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commit 1f2cac107c591c24b60b115d6050adc213d10fc0 upstream.
sg.c calls into the blktrace functions without holding the proper queue
mutex for doing setup, start/stop, or teardown.
Add internal unlocked variants, and export the ones that do the proper
locking.
Fixes: 6da127ad0918 ("blktrace: Add blktrace ioctls to SCSI generic devices")
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5acb3cc2c2e9d3020a4fee43763c6463767f1572 upstream.
The lockdep code had reported the following unsafe locking scenario:
CPU0 CPU1
---- ----
lock(s_active#228);
lock(&bdev->bd_mutex/1);
lock(s_active#228);
lock(&bdev->bd_mutex);
*** DEADLOCK ***
The deadlock may happen when one task (CPU1) is trying to delete a
partition in a block device and another task (CPU0) is accessing
tracing sysfs file (e.g. /sys/block/dm-1/trace/act_mask) in that
partition.
The s_active isn't an actual lock. It is a reference count (kn->count)
on the sysfs (kernfs) file. Removal of a sysfs file, however, require
a wait until all the references are gone. The reference count is
treated like a rwsem using lockdep instrumentation code.
The fact that a thread is in the sysfs callback method or in the
ioctl call means there is a reference to the opended sysfs or device
file. That should prevent the underlying block structure from being
removed.
Instead of using bd_mutex in the block_device structure, a new
blk_trace_mutex is now added to the request_queue structure to protect
access to the blk_trace structure.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Fix typo in patch subject line, and prune a comment detailing how
the code used to work.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6c8991f41546c3c472503dff1ea9daaddf9331c2 upstream.
ipv6_stub uses the ip6_dst_lookup function to allow other modules to
perform IPv6 lookups. However, this function skips the XFRM layer
entirely.
All users of ipv6_stub->ip6_dst_lookup use ip_route_output_flow (via the
ip_route_output_key and ip_route_output helpers) for their IPv4 lookups,
which calls xfrm_lookup_route(). This patch fixes this inconsistent
behavior by switching the stub to ip6_dst_lookup_flow, which also calls
xfrm_lookup_route().
This requires some changes in all the callers, as these two functions
take different arguments and have different return types.
Fixes: 5f81bd2e5d80 ("ipv6: export a stub for IPv6 symbols used by vxlan")
Reported-by: Xiumei Mu <xmu@redhat.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 4.4:
- Drop changes in lwt_bpf.c, mlx5, and rxe
- Adjust filename, context, indentation]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c4e85f73afb6384123e5ef1bba3315b2e3ad031e upstream.
This will be used in the conversion of ipv6_stub to ip6_dst_lookup_flow,
as some modules currently pass a net argument without a socket to
ip6_dst_lookup. This is equivalent to commit 343d60aada5a ("ipv6: change
ipv6_stub_impl.ipv6_dst_lookup to take net argument").
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 4.4: adjust context]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit af133ade9a40794a37104ecbcc2827c0ea373a3c upstream.
When journal size is set too big by "mkfs.ext4 -J size=", or when
we mount a crafted image to make journal inode->i_size too big,
the loop, "while (i < num)", holds cpu too long. This could cause
soft lockup.
[ 529.357541] Call trace:
[ 529.357551] dump_backtrace+0x0/0x198
[ 529.357555] show_stack+0x24/0x30
[ 529.357562] dump_stack+0xa4/0xcc
[ 529.357568] watchdog_timer_fn+0x300/0x3e8
[ 529.357574] __hrtimer_run_queues+0x114/0x358
[ 529.357576] hrtimer_interrupt+0x104/0x2d8
[ 529.357580] arch_timer_handler_virt+0x38/0x58
[ 529.357584] handle_percpu_devid_irq+0x90/0x248
[ 529.357588] generic_handle_irq+0x34/0x50
[ 529.357590] __handle_domain_irq+0x68/0xc0
[ 529.357593] gic_handle_irq+0x6c/0x150
[ 529.357595] el1_irq+0xb8/0x140
[ 529.357599] __ll_sc_atomic_add_return_acquire+0x14/0x20
[ 529.357668] ext4_map_blocks+0x64/0x5c0 [ext4]
[ 529.357693] ext4_setup_system_zone+0x330/0x458 [ext4]
[ 529.357717] ext4_fill_super+0x2170/0x2ba8 [ext4]
[ 529.357722] mount_bdev+0x1a8/0x1e8
[ 529.357746] ext4_mount+0x44/0x58 [ext4]
[ 529.357748] mount_fs+0x50/0x170
[ 529.357752] vfs_kern_mount.part.9+0x54/0x188
[ 529.357755] do_mount+0x5ac/0xd78
[ 529.357758] ksys_mount+0x9c/0x118
[ 529.357760] __arm64_sys_mount+0x28/0x38
[ 529.357764] el0_svc_common+0x78/0x130
[ 529.357766] el0_svc_handler+0x38/0x78
[ 529.357769] el0_svc+0x8/0xc
[ 541.356516] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [mount:18674]
Link: https://lore.kernel.org/r/20200211011752.29242-1-luoshijie1@huawei.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Shijie Luo <luoshijie1@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7be3cb019db1cbd5fd5ffe6d64a23fefa4b6f229 upstream.
When brk was moved for binaries without an interpreter, it should have
been limited to ET_DYN only. In other words, the special case was an
ET_DYN that lacks an INTERP, not just an executable that lacks INTERP.
The bug manifested for giant static executables, where the brk would end
up in the middle of the text area on 32-bit architectures.
Reported-and-tested-by: Richard Kojedzinszky <richard@kojedz.in>
Fixes: bbdc6076d2e5 ("binfmt_elf: move brk out of mmap when doing direct loader exec")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f5aba91d7f186cba84af966a741a0346de603cd4 ]
At least on ksz8081, when getting back from power down, interrupts are
disabled. ensure they are reenabled if they were previously enabled.
This fixes resuming which is failing on the xplained boards from atmel
since 321beec5047a (net: phy: Use interrupts when available in NOLINK
state)
Fixes: 321beec5047a (net: phy: Use interrupts when available in NOLINK state)
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit e08df079b23e2e982df15aa340bfbaf50f297504 upstream.
If the trapping instruction contains a ':', for a memory access through
segment registers for example, the sed substitution will insert the '*'
marker in the middle of the instruction instead of the line address:
2b: 65 48 0f c7 0f cmpxchg16b %gs:*(%rdi) <-- trapping instruction
I started to think I had forgotten some quirk of the assembly syntax
before noticing that it was actually coming from the script. Fix it to
add the address marker at the right place for these instructions:
28: 49 8b 06 mov (%r14),%rax
2b:* 65 48 0f c7 0f cmpxchg16b %gs:(%rdi) <-- trapping instruction
30: 0f 94 c0 sete %al
Fixes: 18ff44b189e2 ("scripts/decodecode: make faulting insn ptr more robust")
Signed-off-by: Ivan Delalande <colona@arista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20200419223653.GA31248@visor
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit fd0c42c4dea54335967c5a86f15fc064235a2797 upstream.
and change to pseudorandom numbers, as this is a traffic dithering
operation that doesn't need crypto-grade.
The previous code operated in 4 steps:
1. Generate a random byte 0 <= rand_tq <= 255
2. Multiply it by BATADV_TQ_MAX_VALUE - tq
3. Divide by 255 (= BATADV_TQ_MAX_VALUE)
4. Return BATADV_TQ_MAX_VALUE - rand_tq
This would apperar to scale (BATADV_TQ_MAX_VALUE - tq) by a random
value between 0/255 and 255/255.
But! The intermediate value between steps 3 and 4 is stored in a u8
variable. So it's truncated, and most of the time, is less than 255, after
which the division produces 0. Specifically, if tq is odd, the product is
always even, and can never be 255. If tq is even, there's exactly one
random byte value that will produce a product byte of 255.
Thus, the return value is 255 (511/512 of the time) or 254 (1/512
of the time).
