc1fe63e2869b74c1c7f6a81d1745c8a695d ]
sysbot reported a memory leak after a bind() has failed.
While we are at it, abort the operation if kmemdup() has failed.
BUG: memory leak
unreferenced object 0xffff888105d83ec0 (size 32):
comm "syz-executor067", pid 7207, jiffies 4294956228 (age 19.430s)
hex dump (first 32 bytes):
00 69 6c 65 20 72 65 61 64 00 6e 65 74 3a 5b 34 .ile read.net:[4
30 32 36 35 33 33 30 39 37 5d 00 00 00 00 00 00 026533097]......
backtrace:
[<0000000036bac473>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline]
[<0000000036bac473>] slab_post_alloc_hook /mm/slab.h:522 [inline]
[<0000000036bac473>] slab_alloc /mm/slab.c:3319 [inline]
[<0000000036bac473>] __do_kmalloc /mm/slab.c:3653 [inline]
[<0000000036bac473>] __kmalloc_track_caller+0x169/0x2d0 /mm/slab.c:3670
[<000000000cd39d07>] kmemdup+0x27/0x60 /mm/util.c:120
[<000000008e57e5fc>] kmemdup /./include/linux/string.h:432 [inline]
[<000000008e57e5fc>] llcp_sock_bind+0x1b3/0x230 /net/nfc/llcp_sock.c:107
[<000000009cb0b5d3>] __sys_bind+0x11c/0x140 /net/socket.c:1647
[<00000000492c3bbc>] __do_sys_bind /net/socket.c:1658 [inline]
[<00000000492c3bbc>] __se_sys_bind /net/socket.c:1656 [inline]
[<00000000492c3bbc>] __x64_sys_bind+0x1e/0x30 /net/socket.c:1656
[<0000000008704b2a>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296
[<000000009f4c57a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 30cc4587659e ("NFC: Move LLCP code to the NFC top level diirectory")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b406472b5ad79ede8d10077f0c8f05505ace8b6d ]
Since commit c09551c6ff7f ("net: ipv4: use a dedicated counter
for icmp_v4 redirect packets") we use 'n_redirects' to account
for redirect packets, but we still use 'rate_tokens' to compute
the redirect packets exponential backoff.
If the device sent to the relevant peer any ICMP error packet
after sending a redirect, it will also update 'rate_token' according
to the leaking bucket schema; typically 'rate_token' will raise
above BITS_PER_LONG and the redirect packets backoff algorithm
will produce undefined behavior.
Fix the issue using 'n_redirects' to compute the exponential backoff
in ip_rt_send_redirect().
Note that we still clear rate_tokens after a redirect silence period,
to avoid changing an established behaviour.
The root cause predates git history; before the mentioned commit in
the critical scenario, the kernel stopped sending redirects, after
the mentioned commit the behavior more randomic.
Reported-by: Xiumei Mu <xmu@redhat.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Fixes: c09551c6ff7f ("net: ipv4: use a dedicated counter for icmp_v4 redirect packets")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6af1799aaf3f1bc8defedddfa00df3192445bbf3 ]
This began with a syzbot report. syzkaller was injecting
IPv6 TCP SYN packets having a v4mapped source address.
After an unsuccessful 4-tuple lookup, TCP creates a request
socket (SYN_RECV) and calls reqsk_queue_hash_req()
reqsk_queue_hash_req() calls sk_ehashfn(sk)
At this point we have AF_INET6 sockets, and the heuristic
used by sk_ehashfn() to either hash the IPv4 or IPv6 addresses
is to use ipv6_addr_v4mapped(&sk->sk_v6_daddr)
For the particular spoofed packet, we end up hashing V4 addresses
which were not initialized by the TCP IPv6 stack, so KMSAN fired
a warning.
I first fixed sk_ehashfn() to test both source and destination addresses,
but then faced various problems, including user-space programs
like packetdrill that had similar assumptions.
Instead of trying to fix the whole ecosystem, it is better
to admit that we have a dual stack behavior, and that we
can not build linux kernels without V4 stack anyway.
