| Commit message (Collapse) | Author | Age |
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commit 926674de6705f0f1dbf29a62fd758d0977f535d6 upstream.
Some servers (e.g. Azure) do not include a spnego blob in the SMB3
negotiate protocol response, so on kerberos mounts ("sec=krb5")
we can fail, as we expected the server to list its supported
auth types (OIDs in the spnego blob in the negprot response).
Change this so that on krb5 mounts we default to trying krb5 if the
server doesn't list its supported protocol mechanisms.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1e77a8c204c9d1b655c61751b8ad0fde22421dbb upstream.
If backupuid mount option is sent, we can incorrectly retry
(on access denied on query info) with a cifs (FindFirst) operation
on an smb3 mount which causes the server to force the session close.
We set backup intent on open so no need for this fallback.
See kernel bugzilla 201435
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2c887635cd6ab3af619dc2be94e5bf8f2e172b78 upstream.
Currently, "echo 0 > /proc/fs/cifs/Stats" resets all of the stats
except the session and share reconnect counts. Fix it to
reset those as well.
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 625ef8a3acd111d5f496d190baf99d1a815bd03e upstream.
Variable retries is not initialized in ext4_da_write_inline_data_begin()
which can lead to nondeterministic number of retries in case we hit
ENOSPC. Initialize retries to zero as we do everywhere else.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Fixes: bc0ca9df3b2a ("ext4: retry allocation when inline->extent conversion failed")
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3df629d873f8683af6f0d34dfc743f637966d483 upstream.
get in sync with mount_bdev() handling of the same
Reported-by: syzbot+c54f8e94e6bba03b04e9@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ccd3c4373eacb044eb3832966299d13d2631f66f upstream.
The code cleaning transaction's lists of checkpoint buffers has a bug
where it increases bh refcount only after releasing
journal->j_list_lock. Thus the following race is possible:
CPU0 CPU1
jbd2_log_do_checkpoint()
jbd2_journal_try_to_free_buffers()
__journal_try_to_free_buffer(bh)
...
while (transaction->t_checkpoint_io_list)
...
if (buffer_locked(bh)) {
<-- IO completes now, buffer gets unlocked -->
spin_unlock(&journal->j_list_lock);
spin_lock(&journal->j_list_lock);
__jbd2_journal_remove_checkpoint(jh);
spin_unlock(&journal->j_list_lock);
try_to_free_buffers(page);
get_bh(bh) <-- accesses freed bh
Fix the problem by grabbing bh reference before unlocking
journal->j_list_lock.
Fixes: dc6e8d669cf5 ("jbd2: don't call get_bh() before calling __jbd2_journal_remove_checkpoint()")
Fixes: be1158cc615f ("jbd2: fold __process_buffer() into jbd2_log_do_checkpoint()")
Reported-by: syzbot+7f4a27091759e2fe7453@syzkaller.appspotmail.com
CC: stable@vger.kernel.org
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f18b2b83a727a3db208308057d2c7945f368e625 ]
If the starting block number of either the source or destination file
exceeds the EOF, EXT4_IOC_MOVE_EXT should return EINVAL.
Also fixed the helper function mext_check_coverage() so that if the
logical block is beyond EOF, make it return immediately, instead of
looping until the block number wraps all the away around. This takes
long enough that if there are multiple threads trying to do pound on
an the same inode doing non-sensical things, it can end up triggering
the kernel's soft lockup detector.
Reported-by: syzbot+c61979f6f2cba5cb3c06@syzkaller.appspotmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 92e2921f7eee63450a5f953f4b15dc6210219430 upstream.
When an invalid mount option is passed to jffs2, jffs2_parse_options()
will fail and jffs2_sb_info will be freed, but then jffs2_sb_info will
be used (use-after-free) and freeed (double-free) in jffs2_kill_sb().
Fix it by removing the buggy invocation of kfree() when getting invalid
mount options.