If we assume that the truncation is a bug, and the code is meant to scale
the input, a simpler way of looking at it is that it's returning a random
value between tq and BATADV_TQ_MAX_VALUE, inclusive.
Well, we have an optimized function for doing just that.
Fixes: 3c12de9a5c75 ("batman-adv: network coding - code and transmit packets if possible")
Signed-off-by: George Spelvin <lkml@sdf.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e9b3c610a05c1cdf8e959a6d89c38807ff758ee6 upstream.
We must not process packets shorter than a packet ID
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-and-tested-by: syzbot+d29e9263e13ce0b9f4fd@syzkaller.appspotmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9f04db234af691007bb785342a06abab5fb34474 upstream.
This device needs US_FL_NO_REPORT_OPCODES to avoid going
through prolonged error handling on enumeration.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: Julian Groß <julian.g@posteo.de>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200429155218.7308-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 612601d0013f03de9dc134809f242ba6da9ca252 upstream.
commit 9a9b8112699d will cause core to fail UD QP from being destroyed
on ipoib unload, therefore cause resources leakage.
On pkey change event above patch modifies mgid before calling underlying
driver to detach it from QP. Drivers' detach_mcast() will fail to find
modified mgid it was never given to attach in a first place.
Core qp->usecnt will never go down, so ib_destroy_qp() will fail.
IPoIB driver actually does take care of new broadcast mgid based on new
pkey by destroying an old mcast object in ipoib_mcast_dev_flush())
....
if (priv->broadcast) {
rb_erase(&priv->broadcast->rb_node, &priv->multicast_tree);
list_add_tail(&priv->broadcast->list, &remove_list);
priv->broadcast = NULL;
}
...
then in restarted ipoib_macst_join_task() creating a new broadcast mcast
object, sending join request and on completion tells the driver to attach
to reinitialized QP:
...
if (!priv->broadcast) {
...
broadcast = ipoib_mcast_alloc(dev, 0);
...
memcpy(broadcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
sizeof (union ib_gid));
priv->broadcast = broadcast;
...
Fixes: 9a9b8112699d ("IB/ipoib: Update broadcast object if PKey value was changed in index 0")
Cc: stable@vger.kernel.org
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6f6060a5c9cc76fdbc22748264e6aa3779ec2427 upstream.
APM_DO_POP_SEGS does not restore fs/gs which were zeroed by
APM_DO_ZERO_SEGS. Trying to access __preempt_count with
zeroed fs doesn't really work.
Move the ibrs call outside the APM_DO_SAVE_SEGS/APM_DO_RESTORE_SEGS
invocations so that fs is actually restored before calling
preempt_enable().
Fixes the following sort of oopses:
[ 0.313581] general protection fault: 0000 [#1] PREEMPT SMP
[ 0.313803] Modules linked in:
[ 0.314040] CPU: 0 PID: 268 Comm: kapmd Not tainted 4.16.0-rc1-triton-bisect-00090-gdd84441a7971 #19
[ 0.316161] EIP: __apm_bios_call_simple+0xc8/0x170
[ 0.316161] EFLAGS: 00210016 CPU: 0
[ 0.316161] EAX: 00000102 EBX: 00000000 ECX: 00000102 EDX: 00000000
[ 0.316161] ESI: 0000530e EDI: dea95f64 EBP: dea95f18 ESP: dea95ef0
[ 0.316161] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[ 0.316161] CR0: 80050033 CR2: 00000000 CR3: 015d3000 CR4: 000006d0
[ 0.316161] Call Trace:
[ 0.316161] ? cpumask_weight.constprop.15+0x20/0x20
[ 0.316161] on_cpu0+0x44/0x70
[ 0.316161] apm+0x54e/0x720
[ 0.316161] ? __switch_to_asm+0x26/0x40
[ 0.316161] ? __schedule+0x17d/0x590
[ 0.316161] kthread+0xc0/0xf0
[ 0.316161] ? proc_apm_show+0x150/0x150
[ 0.316161] ? kthread_create_worker_on_cpu+0x20/0x20
[ 0.316161] ret_from_fork+0x2e/0x38
[ 0.316161] Code: da 8e c2 8e e2 8e ea 57 55 2e ff 1d e0 bb 5d b1 0f 92 c3 5d 5f 07 1f 89 47 0c 90 8d b4 26 00 00 00 00 90 8d b4 26 00 00 00 00 90 <64> ff 0d 84 16 5c b1 74 7f 8b 45 dc 8e e0 8b 45 d8 8e e8 8b 45
[ 0.316161] EIP: __apm_bios_call_simple+0xc8/0x170 SS:ESP: 0068:dea95ef0
[ 0.316161] ---[ end trace 656253db2deaa12c ]---
Fixes: dd84441a7971 ("x86/speculation: Use IBRS if available before calling into firmware")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lkml.kernel.org/r/20180709133534.5963-1-ville.syrjala@linux.intel.com
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bbdc6076d2e5d07db44e74c11b01a3e27ab90b32 upstream.
Commmit eab09532d400 ("binfmt_elf: use ELF_ET_DYN_BASE only for PIE"),
made changes in the rare case when the ELF loader was directly invoked
(e.g to set a non-inheritable LD_LIBRARY_PATH, testing new versions of
the loader), by moving into the mmap region to avoid both ET_EXEC and
PIE binaries. This had the effect of also moving the brk region into
mmap, which could lead to the stack and brk being arbitrarily close to
each other. An unlucky process wouldn't get its requested stack size
and stack allocations could end up scribbling on the heap.
This is illustrated here. In the case of using the loader directly, brk
(so helpfully identified as "[heap]") is allocated with the _loader_ not
the binary. For example, with ASLR entirely disabled, you can see this
more clearly:
$ /bin/cat /proc/self/maps
555555554000-55555555c000 r-xp 00000000 ... /bin/cat
55555575b000-55555575c000 r--p 00007000 ... /bin/cat
55555575c000-55555575d000 rw-p 00008000 ... /bin/cat
55555575d000-55555577e000 rw-p 00000000 ... [heap]
...
7ffff7ff7000-7ffff7ffa000 r--p 00000000 ... [vvar]
7ffff7ffa000-7ffff7ffc000 r-xp 00000000 ... [vdso]
7ffff7ffc000-7ffff7ffd000 r--p 00027000 ... /lib/x86_64-linux-gnu/ld-2.27.so
7ffff7ffd000-7ffff7ffe000 rw-p 00028000 ... /lib/x86_64-linux-gnu/ld-2.27.so
7ffff7ffe000-7ffff7fff000 rw-p 00000000 ...
7ffffffde000-7ffffffff000 rw-p 00000000 ... [stack]
$ /lib/x86_64-linux-gnu/ld-2.27.so /bin/cat /proc/self/maps
...
7ffff7bcc000-7ffff7bd4000 r-xp 00000000 ... /bin/cat
7ffff7bd4000-7ffff7dd3000 ---p 00008000 ... /bin/cat
7ffff7dd3000-7ffff7dd4000 r--p 00007000 ... /bin/cat
7ffff7dd4000-7ffff7dd5000 rw-p 00008000 ... /bin/cat
7ffff7dd5000-7ffff7dfc000 r-xp 00000000 ... /lib/x86_64-linux-gnu/ld-2.27.so
7ffff7fb2000-7ffff7fd6000 rw-p 00000000 ...
7ffff7ff7000-7ffff7ffa000 r--p 00000000 ... [vvar]
7ffff7ffa000-7ffff7ffc000 r-xp 00000000 ... [vdso]
7ffff7ffc000-7ffff7ffd000 r--p 00027000 ... /lib/x86_64-linux-gnu/ld-2.27.so
7ffff7ffd000-7ffff7ffe000 rw-p 00028000 ... /lib/x86_64-linux-gnu/ld-2.27.so
7ffff7ffe000-7ffff8020000 rw-p 00000000 ... [heap]
7ffffffde000-7ffffffff000 rw-p 00000000 ... [stack]
The solution is to move brk out of mmap and into ELF_ET_DYN_BASE since
nothing is there in the direct loader case (and ET_EXEC is still far
away at 0x400000). Anything that ran before should still work (i.e.
the ultimately-launched binary already had the brk very far from its
text, so this should be no different from a COMPAT_BRK standpoint). The
only risk I see here is that if someone started to suddenly depend on
the entire memory space lower than the mmap region being available when
launching binaries via a direct loader execs which seems highly
unlikely, I'd hope: this would mean a binary would _not_ work when
exec()ed normally.