The dual stack API automatically forces the traffic to be IPv4
if v4mapped addresses are used at bind() or connect(), so it makes
no sense to allow IPv6 traffic to use the same v4mapped class.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-4af3204
Linux 4.4.195
Btrfs: fix race setting up and completing qgroup rescan workers
btrfs: Relinquish CPUs in btrfs_compare_trees
Btrfs: fix use-after-free when using the tree modification log
ovl: filter of trusted xattr results in audit
CIFS: Fix oplock handling for SMB 2.1+ protocols
i2c: riic: Clear NACK in tend isr
hwrng: core - don't wait on add_early_randomness()
quota: fix wrong condition in is_quota_modification()
ext4: fix punch hole for inline_data file systems
/dev/mem: Bail out upon SIGKILL.
cfg80211: Purge frame registrations on iftype change
md/raid6: Set R5_ReadError when there is read failure on parity disk
alarmtimer: Use EOPNOTSUPP instead of ENOTSUPP
ARM: zynq: Use memcpy_toio instead of memcpy on smp bring-up
ASoC: Intel: Fix use of potentially uninitialized variable
media: sn9c20x: Add MSI MS-1039 laptop to flip_dmi_table
KVM: x86: Manually calculate reserved bits when loading PDPTRS
KVM: x86: set ctxt->have_exception in x86_decode_insn()
KVM: x86: always stop emulation on page fault
parisc: Disable HP HSC-PCI Cards to prevent kernel crash
fuse: fix missing unlock_page in fuse_writepage()
printk: Do not lose last line in kmsg buffer dump
ALSA: firewire-tascam: check intermediate state of clock status and retry
ALSA: firewire-tascam: handle error code when getting current source of clock
media: omap3isp: Set device on omap3isp subdevs
btrfs: extent-tree: Make sure we only allocate extents from block groups with the same type
ALSA: hda/realtek - Blacklist PC beep for Lenovo ThinkCentre M73/93
media: ttusb-dec: Fix info-leak in ttusb_dec_send_command()
libertas: Add missing sentinel at end of if_usb.c fw_table
mmc: sdhci: Fix incorrect switch to HS mode
ASoC: dmaengine: Make the pcm->name equal to pcm->id if the name is not set
kprobes: Prohibit probing on BUG() and WARN() address
dmaengine: ti: edma: Do not reset reserved paRAM slots
md/raid1: fail run raid1 array when active disk less than one
hwmon: (acpi_power_meter) Change log level for 'unsafe software power cap'
ACPI: custom_method: fix memory leaks
libtraceevent: Change users plugin directory
ACPI / CPPC: do not require the _PSD method
media: ov9650: add a sanity check
media: saa7134: fix terminology around saa7134_i2c_eeprom_md7134_gate()
media: cpia2_usb: fix memory leaks
media: saa7146: add cleanup in hexium_attach()
media: hdpvr: add terminating 0 at end of string
media: radio/si470x: kill urb on error
net: lpc-enet: fix printk format strings
media: omap3isp: Don't set streaming state on random subdevs
dmaengine: iop-adma: use correct printk format strings
media: gspca: zero usb_buf on error
efi: cper: print AER info of PCIe fatal error
md: don't set In_sync if array is frozen
md: don't call spare_active in md_reap_sync_thread if all member devices can't work
ia64:unwind: fix double free for mod->arch.init_unw_table
ALSA: usb-audio: Skip bSynchAddress endpoint check if it is invalid
base: soc: Export soc_device_register/unregister APIs
media: iguanair: add sanity checks
ALSA: i2c: ak4xxx-adda: Fix a possible null pointer dereference in build_adc_controls()
ALSA: hda - Show the fatal CORB/RIRB error more clearly
x86/apic: Soft disable APIC before initializing it
x86/reboot: Always use NMI fallback when shutdown via reboot vector IPI fails
sched/core: Fix CPU controller for !RT_GROUP_SCHED
sched/fair: Fix imbalance due to CPU affinity
media: hdpvr: Add device num check and handling
media: dib0700: fix link error for dibx000_i2c_set_speed
leds: leds-lp5562 allow firmware files up to the maximum length
dmaengine: bcm2835: Print error in case setting DMA mask fails
ASoC: sgtl5000: Fix charge pump source assignment
ALSA: hda: Flush interrupts on disabling
nfc: enforce CAP_NET_RAW for raw sockets
ieee802154: enforce CAP_NET_RAW for raw sockets