(Note that this is only done under CONFIG_ARCH_HAS_ELF_RANDOMIZATION
when randomization is turned on.)
Link: http://lkml.kernel.org/r/20190422225727.GA21011@beast
Link: https://lkml.kernel.org/r/CAGXu5jJ5sj3emOT2QPxQkNQk0qbU6zEfu9=Omfhx_p0nCKPSjA@mail.gmail.com
Fixes: eab09532d400 ("binfmt_elf: use ELF_ET_DYN_BASE only for PIE")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Ali Saidi <alisaidi@amazon.com>
Cc: Ali Saidi <alisaidi@amazon.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jann Horn <jannh@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit afe49de44c27a89e8e9631c44b5ffadf6ace65e2 upstream.
Commit 15e668070a64 ("ipv6: reorder icmpv6_init() and ip6_mr_init()")
moved the cleanup label for ipmr_fail, but should have changed the
contents of the cleanup labels as well. Now we can end up cleaning up
icmpv6 even though it hasn't been initialized (jump to icmp_fail or
ipmr_fail).
Simply undo things in the reverse order of their initialization.
Example of panic (triggered by faking a failure of icmpv6_init):
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN PTI
[...]
RIP: 0010:__list_del_entry_valid+0x79/0x160
[...]
Call Trace:
? lock_release+0x8a0/0x8a0
unregister_pernet_operations+0xd4/0x560
? ops_free_list+0x480/0x480
? down_write+0x91/0x130
? unregister_pernet_subsys+0x15/0x30
? down_read+0x1b0/0x1b0
? up_read+0x110/0x110
? kmem_cache_create_usercopy+0x1b4/0x240
unregister_pernet_subsys+0x1d/0x30
icmpv6_cleanup+0x1d/0x30
inet6_init+0x1b5/0x23f
Fixes: 15e668070a64 ("ipv6: reorder icmpv6_init() and ip6_mr_init()")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 56f772279a762984f6e9ebbf24a7c829faba5712 upstream.
In failure path, we overwrite err to what vnic_rq_disable() returns. In
case it returns 0, enic_open() returns success in case of error.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Fixes: e8588e268509 ("enic: enable rq before updating rq descriptors")
Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit fd25ea29093e275195d0ae8b2573021a1c98959f upstream.
Revert commit 6276e53fa8c0 (ACPI / video: Add force_native quirk for
HP Pavilion dv6).
In the commit message for the quirk this revert removes I wrote:
"Note that there are quite a few HP Pavilion dv6 variants, some
woth ATI and some with NVIDIA hybrid gfx, both seem to need this
quirk to have working backlight control. There are also some versions
with only Intel integrated gfx, these may not need this quirk, but it
should not hurt there."
Unfortunately that seems wrong, I've already received 2 reports of
this commit causing regressions on some dv6 variants (at least one
of which actually has a nvidia GPU). So it seems that HP has made a
mess here by using the same model-name both in marketing and in the
DMI data for many different variants. Some of which need
acpi_backlight=native for functional backlight control (as the
quirk this commit reverts was doing), where as others are broken by
it. So lets get back to the old sitation so as to avoid regressing
on models which used to work without any kernel cmdline arguments
before.
Fixes: 6276e53fa8c0 (ACPI / video: Add force_native quirk for HP Pavilion dv6)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8738c85c72b3108c9b9a369a39868ba5f8e10ae0 ]
If choke_init() could not allocate q->tab, we would crash later
in choke_reset().
BUG: KASAN: null-ptr-deref in memset include/linux/string.h:366 [inline]
BUG: KASAN: null-ptr-deref in choke_reset+0x208/0x340 net/sched/sch_choke.c:326
Write of size 8 at addr 0000000000000000 by task syz-executor822/7022
CPU: 1 PID: 7022 Comm: syz-executor822 Not tainted 5.7.0-rc1-syzkaller #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+0x188/0x20d lib/dump_stack.c:118
__kasan_report.cold+0x5/0x4d mm/kasan/report.c:515
kasan_report+0x33/0x50 mm/kasan/common.c:625
check_memory_region_inline mm/kasan/generic.c:187 [inline]
check_memory_region+0x141/0x190 mm/kasan/generic.c:193
memset+0x20/0x40 mm/kasan/common.c:85
memset include/linux/string.h:366 [inline]
choke_reset+0x208/0x340 net/sched/sch_choke.c:326
qdisc_reset+0x6b/0x520 net/sched/sch_generic.c:910
dev_deactivate_queue.constprop.0+0x13c/0x240 net/sched/sch_generic.c:1138
netdev_for_each_tx_queue include/linux/netdevice.h:2197 [inline]
dev_deactivate_many+0xe2/0xba0 net/sched/sch_generic.c:1195
dev_deactivate+0xf8/0x1c0 net/sched/sch_generic.c:1233
qdisc_graft+0xd25/0x1120 net/sched/sch_api.c:1051
tc_modify_qdisc+0xbab/0x1a00 net/sched/sch_api.c:1670
rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5454
netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2469
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:672
____sys_sendmsg+0x6bf/0x7e0 net/socket.c:2362
___sys_sendmsg+0x100/0x170 net/socket.c:2416
__sys_sendmsg+0xec/0x1b0 net/socket.c:2449
do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
Fixes: 77e62da6e60c ("sch_choke: drop all packets in queue during reset")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Cong Wang <xiyou.wangcong@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 df4953e4e997e273501339f607b77953772e3559 ]
syzbot managed to set up sfq so that q->scaled_quantum was zero,
triggering an infinite loop in sfq_dequeue()
More generally, we must only accept quantum between 1 and 2^18 - 7,
meaning scaled_quantum must be in [1, 0x7FFF] range.
Otherwise, we also could have a loop in sfq_dequeue()
if scaled_quantum happens to be 0x8000, since slot->allot
could indefinitely switch between 0 and 0x8000.
Fixes: eeaeb068f139 ("sch_sfq: allow big packets and be fair")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+0251e883fe39e7a0cb0a@syzkaller.appspotmail.com
Cc: Jason A. Donenfeld <Jason@zx2c4.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 40e473071dbad04316ddc3613c3a3d1c75458299 ]
When ENOSPC is set the idx is still valid and gets set to the global
MLX4_SINK_COUNTER_INDEX. However gcc's static analysis cannot tell that
ENOSPC is impossible from mlx4_cmd_imm() and gives this warning:
drivers/net/ethernet/mellanox/mlx4/main.c:2552:28: warning: 'idx' may be
used uninitialized in this function [-Wmaybe-uninitialized]
2552 | priv->def_counter[port] = idx;
Also, when ENOSPC is returned mlx4_allocate_default_counters should not
fail.
Fixes: 6de5f7f6a1fa ("net/mlx4_core: Allocate default counter per port")
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.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 865308373ed49c9fb05720d14cbf1315349b32a9 ]
In this code, it appears that phyter_clocks is a list head, based on
the previous list_for_each, and that clock->list is intended to be a
list element, given that it has just been initialized in
dp83640_clock_init. Accordingly, switch the arguments to
list_add_tail, which takes the list head as the second argument.
Fixes: cb646e2b02b27 ("ptp: Added a clock driver for the National Semiconductor PHYTER.")
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 0d1951fa23ba0d35a4c5498ff28d1c5206d6fcdd which was
commit d5c3d84657db57bd23ecd58b97f1c99dd42a7b80 upstream.
Guillaume reports that this patch breaks booting on
at91-sama5d4_xplained, so revert it for now.
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 78d6de3cfbd342918d31cf68d0d2eda401338aef upstream.
Add support for Dell Wireless 5816e to drivers/usb/serial/qcserial.c
Signed-off-by: Matt Jolly <Kangie@footclan.ninja>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver hid-steam is only meant to support the USB mode and the
wireless dongle mode. It was never meant to work over the BT using the
beta version of the firmware of the steam controller.
In the BT mode, the controller works as a "lizard-mode" device by
default. It probably needs to have a special command to activate the
controller mode, but for simplicity, we just revert to the upstream
state of having the hid-generic driver take care of it.
The lizard mode can probably be worked around in the BT stack.
Bug: 147434575
Test: connect Steam controller over BT (press steam button and "Y" key
simultaneously) and make sure that the mouse device shows up as a
cursor. You can use the trigger buttons to generate left and right mouse
clicks.
Test: compare against the upstream version, and check that it's missing
the define for STEAM_CONTROLLER_BT and the matching for the product ID
1106.
Signed-off-by: Siarhei Vishniakou <svv@google.com>
Change-Id: Id4f6c866a7e14e20c5e633889833f3708ec6b235
(cherry picked from commit 25849e1066e869f10a1bdfa43d5fb1b685b76480)
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The `connected` value for wired devices was not properly initialized,
it must be set to `true` upon creation, because wired devices do not
generate connection events.
When a raw client (the Steam Client) uses the device, the input device
is destroyed. Then, when the raw client finishes, it must be recreated.
But since the `connected` variable was false this never happended.
Signed-off-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Bug: 147434575
(cherry picked from commit 20eee6e5af35d9586774e80b6e0b1850e7cc9899)
Signed-off-by: Siarhei Vishniakou <svv@google.com>
Change-Id: Ib362e0dec7d53dfc4fcfdca45824cf90358240e2
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This patch breaks allmodconfig and is not in linux-4.4.y.
Reverted to match linux-4.4.y. If we want to keep this, we
also need the fix for the build issue:
32302085a8d9 ("ext2: fix debug reference to ext2_xattr_cache")
This reverts commit 96b52bba31e44309957193ca9437e2410c410b76.
Change-Id: I4b0fda4ba999451af15d1dd54f501388cda28707
Signed-off-by: Todd Kjos <tkjos@google.com>
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Changes in 4.4.223
mwifiex: fix PCIe register information for 8997 chipset
drm/qxl: qxl_release use after free
drm/qxl: qxl_release leak in qxl_draw_dirty_fb()
staging: rtl8192u: Fix crash due to pointers being "confusing"
usb: gadget: f_acm: Fix configfs attr name
usb: gadged: pch_udc: get rid of redundant assignments
usb: gadget: pch_udc: reorder spin_[un]lock to avoid deadlock
usb: gadget: udc: core: don't starve DMA resources
MIPS: Fix macro typo
MIPS: ptrace: Drop cp0_tcstatus from regoffset_table[]
MIPS: BMIPS: Fix PRID_IMP_BMIPS5000 masking for BMIPS5200
MIPS: smp-cps: Stop printing EJTAG exceptions to UART
MIPS: scall: Handle seccomp filters which redirect syscalls
MIPS: BMIPS: BMIPS5000 has I cache filing from D cache
MIPS: BMIPS: Clear MIPS_CACHE_ALIASES earlier
MIPS: BMIPS: local_r4k___flush_cache_all needs to blast S-cache
MIPS: BMIPS: Pretty print BMIPS5200 processor name
MIPS: Fix HTW config on XPA kernel without LPA enabled
MIPS: BMIPS: Adjust mips-hpt-frequency for BCM7435
MIPS: math-emu: Fix BC1{EQ,NE}Z emulation
MIPS: Fix BC1{EQ,NE}Z return offset calculation
MIPS: perf: Fix I6400 event numbers
MIPS: KVM: Fix translation of MFC0 ErrCtl
MIPS: SMP: Update cpu_foreign_map on CPU disable
MIPS: c-r4k: Fix protected_writeback_scache_line for EVA
MIPS: Octeon: Off by one in octeon_irq_gpio_map()
bpf, mips: fix off-by-one in ctx offset allocation
MIPS: RM7000: Double locking bug in rm7k_tc_disable()
MIPS: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
mips/panic: replace smp_send_stop() with kdump friendly version in panic path
ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz
ARM: imx: select SRC for i.MX7
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wxl/wsxl
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wvl/vl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wxl/wsxl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wvl/vl
ARM: dts: orion5x: gpio pin fixes for linkstation lswtgl
ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl
ARM: dts: kirkwood: use unique machine name for ds112
ARM: dts: kirkwood: add kirkwood-ds112.dtb to Makefile
ARM: OMAP2+: hwmod: fix _idle() hwmod state sanity check sequence
perf/x86: Fix filter_events() bug with event mappings
x86/LDT: Print the real LDT base address
x86/apic/uv: Silence a shift wrapping warning
ALSA: fm801: explicitly free IRQ line
ALSA: fm801: propagate TUNER_ONLY bit when autodetected
ALSA: fm801: detect FM-only card earlier
netfilter: nfnetlink: use original skbuff when acking batches
xfrm: fix crash in XFRM_MSG_GETSA netlink handler
mwifiex: fix IBSS data path issue.
mwifiex: add missing check for PCIe8997 chipset
iwlwifi: set max firmware version of 7265 to 17
Bluetooth: btmrvl: fix hung task warning dump
dccp: limit sk_filter trim to payload
net/mlx4_core: Do not BUG_ON during reset when PCI is offline
mlxsw: pci: Correctly determine if descriptor queue is full
PCI: Supply CPU physical address (not bus address) to iomem_is_exclusive()
net/mlx4_core: Implement pci_resume callback
alpha/PCI: Call iomem_is_exclusive() for IORESOURCE_MEM, but not IORESOURCE_IO
vfio/pci: Allow VPD short read
brcmfmac: add eth_type_trans back for PCIe full dongle
mlxsw: Treat local port 64 as valid
IB/mlx4: Initialize hop_limit when creating address handle
ovs/gre,geneve: fix error path when creating an iface
GRE: Disable segmentation offloads w/ CSUM and we are encapsulated via FOU
powerpc/pci/of: Parse unassigned resources
firmware: actually return NULL on failed request_firmware_nowait()
c8sectpfe: Rework firmware loading mechanism
net/mlx5: Avoid passing dma address 0 to firmware
IB/mlx5: Fix RC transport send queue overhead computation
net/mlx5: Make command timeout way shorter
IB/mlx5: Fix FW version diaplay in sysfs
net/mlx5e: Fix MLX5E_100BASE_T define
net/mlx5: Fix the size of modify QP mailbox
net/mlx5: Fix masking of reserved bits in XRCD number
net/mlx5e: Fix blue flame quota logic
net/mlx5: use mlx5_buf_alloc_node instead of mlx5_buf_alloc in mlx5_wq_ll_create
net/mlx5: Avoid calling sleeping function by the health poll thread
net/mlx5: Fix wait_vital for VFs and remove fixed sleep
net/mlx5: Fix potential deadlock in command mode change
net/mlx5: Add timeout handle to commands with callback
net/mlx5: Fix pci error recovery flow
net/mlx5e: Copy all L2 headers into inline segment
net_sched: keep backlog updated with qlen
sch_drr: update backlog as well
sch_hfsc: always keep backlog updated
sch_prio: update backlog as well
sch_qfq: keep backlog updated with qlen
sch_sfb: keep backlog updated with qlen
sch_tbf: update backlog as well
btrfs: cleaner_kthread() doesn't need explicit freeze
irda: Free skb on irda_accept error path.