ax25: enforce CAP_NET_RAW for raw sockets
appletalk: enforce CAP_NET_RAW for raw sockets
mISDN: enforce CAP_NET_RAW for raw sockets
usbnet: sanity checking of packet sizes and device mtu
usbnet: ignore endpoints with invalid wMaxPacketSize
skge: fix checksum byte order
sch_netem: fix a divide by zero in tabledist()
openvswitch: change type of UPCALL_PID attribute to NLA_UNSPEC
net/phy: fix DP83865 10 Mbps HDX loopback disable function
cdc_ncm: fix divide-by-zero caused by invalid wMaxPacketSize
arcnet: provide a buffer big enough to actually receive packets
Bluetooth: btrtl: Additional Realtek 8822CE Bluetooth devices
drm: Flush output polling on shutdown
f2fs: fix to do sanity check on segment bitmap of LFS curseg
Revert "f2fs: avoid out-of-range memory access"
f2fs: check all the data segments against all node ones
irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices
locking/lockdep: Add debug_locks check in __lock_downgrade()
mac80211: handle deauthentication/disassociation from TDLS peer
mac80211: Print text for disassociation reason
ALSA: hda - Add laptop imic fixup for ASUS M9V laptop
ASoC: fsl: Fix of-node refcount unbalance in fsl_ssi_probe_from_dt()
net: rds: Fix NULL ptr use in rds_tcp_kill_sock
crypto: talitos - fix missing break in switch statement
mtd: cfi_cmdset_0002: Use chip_good() to retry in do_write_oneword()
HID: hidraw: Fix invalid read in hidraw_ioctl
HID: logitech: Fix general protection fault caused by Logitech driver
HID: lg: make transfer buffers DMA capable
HID: prodikeys: Fix general protection fault during probe
Revert "Bluetooth: validate BLE connection interval updates"
ANDROID: usb: gadget: Fix dependency for f_accessory
Remove taskname from lowmemorykiller kill reports
ANDROID: Fixes to locking around handle_lmk_event
Conflicts:
drivers/staging/android/lowmemorykiller.c
fs/f2fs/segment.c
fs/f2fs/super.c
Change-Id: Id4b74ec2b0512aa13bc4392d61d5092f633fed0e
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.195
Revert "Bluetooth: validate BLE connection interval updates"
HID: prodikeys: Fix general protection fault during probe
HID: lg: make transfer buffers DMA capable
HID: logitech: Fix general protection fault caused by Logitech driver
HID: hidraw: Fix invalid read in hidraw_ioctl
mtd: cfi_cmdset_0002: Use chip_good() to retry in do_write_oneword()
crypto: talitos - fix missing break in switch statement
net: rds: Fix NULL ptr use in rds_tcp_kill_sock
ASoC: fsl: Fix of-node refcount unbalance in fsl_ssi_probe_from_dt()
ALSA: hda - Add laptop imic fixup for ASUS M9V laptop
mac80211: Print text for disassociation reason
mac80211: handle deauthentication/disassociation from TDLS peer
locking/lockdep: Add debug_locks check in __lock_downgrade()
irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices
f2fs: check all the data segments against all node ones
Revert "f2fs: avoid out-of-range memory access"
f2fs: fix to do sanity check on segment bitmap of LFS curseg
drm: Flush output polling on shutdown
Bluetooth: btrtl: Additional Realtek 8822CE Bluetooth devices
arcnet: provide a buffer big enough to actually receive packets
cdc_ncm: fix divide-by-zero caused by invalid wMaxPacketSize
net/phy: fix DP83865 10 Mbps HDX loopback disable function
openvswitch: change type of UPCALL_PID attribute to NLA_UNSPEC
sch_netem: fix a divide by zero in tabledist()
skge: fix checksum byte order
usbnet: ignore endpoints with invalid wMaxPacketSize
usbnet: sanity checking of packet sizes and device mtu
mISDN: enforce CAP_NET_RAW for raw sockets
appletalk: enforce CAP_NET_RAW for raw sockets
ax25: enforce CAP_NET_RAW for raw sockets
ieee802154: enforce CAP_NET_RAW for raw sockets
nfc: enforce CAP_NET_RAW for raw sockets
ALSA: hda: Flush interrupts on disabling
ASoC: sgtl5000: Fix charge pump source assignment
dmaengine: bcm2835: Print error in case setting DMA mask fails
leds: leds-lp5562 allow firmware files up to the maximum length
media: dib0700: fix link error for dibx000_i2c_set_speed
media: hdpvr: Add device num check and handling
sched/fair: Fix imbalance due to CPU affinity