phy: fix device reference leaks
bonding: prevent out of bound accesses
mtd: nand: fix ONFI parameter page layout
ath10k: free cached fw bin contents when get board id fails
xprtrdma: checking for NULL instead of IS_ERR()
xprtrdma: Fix additional uses of spin_lock_irqsave(rb_lock)
xprtrdma: xprt_rdma_free() must not release backchannel reqs
xprtrdma: rpcrdma_bc_receive_call() should init rq_private_buf.len
RDMA/cxgb3: device driver frees DMA memory with different size
mlxsw: spectrum: Don't forward packets when STP state is DISABLED
mlxsw: spectrum: Disable learning according to STP state
mlxsw: spectrum: Don't count internal TX header bytes to stats
mlxsw: spectrum: Indicate support for autonegotiation
mlxsw: spectrum: Fix misuse of hard_header_len
net: tcp_memcontrol: properly detect ancestor socket pressure
tcp: do not set rtt_min to 1
RDS:TCP: Synchronize rds_tcp_accept_one with rds_send_xmit when resetting t_sock
net: ipv6: tcp reset, icmp need to consider L3 domain
batman-adv: Fix lockdep annotation of batadv_tlv_container_remove
batman-adv: replace WARN with rate limited output on non-existing VLAN
tty: serial: msm: Support more bauds
serial: samsung: Fix possible out of bounds access on non-DT platform
Drivers: hv: utils: use memdup_user in hvt_op_write
isa: Call isa_bus_init before dependent ISA bus drivers register
Btrfs: clean up an error code in btrfs_init_space_info()
Input: gpio-keys - fix check for disabling unsupported keys
Input: edt-ft5x06 - fix setting gain, offset, and threshold via device tree
net/xfrm_input: fix possible NULL deref of tunnel.ip6->parms.i_key
xfrm_user: propagate sec ctx allocation errors
xfrm: Fix memory leak of aead algorithm name
mac80211: fix mgmt-tx abort cookie and leak
mac80211: TDLS: always downgrade invalid chandefs
mac80211: TDLS: change BW calculation for WIDER_BW peers
mac80211: Fix BW upgrade for TDLS peers
NFS: Fix an LOCK/OPEN race when unlinking an open file
net: get rid of an signed integer overflow in ip_idents_reserve()
mtd: nand: denali: add missing nand_release() call in denali_remove()
ASoC: Intel: pass correct parameter in sst_alloc_stream_mrfld()
ASoC: tegra_alc5632: check return value
ASoC: fsl_ssi: mark SACNT register volatile
Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()"
mmc: sdhci: restore behavior when setting VDD via external regulator
mmc: sd: limit SD card power limit according to cards capabilities
mmc: debugfs: correct wrong voltage value
mmc: block: return error on failed mmc_blk_get()
clk: rockchip: Revert "clk: rockchip: reset init state before mmc card initialization"
mmc: dw_mmc: rockchip: Set the drive phase properly
mmc: moxart: fix wait_for_completion_interruptible_timeout return variable type
mmc: sdhci: Fix regression setting power on Trats2 board
perf tools: Fix perf regs mask generation
powerpc/tm: Fix stack pointer corruption in __tm_recheckpoint()
powerpc/book3s: Fix MCE console messages for unrecoverable MCE.
sctp: fix the transports round robin issue when init is retransmitted
sunrpc: Update RPCBIND_MAXNETIDLEN
NFC: nci: memory leak in nci_core_conn_create()
net: phy: Avoid polling PHY with PHY_IGNORE_INTERRUPTS
net: phy: Fix phy_mac_interrupt()
net: phy: bcm7xxx: Fix shadow mode 2 disabling
of_mdio: fix node leak in of_phy_register_fixed_link error path
phy: micrel: Fix finding PHY properties in MAC node for KSZ9031.
net: dsa: slave: fix of-node leak and phy priority
drivers: net: cpsw: don't ignore phy-mode if phy-handle is used
iommu/dma: Respect IOMMU aperture when allocating
mdio-sun4i: oops in error handling in probe
iio:ad7797: Use correct attribute_group
selftests/ipc: Fix test failure seen after initial test run
wimax/i2400m: Fix potential urb refcnt leak
cifs: protect updating server->dstaddr with a spinlock
scripts/config: allow colons in option strings for sed
lib/mpi: Fix building for powerpc with clang
net: bcmgenet: suppress warnings on failed Rx SKB allocations
net: systemport: suppress warnings on failed Rx SKB allocations
rc: allow rc modules to be loaded if rc-main is not a module
lirc_imon: do not leave imon_probe() with mutex held
am437x-vpfe: fix an uninitialized variable bug
cx23885: uninitialized variable in cx23885_av_work_handler()
ath9k_htc: check for underflow in ath9k_htc_rx_msg()
VFIO: platform: reset: fix a warning message condition
net: moxa: fix an error code
mfd: lp8788-irq: Uninitialized variable in irq handler
ethernet: micrel: fix some error codes
power: ipaq-micro-battery: freeing the wrong variable
i40e: fix an uninitialized variable bug
qede: uninitialized variable in qede_start_xmit()
qlcnic: potential NULL dereference in qlcnic_83xx_get_minidump_template()
qlcnic: use the correct ring in qlcnic_83xx_process_rcv_ring_diag()
target: Fix a memory leak in target_dev_lba_map_store()
memory/tegra: Add number of TLB lines for Tegra124
pinctrl: bcm2835: Fix memory leak in error path
be2net: Don't leak iomapped memory on removal.
ipv4: Fix memory leak in exception case for splitting tries
flow_dissector: Check for IP fragmentation even if not using IPv4 address
ipv4: fix checksum annotation in udp4_csum_init
ipv4: do not abuse GFP_ATOMIC in inet_netconf_notify_devconf()
ipv4: accept u8 in IP_TOS ancillary data
net: vrf: Fix dev refcnt leak due to IPv6 prefix route
ipv6: fix checksum annotation in udp6_csum_init
ipv6: do not abuse GFP_ATOMIC in inet6_netconf_notify_devconf()
ipv6: add missing netconf notif when 'all' is updated
net: ipv6: Fix processing of RAs in presence of VRF
netfilter: nf_tables: fix a wrong check to skip the inactive rules
netfilter: nft_dynset: fix panic if NFT_SET_HASH is not enabled
netfilter: nf_tables: destroy the set if fail to add transaction
netfilter: nft_dup: do not use sreg_dev if the user doesn't specify it
udp: restore UDPlite many-cast delivery
clk: st: avoid uninitialized variable use
clk: gpio: handle error codes for of_clk_get_parent_count()
clk: ti: omap3+: dpll: use non-locking version of clk_get_rate
clk: multiplier: Prevent the multiplier from under / over flowing
clk: imx: clk-pllv3: fix incorrect handle of enet powerdown bit
clk: xgene: Don't call __pa on ioremaped address
cls_bpf: reset class and reuse major in da
arm64: bpf: jit JMP_JSET_{X,K}
bpf, trace: check event type in bpf_perf_event_read
bpf: fix map not being uncharged during map creation failure
net/mlx4_core: Fix potential corruption in counters database
net/mlx4_core: Fix access to uninitialized index
net/mlx4_en: Fix the return value of a failure in VLAN VID add/kill
net/mlx4_core: Check device state before unregistering it
net/mlx4_core: Fix the resource-type enum in res tracker to conform to FW spec
net/mlx4_en: Process all completions in RX rings after port goes up
net/mlx4_core: Do not access comm channel if it has not yet been initialized
net/mlx4_en: Fix potential deadlock in port statistics flow
net/mlx4: Fix uninitialized fields in rule when adding promiscuous mode to device managed flow steering
net/mlx4_core: Fix QUERY FUNC CAP flags
mlxsw: switchx2: Fix misuse of hard_header_len
mlxsw: switchx2: Fix ethernet port initialization
sched/fair: Fix calc_cfs_shares() fixed point arithmetics width confusion
net_sched: flower: Avoid dissection of unmasked keys
pkt_sched: fq: use proper locking in fq_dump_stats()
sched/preempt: Fix preempt_count manipulations
power: bq27xxx: fix reading for bq27000 and bq27010
power: bq27xxx: fix register numbers of bq27500
power: test_power: correctly handle empty writes
power: bq27xxx_battery: Fix bq27541 AveragePower register address
power_supply: tps65217-charger: Fix NULL deref during property export
net: vrf: Fix dst reference counting
net: Don't delete routes in different VRFs
vti6: fix input path
ipv4: Fix table id reference in fib_sync_down_addr
mlx4: do not call napi_schedule() without care
xprtrdma: Fix backchannel allocation of extra rpcrdma_reps
ALSA: fm801: Initialize chip after IRQ handler is registered
bonding: fix length of actor system
MIPS: perf: Remove incorrect odd/even counter handling for I6400
Revert "cpufreq: Drop rwsem lock around CPUFREQ_GOV_POLICY_EXIT"
net: dsa: mv88e6xxx: unlock DSA and CPU ports
gfs2: fix flock panic issue
blk-mq: fix undefined behaviour in order_to_size()
dm: fix second blk_delay_queue() parameter to be in msec units not jiffies
dmaengine: edma: Add probe callback to edma_tptc_driver
openvswitch: update checksum in {push,pop}_mpls
cxgb4/cxgb4vf: Fixes regression in perf when tx vlan offload is disabled
net: bcmgenet: fix skb_len in bcmgenet_xmit_single()
net: bcmgenet: device stats are unsigned long
ovs/gre: fix rtnl notifications on iface deletion
gre: do not assign header_ops in collect metadata mode
gre: build header correctly for collect metadata tunnels
gre: reject GUE and FOU in collect metadata mode
sfc: fix potential stack corruption from running past stat bitmask
sfc: clear napi_hash state when copying channels
net: bcmsysport: Device stats are unsigned long
cxgbi: fix uninitialized flowi6
net: macb: add missing free_netdev() on error in macb_probe()
macvtap: segmented packet is consumed
tipc: fix the error handling in tipc_udp_enable()
net: icmp6_send should use dst dev to determine L3 domain
et131x: Fix logical vs bitwise check in et131x_tx_timeout()
net: ethernet: stmmac: dwmac-sti: fix probe error path
rtnl: reset calcit fptr in rtnl_unregister()
net: ethernet: stmmac: dwmac-rk: fix probe error path
fq_codel: return non zero qlen in class dumps
net: ethernet: stmmac: dwmac-generic: fix probe error path
ovs/geneve: fix rtnl notifications on iface deletion
bnxt: add a missing rcu synchronization
qdisc: fix a module refcount leak in qdisc_create_dflt()
net: axienet: Fix return value check in axienet_probe()
bnxt_en: Remove locking around txr->dev_state
net: ethernet: davinci_emac: Fix devioctl while in fixed link
net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented
net: ethernet: ti: cpsw: fix device and of_node leaks
net: ethernet: ti: cpsw: fix secondary-emac probe error path
net: hns: fix device reference leaks
net: bridge: don't increment tx_dropped in br_do_proxy_arp
net: dsa: mv88e6xxx: enable SA learning on DSA ports
net: ehea: avoid null pointer dereference
l2tp: fix use-after-free during module unload
hwrng: exynos - Disable runtime PM on driver unbind
net: icmp_route_lookup should use rt dev to determine L3 domain
net: mvneta: fix trivial cut-off issue in mvneta_ethtool_update_stats
net: macb: replace macb_writel() call by queue_writel() to update queue ISR
ravb: Add missing free_irq() call to ravb_close()
mvpp2: use correct size for memset
net: vxlan: lwt: Fix vxlan local traffic.
net: ethoc: Fix early error paths
ovs/vxlan: fix rtnl notifications on iface deletion
net: mv643xx_eth: fix packet corruption with TSO and tiny unaligned packets.
regulator: core: Rely on regulator_dev_release to free constraints
net: dsa: mv88e6xxx: fix port VLAN maps
at803x: fix reset handling
cxl: Fix DAR check & use REGION_ID instead of opencoding
net: ethernet: davinci_emac: Fix platform_data overwrite
ata: sata_dwc_460ex: remove incorrect locking
pinctrl: tegra: Correctly check the supported configuration
brcmfmac: add fallback for devices that do not report per-chain values
brcmfmac: restore stopping netdev queue when bus clogs up
bridge: Fix problems around fdb entries pointing to the bridge device
bna: add missing per queue ethtool stat
net: skbuff: Remove errornous length validation in skb_vlan_pop()
net: ep93xx_eth: Do not crash unloading module
macvlan: Fix potential use-after free for broadcasts
sctp: Fix SHUTDOWN CTSN Ack in the peer restart case
ALSA: hda: Match both PCI ID and SSID for driver blacklist
mac80211: add ieee80211_is_any_nullfunc()
Linux 4.4.223
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie7caca39501fe5e82b947964cc474ed1c786d756
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This reverts commit 09d96c8d1bd2db1a40bd87fcb5354ad8131456a5.
We don't want it in the android-4.4 branch as it causes merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I37823c04383dab2326d0151aedb1cb1f97309515
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commit 30b2f0be23fb40e58d0ad2caf8702c2a44cda2e1 upstream.
commit 08a5bdde3812 ("mac80211: consider QoS Null frames for STA_NULLFUNC_ACKED")
Fixed a bug where we failed to take into account a
nullfunc frame can be either non-QoS or QoS. It turns out
there is at least one more bug in
ieee80211_sta_tx_notify(), introduced in
commit 7b6ddeaf27ec ("mac80211: use QoS NDP for AP probing"),
where we forgot to check for the QoS variant and so
assumed the QoS nullfunc frame never went out
Fix this by adding a helper ieee80211_is_any_nullfunc()
which consolidates the check for non-QoS and QoS nullfunc
frames. Replace existing compound conditionals and add a
couple more missing checks for QoS variant.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200114055940.18502-3-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 977dfef40c8996b69afe23a9094d184049efb7bb upstream.
The commit 3c6fd1f07ed0 ("ALSA: hda: Add driver blacklist") added a
new blacklist for the devices that are known to have empty codecs, and
one of the entries was ASUS ROG Zenith II (PCI SSID 1043:874f).
However, it turned out that the very same PCI SSID is used for the
previous model that does have the valid HD-audio codecs and the change
broke the sound on it.
Since the empty codec problem appear on the certain AMD platform (PCI
ID 1022:1487), this patch changes the blacklist matching to both PCI
ID and SSID using pci_match_id(). Also, the entry that was removed by
the previous fix for ASUS ROG Zenigh II is re-added.
Link: https://lore.kernel.org/r/20200424061222.19792-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 12dfd78e3a74825e6f0bc8df7ef9f938fbc6bfe3 upstream.
When starting shutdown in sctp_sf_do_dupcook_a(), get the value for
SHUTDOWN Cumulative TSN Ack from the new association, which is
reconstructed from the cookie, instead of the old association, which
the peer doesn't have anymore.
Otherwise the SHUTDOWN is either ignored or replied to with an ABORT
by the peer because CTSN Ack doesn't match the peer's Initial TSN.
Fixes: bdf6fa52f01b ("sctp: handle association restarts when the socket is closed.")
Signed-off-by: Jere Leppänen <jere.leppanen@nokia.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 260916dfb48c374f7840f3b86e69afd3afdb6e96 upstream.
When we postpone a broadcast packet we save the source port in
the skb if it is local. However, the source port can disappear
before we get a chance to process the packet.
This patch fixes this by holding a ref count on the netdev.
It also delays the skb->cb modification until after we allocate
the new skb as you should not modify shared skbs.
Fixes: 412ca1550cbe ("macvlan: Move broadcasts into a work queue")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c823abac17926767fb50175e098f087a6ac684c3 upstream.