sched/core: Fix CPU controller for !RT_GROUP_SCHED
x86/reboot: Always use NMI fallback when shutdown via reboot vector IPI fails
x86/apic: Soft disable APIC before initializing it
ALSA: hda - Show the fatal CORB/RIRB error more clearly
ALSA: i2c: ak4xxx-adda: Fix a possible null pointer dereference in build_adc_controls()
media: iguanair: add sanity checks
base: soc: Export soc_device_register/unregister APIs
ALSA: usb-audio: Skip bSynchAddress endpoint check if it is invalid
ia64:unwind: fix double free for mod->arch.init_unw_table
md: don't call spare_active in md_reap_sync_thread if all member devices can't work
md: don't set In_sync if array is frozen
efi: cper: print AER info of PCIe fatal error
media: gspca: zero usb_buf on error
dmaengine: iop-adma: use correct printk format strings
media: omap3isp: Don't set streaming state on random subdevs
net: lpc-enet: fix printk format strings
media: radio/si470x: kill urb on error
media: hdpvr: add terminating 0 at end of string
media: saa7146: add cleanup in hexium_attach()
media: cpia2_usb: fix memory leaks
media: saa7134: fix terminology around saa7134_i2c_eeprom_md7134_gate()
media: ov9650: add a sanity check
ACPI / CPPC: do not require the _PSD method
libtraceevent: Change users plugin directory
ACPI: custom_method: fix memory leaks
hwmon: (acpi_power_meter) Change log level for 'unsafe software power cap'
md/raid1: fail run raid1 array when active disk less than one
dmaengine: ti: edma: Do not reset reserved paRAM slots
kprobes: Prohibit probing on BUG() and WARN() address
ASoC: dmaengine: Make the pcm->name equal to pcm->id if the name is not set
mmc: sdhci: Fix incorrect switch to HS mode
libertas: Add missing sentinel at end of if_usb.c fw_table
media: ttusb-dec: Fix info-leak in ttusb_dec_send_command()
ALSA: hda/realtek - Blacklist PC beep for Lenovo ThinkCentre M73/93
btrfs: extent-tree: Make sure we only allocate extents from block groups with the same type
media: omap3isp: Set device on omap3isp subdevs
ALSA: firewire-tascam: handle error code when getting current source of clock
ALSA: firewire-tascam: check intermediate state of clock status and retry
printk: Do not lose last line in kmsg buffer dump
fuse: fix missing unlock_page in fuse_writepage()
parisc: Disable HP HSC-PCI Cards to prevent kernel crash
KVM: x86: always stop emulation on page fault
KVM: x86: set ctxt->have_exception in x86_decode_insn()
KVM: x86: Manually calculate reserved bits when loading PDPTRS
media: sn9c20x: Add MSI MS-1039 laptop to flip_dmi_table
ASoC: Intel: Fix use of potentially uninitialized variable
ARM: zynq: Use memcpy_toio instead of memcpy on smp bring-up
alarmtimer: Use EOPNOTSUPP instead of ENOTSUPP
md/raid6: Set R5_ReadError when there is read failure on parity disk
cfg80211: Purge frame registrations on iftype change
/dev/mem: Bail out upon SIGKILL.
ext4: fix punch hole for inline_data file systems
quota: fix wrong condition in is_quota_modification()
hwrng: core - don't wait on add_early_randomness()
i2c: riic: Clear NACK in tend isr
CIFS: Fix oplock handling for SMB 2.1+ protocols
ovl: filter of trusted xattr results in audit
Btrfs: fix use-after-free when using the tree modification log
btrfs: Relinquish CPUs in btrfs_compare_trees
Btrfs: fix race setting up and completing qgroup rescan workers
Linux 4.4.195
Change-Id: I0a333f55c8fd4273b37044e4e4e89ac1fb0fad1a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit c1d3ad84eae35414b6b334790048406bd6301b12 upstream.
Currently frame registrations are not purged, even when changing the
interface type. This can lead to potentially weird situations where
frames possibly not allowed on a given interface type remain registered
due to the type switching happening after registration.
The kernel currently relies on userspace apps to actually purge the
registrations themselves, this is not something that the kernel should
rely on.
Add a call to cfg80211_mlme_purge_registrations() to forcefully remove
any registrations left over prior to switching the iftype.