When we unload the ep93xx_eth, whether we have opened the network
interface or not, we will either hit a kernel paging request error, or a
simple NULL pointer de-reference because:
- if ep93xx_open has been called, we have created a valid DMA mapping
for ep->descs, when we call ep93xx_stop, we also call
ep93xx_free_buffers, ep->descs now has a stale value
- if ep93xx_open has not been called, we have a NULL pointer for
ep->descs, so performing any operation against that address just won't
work
Fix this by adding a NULL pointer check for ep->descs which means that
ep93xx_free_buffers() was able to successfully tear down the descriptors
and free the DMA cookie as well.
Fixes: 1d22e05df818 ("[PATCH] Cirrus Logic ep93xx ethernet driver")
Signed-off-by: Florian Fainelli <f.fainelli@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 636c2628086e40c86dac7ddc84a1c4b4fcccc6e3 upstream.
In 93515d53b1
"net: move vlan pop/push functions into common code"
skb_vlan_pop was moved from its private location in openvswitch to
skbuff common code.
In case skb has non hw-accel vlan tag, the original 'pop_vlan()' assured
that skb->len is sufficient (if skb->len < VLAN_ETH_HLEN then pop was
considered a no-op).
This validation was moved as is into the new common 'skb_vlan_pop'.
Alas, in its original location (openvswitch), there was a guarantee that
'data' points to the mac_header, therefore the 'skb->len < VLAN_ETH_HLEN'
condition made sense.
However there's no such guarantee in the generic 'skb_vlan_pop'.
For short packets received in rx path going through 'skb_vlan_pop',
this causes 'skb_vlan_pop' to fail pop-ing a valid vlan hdr (in the non
hw-accel case) or to fail moving next tag into hw-accel tag.
Remove the 'skb->len < VLAN_ETH_HLEN' condition entirely:
It is superfluous since inner '__skb_vlan_pop' already verifies there
are VLAN_ETH_HLEN writable bytes at the mac_header.
Note this presents a slight change to skb_vlan_pop() users:
In case total length is smaller than VLAN_ETH_HLEN, skb_vlan_pop() now
returns an error, as opposed to previous "no-op" behavior.
Existing callers (e.g. tc act vlan, ovs) usually drop the packet if
'skb_vlan_pop' fails.
Fixes: 93515d53b1 ("net: move vlan pop/push functions into common code")
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Cc: Pravin Shelar <pshelar@ovn.org>
Reviewed-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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commit 2835d2d9e366a2985b24051d228333bfba82f3a7 upstream.
Commit ba5ca784 "bna: check for dma mapping errors" added besides other
things a statistic that counts number of DMA buffer mapping failures
per each Rx queue. This counter is not included in ethtool stats output.
Fixes: ba5ca784 "bna: check for dma mapping errors"
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7bb90c3715a496c650b2e879225030f9dd9cfafb upstream.
Adding fdb entries pointing to the bridge device uses fdb_insert(),
which lacks various checks and does not respect added_by_user flag.
As a result, some inconsistent behavior can happen:
* Adding temporary entries succeeds but results in permanent entries.
* Same goes for "dynamic" and "use".
* Changing mac address of the bridge device causes deletion of
user-added entries.
* Replacing existing entries looks successful from userspace but actually
not, regardless of NLM_F_EXCL flag.
Use the same logic as other entries and fix them.
Fixes: 3741873b4f73 ("bridge: allow adding of fdb entries pointing to the bridge device")
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 82bc9ab6a8f577d2174a736c33f3d4ecf7d9ef47 upstream.
When the host-interface bus has hard time handling transmit packets
it informs higher layer about this and it would stop the netdev
queue when needed. However, since commit 9cd18359d31e ("brcmfmac:
Make FWS queueing configurable.") this was broken. With this patch
the behaviour is restored.
Cc: stable@vger.kernel.org # v4.5, v4.6, v4.7
Fixes: 9cd18359d31e ("brcmfmac: Make FWS queueing configurable.")
Tested-by: Per Förlin <per.forlin@gmail.com>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 94abd778a7bb00ed5d00f56d9fbfcbf5b7c02a5c upstream.
If brcmf_cfg80211_get_station fails to determine the RSSI from the
per-chain values get the value individually as a fallback.
Fixes: 1f0dc59a6de9 ("brcmfmac: rework .get_station() callback")
Signed-off-by: Jaap Jan Meijer <jjmeijer88@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b22ef2a0979f2b91cfeeabb086e4d665183a93a1 upstream.
The pincontrol registers of Tegra chips has multiple filed per
registers. There is two type of registers mux and drive. All
configurations belongs to one of these registers.
If any configurations are supported then <config>_bit is set to
bit position of these registers otherwise -1 to not support it.
The member is defined as
s32 <config>_bit:6;
So if config is not supported ifor given SoC then it is set to -1
in soc pinmmux table.
In common driver code, to find out that given config is supported
or not, it is checked as:
s8 bit = <config>_bit;
if (bit > 31) {
/* Not supported config */
}
But in this case, bit is s8 and hence for non supporting it is -1.
Correct the check as:
if (bit < 0) {
/* Not supported config */
}
Fixes: e4c02dced975cb ("pinctrl: tegra: use signed bitfields for optional fields")
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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commit 55e610cdd28c0ad3dce0652030c0296d549673f3 upstream.
This lock is already taken in ata_scsi_queuecmd() a few levels up the
call stack so attempting to take it here is an error. Moreover, it is
pointless in the first place since it only protects a single, atomic
assignment.
Enabling lock debugging gives the following output:
=============================================
[ INFO: possible recursive locking detected ]
4.4.0-rc5+ #189 Not tainted
---------------------------------------------
kworker/u2:3/37 is trying to acquire lock:
(&(&host->lock)->rlock){-.-...}, at: [<90283294>] sata_dwc_exec_command_by_tag.constprop.14+0x44/0x8c
but task is already holding lock:
(&(&host->lock)->rlock){-.-...}, at: [<902761ac>] ata_scsi_queuecmd+0x2c/0x330
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&host->lock)->rlock);
lock(&(&host->lock)->rlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
4 locks held by kworker/u2:3/37:
#0: ("events_unbound"){.+.+.+}, at: [<9003a0a4>] process_one_work+0x12c/0x430
#1: ((&entry->work)){+.+.+.}, at: [<9003a0a4>] process_one_work+0x12c/0x430
#2: (&bdev->bd_mutex){+.+.+.}, at: [<9011fd54>] __blkdev_get+0x50/0x380
#3: (&(&host->lock)->rlock){-.-...}, at: [<902761ac>] ata_scsi_queuecmd+0x2c/0x330
stack backtrace:
CPU: 0 PID: 37 Comm: kworker/u2:3 Not tainted 4.4.0-rc5+ #189
Workqueue: events_unbound async_run_entry_fn
Stack : 90b38e30 00000021 00000003 9b2a6040 00000000 9005f3f0 904fc8dc 00000025
906b96e4 00000000 90528648 9b3336c4 904fc8dc 9009bf18 00000002 00000004
00000000 00000000 9b3336c4 9b3336e4 904fc8dc 9003d074 00000000 90500000
9005e738 00000000 00000000 00000000 00000000 00000000 00000000 00000000
6e657665 755f7374 756f626e 0000646e 00000000 00000000 9b00ca00 9b025000
...