Cc: stable@vger.kernel.org
Signed-off-by: Denis Kenzior <denkenz@gmail.com>
Link: https://lore.kernel.org/r/20190828211110.15005-1-denkenz@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3a359798b176183ef09efb7a3dc59abad1cc7104 ]
When creating a raw AF_NFC socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e69dbd4619e7674c1679cba49afd9dd9ac347eef ]
When creating a raw AF_IEEE802154 socket, CAP_NET_RAW needs to be
checked first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0614e2b73768b502fc32a75349823356d98aae2c ]
When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6cc03e8aa36c51f3b26a0d21a3c4ce2809c842ac ]
When creating a raw AF_APPLETALK socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b41d936b5ecfdb3a4abc525ce6402a6c49cffddc ]
syzbot managed to crash the kernel in tabledist() loading
an empty distribution table.
t = dist->table[rnd % dist->size];
Simply return an error when such load is attempted.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ea8564c865299815095bebeb4b25bef474218e4c ]
userspace openvswitch patch "(dpif-linux: Implement the API
functions to allow multiple handler threads read upcall)"
changes its type from U32 to UNSPEC, but leave the kernel
unchanged
and after kernel 6e237d099fac "(netlink: Relax attr validation
for fixed length types)", this bug is exposed by the below
warning
[ 57.215841] netlink: 'ovs-vswitchd': attribute type 5 has an invalid length.
Fixes: 5cd667b0a456 ("openvswitch: Allow each vport to have an array of 'port_id's")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 79c92ca42b5a3e0ea172ea2ce8df8e125af237da ]
When receiving a deauthentication/disassociation frame from a TDLS
peer, a station should not disconnect the current AP, but only
disable the current TDLS link if it's enabled.
Without this change, a TDLS issue can be reproduced by following the
steps as below:
1. STA-1 and STA-2 are connected to AP, bidirection traffic is running
between STA-1 and STA-2.
2. Set up TDLS link between STA-1 and STA-2, stay for a while, then
teardown TDLS link.
3. Repeat step #2 and monitor the connection between STA and AP.
During the test, one STA may send a deauthentication/disassociation
frame to another, after TDLS teardown, with reason code 6/7, which
means: Class 2/3 frame received from nonassociated STA.
On receive this frame, the receiver STA will disconnect the current
AP and then reconnect. It's not a expected behavior, purpose of this
frame should be disabling the TDLS link, not the link with AP.
Cc: stable@vger.kernel.org
Signed-off-by: Yu Wang <yyuwang@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 68506e9af132a6b5735c1dd4b11240da0cf5eeae ]
When disassociation happens only numeric reason is printed
in ieee80211_rx_mgmt_disassoc(). Add text variant, too.
Signed-off-by: Arkadiusz Miśkiewicz <arekm@maven.pl>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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After the commit c4e97b06cfdc ("net: rds: force to destroy
connection if t_sock is NULL in rds_tcp_kill_sock()."),
it introduced null-ptr-deref in rds_tcp_kill_sock as below:
BUG: KASAN: null-ptr-deref on address 0000000000000020
Read of size 8 by task kworker/u16:10/910
CPU: 3 PID: 910 Comm: kworker/u16:10 Not tainted 4.4.178+ #3
Hardware name: linux,dummy-virt (DT)
Workqueue: netns cleanup_net
Call trace:
[<ffffff90080abb50>] dump_backtrace+0x0/0x618
[<ffffff90080ac1a0>] show_stack+0x38/0x60
[<ffffff9008c42b78>] dump_stack+0x1a8/0x230
[<ffffff90085d469c>] kasan_report_error+0xc8c/0xfc0
[<ffffff90085d54a4>] kasan_report+0x94/0xd8
[<ffffff90085d1b28>] __asan_load8+0x88/0x150
[<ffffff9009c9cc2c>] rds_tcp_dev_event+0x734/0xb48
[<ffffff90081eacb0>] raw_notifier_call_chain+0x150/0x1e8
[<ffffff900973fec0>] call_netdevice_notifiers_info+0x90/0x110
[<ffffff9009764874>] netdev_run_todo+0x2f4/0xb08
[<ffffff9009796d34>] rtnl_unlock+0x2c/0x48
[<ffffff9009756484>] default_device_exit_batch+0x444/0x528
[<ffffff9009720498>] ops_exit_list+0x1c0/0x240
[<ffffff9009724a80>] cleanup_net+0x738/0xbf8
[<ffffff90081ca6cc>] process_one_work+0x96c/0x13e0
[<ffffff90081cf370>] worker_thread+0x7e0/0x1910
[<ffffff90081e7174>] kthread+0x304/0x390
[<ffffff9008094280>] ret_from_fork+0x10/0x50
If the first loop add the tc->t_sock = NULL to the tmp_list,
1). list_for_each_entry_safe(tc, _tc, &rds_tcp_conn_list, t_tcp_node)
then the second loop is to find connections to destroy, tc->t_sock
might equal NULL, and tc->t_sock->sk happens null-ptr-deref.