Call Trace:
[<90009d6c>] show_stack+0x88/0xa4
[<90057744>] __lock_acquire+0x1ce8/0x2154
[<900583e4>] lock_acquire+0x64/0x8c
[<9045ff10>] _raw_spin_lock_irqsave+0x54/0x78
[<90283294>] sata_dwc_exec_command_by_tag.constprop.14+0x44/0x8c
[<90283484>] sata_dwc_qc_issue+0x1a8/0x24c
[<9026b39c>] ata_qc_issue+0x1f0/0x410
[<90273c6c>] ata_scsi_translate+0xb4/0x200
[<90276234>] ata_scsi_queuecmd+0xb4/0x330
[<9025800c>] scsi_dispatch_cmd+0xd0/0x128
[<90259934>] scsi_request_fn+0x58c/0x638
[<901a3e50>] __blk_run_queue+0x40/0x5c
[<901a83d4>] blk_queue_bio+0x27c/0x28c
[<901a5914>] generic_make_request+0xf0/0x188
[<901a5a54>] submit_bio+0xa8/0x194
[<9011adcc>] submit_bh_wbc.isra.23+0x15c/0x17c
[<9011c908>] block_read_full_page+0x3e4/0x428
[<9009e2e0>] do_read_cache_page+0xac/0x210
[<9009fd90>] read_cache_page+0x18/0x24
[<901bbd18>] read_dev_sector+0x38/0xb0
[<901bd174>] msdos_partition+0xb4/0x5c0
[<901bcb8c>] check_partition+0x140/0x274
[<901bba60>] rescan_partitions+0xa0/0x2b0
[<9011ff68>] __blkdev_get+0x264/0x380
[<901201ac>] blkdev_get+0x128/0x36c
[<901b9378>] add_disk+0x3c0/0x4bc
[<90268268>] sd_probe_async+0x100/0x224
[<90043a44>] async_run_entry_fn+0x50/0x124
[<9003a11c>] process_one_work+0x1a4/0x430
[<9003a4f4>] worker_thread+0x14c/0x4fc
[<900408f4>] kthread+0xd0/0xe8
[<90004338>] ret_from_kernel_thread+0x14/0x1c
Fixes: 62936009f35a ("[libata] Add 460EX on-chip SATA driver, sata_dwc_460ex")
Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 210990b05a1247886539078e857cd038881bb2d6 upstream.
When the DaVinci emac driver is removed and re-probed, the actual
pdev->dev.platform_data is populated with an unwanted valid pointer saved by
the previous davinci_emac_of_get_pdata() call, causing a kernel crash when
calling priv->int_disable() in emac_int_disable().
Unable to handle kernel paging request at virtual address c8622a80
...
[<c0426fb4>] (emac_int_disable) from [<c0427700>] (emac_dev_open+0x290/0x5f8)
[<c0427700>] (emac_dev_open) from [<c04c00ec>] (__dev_open+0xb8/0x120)
[<c04c00ec>] (__dev_open) from [<c04c0370>] (__dev_change_flags+0x88/0x14c)
[<c04c0370>] (__dev_change_flags) from [<c04c044c>] (dev_change_flags+0x18/0x48)
[<c04c044c>] (dev_change_flags) from [<c052bafc>] (devinet_ioctl+0x6b4/0x7ac)
[<c052bafc>] (devinet_ioctl) from [<c04a1428>] (sock_ioctl+0x1d8/0x2c0)
[<c04a1428>] (sock_ioctl) from [<c014f054>] (do_vfs_ioctl+0x41c/0x600)
[<c014f054>] (do_vfs_ioctl) from [<c014f2a4>] (SyS_ioctl+0x6c/0x7c)
[<c014f2a4>] (SyS_ioctl) from [<c000ff60>] (ret_fast_syscall+0x0/0x1c)
Fixes: 42f59967a091 ("net: ethernet: davinci_emac: add OF support")
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3b1dbfa14f97188ec33fdfc7acb66bea59a3bb21 upstream.
The current code will set _PAGE_USER to the access flags for any
fault address, because the ~ operation will be true for all address we
take a fault on. But setting _PAGE_USER also means that the fault will
be handled only if the page table have _PAGE_USER set. Hence there is
no security hole with the current code.
Now if it is an user space access, then the change in this patch really
don't have an impact because we have (!ctx->kernel) set true
and we take the if condition true.
Now kernel context created fault on an address in the kernel range
will result in a fault loop because we will not insert the
hash pte due to access and pte permission mismatch. This patch fix
the above issue.
Fixes: f204e0b8cedd ("cxl: Driver code for powernv PCIe based cards for userspace access")
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d57019d1858a6f9b3ca05d76d793466ae428cfa3 upstream.
The driver of course "knows" that the chip's reset signal is active low,
so it drives the GPIO to 0 to reset the PHY and to 1 otherwise; however
all this will only work iff the GPIO is specified as active-high in the
device tree! I think both the driver and the device trees (if there are
any -- I was unable to find them) need to be fixed in this case...
Fixes: 13a56b449325 ("net: phy: at803x: Add support for hardware reset")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit be1faa92e83b1252d9200c59d8c98aab44463f1e upstream.
Currently the port based VLAN maps should be configured to allow every
port to egress frames on all other ports, except themselves.
The debugfs interface shows that they are misconfigured. For instance, a
7-port switch has the following content in the related register 0x06:
GLOBAL GLOBAL2 SERDES 0 1 2 3 4 5 6
...
6: 1fa4 1f0f 4 7f 7e 7d 7c 7b 7a 79
...
This means that port 3 is allowed to talk to port 2-6, but cannot talk
to ports 0 and 1. With this fix, port 3 can correctly talk to all ports
except 3 itself:
GLOBAL GLOBAL2 SERDES 0 1 2 3 4 5 6
...
6: 1fa4 1f0f 4 7e 7d 7b 77 6f 5f 3f
...
Fixes: ede8098d0fef ("net: dsa: mv88e6xxx: bridges do not need an FID")
Reported-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6333ef46bbe514a8ece6c432aab6bcf8637b2d7c upstream.
As we now free the constraints in regulator_dev_release we will still
call free on the constraints pointer even if we went down an error
path in regulator_register, because it is only allocated after the
device_register. As such we no longer need to free rdev->constraints
on the error paths, so this patch removes said frees.
Fixes: 29f5f4860a8e ("regulator: core: Move more deallocation into class unregister")
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3b89624ab54b9dc2d92fc08ce2670e5f19ad8ec8 upstream.
The code in txq_put_data() would use txq->tx_curr_desc to index the
tso_hdrs/tso_hdrs_dma buffers, for less than 8 bytes unaligned
fragments, which is already moved to the next descriptor at the
beginning of the function.
If that fragment was the last of the the skb, the next skb would use
that same space to place the ip headers, overwritting that small
fragment data.
Fixes: 91986fd3d335 (net: mv643xx_eth: Ensure proper data alignment in TSO TX path)
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Reviewed-by: Philipp Kirchhofer <philipp@familie-kirchhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit cf5da330bbdd0c06b05c525a3d1d58ccd82c87a6 upstream.
The function vxlan_dev_create() (only used by ovs) never calls
rtnl_configure_link(). The consequence is that dev->rtnl_link_state is
never set to RTNL_LINK_INITIALIZED.
During the deletion phase, the function rollback_registered_many() sends
a RTM_DELLINK only if dev->rtnl_link_state is set to RTNL_LINK_INITIALIZED.
Note that the function vxlan_dev_create() is moved after the rtnl stuff so
that vxlan_dellink() can be called in this function.
Fixes: dcc38c033b32 ("openvswitch: Re-add CONFIG_OPENVSWITCH_VXLAN")
CC: Thomas Graf <tgraf@suug.ch>
CC: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 386512d18b268c6182903239f9f3390f03ce4c7b upstream.
In case any operation fails before we can successfully go the point
where we would register a MDIO bus, we would be going to an error label
which involves unregistering then freeing this yet to be created MDIO
bus. Update all error paths to go to label free which is the only one
valid until either the clock is enabled, or the MDIO bus is allocated
and registered. This fixes kernel oops observed while trying to
dereference the MDIO bus structure which is not yet allocated.
Fixes: a1702857724f ("net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.")
Signed-off-by: Florian Fainelli <f.fainelli@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 bbec7802c6948c8626b71a4fe31283cb4691c358 upstream.
vxlan driver has bypass for local vxlan traffic, but that
depends on information about all VNIs on local system in
vxlan driver. This is not available in case of LWT.
Therefore following patch disable encap bypass for LWT
vxlan traffic.
Fixes: ee122c79d42 ("vxlan: Flow based tunneling").
Reported-by: Jakub Libosvar <jlibosva@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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