2). list_for_each_entry_safe(tc, _tc, &tmp_list, t_tcp_node)
Fixes: c4e97b06cfdc ("net: rds: force to destroy connection if t_sock is NULL in rds_tcp_kill_sock().")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 68d19d7d995759b96169da5aac313363f92a9075 ]
This reverts commit c49a8682fc5d298d44e8d911f4fa14690ea9485e.
There are devices which require low connection intervals for usable operation
including keyboards and mice. Forcing a static connection interval for
these types of devices has an impact in latency and causes a regression.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.194
bridge/mdb: remove wrong use of NLM_F_MULTI
cdc_ether: fix rndis support for Mediatek based smartphones
ipv6: Fix the link time qualifier of 'ping_v6_proc_exit_net()'
isdn/capi: check message length in capi_write()
net: Fix null de-reference of device refcount
sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
sctp: Fix the link time qualifier of 'sctp_ctrlsock_exit()'
sctp: use transport pf_retrans in sctp_do_8_2_transport_strike
tcp: fix tcp_ecn_withdraw_cwr() to clear TCP_ECN_QUEUE_CWR
tipc: add NULL pointer check before calling kfree_rcu
tun: fix use-after-free when register netdev failed
Revert "MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur"
Btrfs: fix assertion failure during fsync and use of stale transaction
genirq: Prevent NULL pointer dereference in resend_irqs()
KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl
KVM: x86: work around leak of uninitialized stack contents
KVM: nVMX: handle page fault in vmread
MIPS: VDSO: Prevent use of smp_processor_id()
MIPS: VDSO: Use same -m%-float cflag as the kernel proper
clk: rockchip: Don't yell about bad mmc phases when getting
driver core: Fix use-after-free and double free on glue directory
crypto: talitos - check AES key size
crypto: talitos - check data blocksize in ablkcipher.
x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning
MIPS: netlogic: xlr: Remove erroneous check in nlm_fmn_send()
ARC: configs: Remove CONFIG_INITRAMFS_SOURCE from defconfigs
USB: usbcore: Fix slab-out-of-bounds bug during device reset
media: tm6000: double free if usb disconnect while streaming
x86/boot: Add missing bootparam that breaks boot on some platforms
xen-netfront: do not assume sk_buff_head list is empty in error handling
KVM: coalesced_mmio: add bounds checking
serial: sprd: correct the wrong sequence of arguments
tty/serial: atmel: reschedule TX after RX was started
mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings
s390/bpf: fix lcgr instruction encoding
ARM: OMAP2+: Fix omap4 errata warning on other SoCs
s390/bpf: use 32-bit index for tail calls
NFSv4: Fix return values for nfs4_file_open()
NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup
Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105
ARM: 8874/1: mm: only adjust sections of valid mm structures
r8152: Set memory to all 0xFFs on failed reg reads
x86/apic: Fix arch_dynirq_lower_bound() bug for DT enabled machines
netfilter: nf_conntrack_ftp: Fix debug output
NFSv2: Fix eof handling
NFSv2: Fix write regression
cifs: set domainName when a domain-key is used in multiuser
cifs: Use kzfree() to zero out the password
sky2: Disable MSI on yet another ASUS boards (P6Xxxx)
tools/power turbostat: fix buffer overrun
net: seeq: Fix the function used to release some memory in an error handling path
dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe()
keys: Fix missing null pointer check in request_key_auth_describe()
floppy: fix usercopy direction
media: technisat-usb2: break out of loop at end of buffer
ARC: export "abort" for modules
net_sched: let qdisc_put() accept NULL pointer
Linux 4.4.194
Change-Id: I680ac71d33ab7a4fd239de6333ea5b76376521b6
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Changes in 4.4.193
ALSA: hda - Fix potential endless loop at applying quirks
ALSA: hda/realtek - Fix overridden device-specific initialization
xfrm: clean up xfrm protocol checks
vhost/test: fix build for vhost test
scripts/decode_stacktrace: match basepath using shell prefix operator, not regex
clk: s2mps11: Add used attribute to s2mps11_dt_match
x86, boot: Remove multiple copy of static function sanitize_boot_params()
af_packet: tone down the Tx-ring unsupported spew.
vhost: make sure log_num < in_num
Linux 4.4.193
Change-Id: If2283bf8bc29f3deaf1c047c8ec9e502fbdf0521
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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