Fixes: 92abc475d8de ("jffs2: implement mount option parsing and compression overriding")
Cc: stable@kernel.org
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-0ca3fca
Linux 4.4.163
x86/time: Correct the attribute on jiffies' definition
l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6
cpuidle: Do not access cpuidle_devices when !CONFIG_CPU_IDLE
x86/percpu: Fix this_cpu_read()
sched/fair: Fix throttle_list starvation with low CFS quota
Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
USB: fix the usbfs flag sanitization for control transfers
usb: gadget: storage: Fix Spectre v1 vulnerability
cdc-acm: correct counting of UART states in serial state notification
IB/ucm: Fix Spectre v1 vulnerability
RDMA/ucma: Fix Spectre v1 vulnerability
ptp: fix Spectre v1 vulnerability
cachefiles: fix the race between cachefiles_bury_object() and rmdir(2)
ahci: don't ignore result code of ahci_reset_controller()
crypto: shash - Fix a sleep-in-atomic bug in shash_setkey_unaligned
mremap: properly flush TLB before releasing the page
rtnetlink: Disallow FDB configuration for non-Ethernet device
vhost: Fix Spectre V1 vulnerability
net: drop skb on failure in ip_check_defrag()
sctp: fix race on sctp_id2asoc
r8169: fix NAPI handling under high load
net: stmmac: Fix stmmac_mdio_reset() when building stmmac as modules
net: socket: fix a missing-check bug
net: sched: gred: pass the right attribute to gred_change_table_def()
net/ipv6: Fix index counter for unicast addresses in in6_dump_addrs
ipv6/ndisc: Preserve IPv6 control buffer if protocol error handlers are called
ipv6: mcast: fix a use-after-free in inet6_mc_check
net: bridge: remove ipv6 zero address check in mcast queries
bridge: do not add port to router list when receives query with source 0.0.0.0
perf tools: Disable parallelism for 'make clean'
mtd: spi-nor: Add support for is25wp series chips
fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters()
ARM: dts: imx53-qsb: disable 1.2GHz OPP
MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression
igb: Remove superfluous reset to PHY and page 0 selection
MIPS: microMIPS: Fix decoding of swsp16 instruction
scsi: aacraid: Fix typo in blink status
bonding: avoid defaulting hard_header_len to ETH_HLEN on slave removal
PM / devfreq: tegra: fix error return code in tegra_devfreq_probe()
ASoC: spear: fix error return code in spdif_in_probe()
spi: xlp: fix error return code in xlp_spi_probe()
spi/bcm63xx: fix error return code in bcm63xx_spi_probe()
MIPS: Handle non word sized instructions when examining frame
spi/bcm63xx-hspi: fix error return code in bcm63xx_hsspi_probe()
usb: dwc3: omap: fix error return code in dwc3_omap_probe()
usb: ehci-omap: fix error return code in ehci_hcd_omap_probe()
usb: imx21-hcd: fix error return code in imx21_probe()
gpio: msic: fix error return code in platform_msic_gpio_probe()
sparc64: Fix exception handling in UltraSPARC-III memcpy.
gpu: host1x: fix error return code in host1x_probe()
sparc64 mm: Fix more TSB sizing issues
video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu_probe()
tty: serial: sprd: fix error return code in sprd_probe()
l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()
brcmfmac: Fix glom_skb leak in brcmf_sdiod_recv_chain
gro: Allow tunnel stacking in the case of FOU/GUE
vti6: flush x-netns xfrm cache when vti interface is removed
ALSA: timer: Fix zero-division by continue of uninitialized instance
ixgbe: Correct X550EM_x revision check
ixgbe: fix RSS limit for X550
net/mlx5e: Correctly handle RSS indirection table when changing number of channels
net/mlx5e: Fix LRO modify
ixgbevf: Fix handling of NAPI budget when multiple queues are enabled per vector
fuse: Dont call set_page_dirty_lock() for ITER_BVEC pages for async_dio
drm/nouveau/fbcon: fix oops without fbdev emulation
bpf: generally move prog destruction to RCU deferral
usb-storage: fix bogus hardware error messages for ATA pass-thru devices
sch_red: update backlog as well
sparc/pci: Refactor dev_archdata initialization into pci_init_dev_archdata
scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state
xfrm: Clear sk_dst_cache when applying per-socket policy.
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
CIFS: handle guest access errors to Windows shares
ASoC: wm8940: Enable cache usage to fix crashes on resume
ASoC: ak4613: Enable cache usage to fix crashes on resume
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
usbvision: revert commit 588afcc1
perf/core: Don't leak event in the syscall error path
aacraid: Start adapter after updating number of MSIX vectors
x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
tpm: fix: return rc when devm_add_action() fails
thermal: allow u8500-thermal driver to be a module
thermal: allow spear-thermal driver to be a module
btrfs: don't create or leak aliased root while cleaning up orphans
sched/cgroup: Fix cgroup entity load tracking tear-down
um: Avoid longjmp/setjmp symbol clashes with libpthread.a
ipv6: orphan skbs in reassembly unit
net/mlx4_en: Resolve dividing by zero in 32-bit system
af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers
radix-tree: fix radix_tree_iter_retry() for tagged iterators.
x86/mm/pat: Prevent hang during boot when mapping pages
ARM: dts: apq8064: add ahci ports-implemented mask
tracing: Skip more functions when doing stack tracing of events
ser_gigaset: use container_of() instead of detour
net: drop write-only stack variable
ipv6: suppress sparse warnings in IP6_ECN_set_ce()
KEYS: put keyring if install_session_keyring_to_cred() fails
net: cxgb3_main: fix a missing-check bug
perf/ring_buffer: Prevent concurent ring buffer access
smsc95xx: Check for Wake-on-LAN modes
smsc75xx: Check for Wake-on-LAN modes
r8152: Check for supported Wake-on-LAN Modes
sr9800: Check for supported Wake-on-LAN modes
lan78xx: Check for supported Wake-on-LAN modes
ax88179_178a: Check for supported Wake-on-LAN modes
asix: Check for supported Wake-on-LAN modes
pxa168fb: prepare the clock
Bluetooth: SMP: fix crash in unpairing
mac80211_hwsim: do not omit multicast announce of first added radio
xfrm: validate template mode
ARM: 8799/1: mm: fix pci_ioremap_io() offset check
cfg80211: reg: Init wiphy_idx in regulatory_hint_core()
mac80211: Always report TX status
xfrm6: call kfree_skb when skb is toobig
xfrm: Validate address prefix lengths in the xfrm selector.
BACKPORT: xfrm: Allow Output Mark to be Updated Using UPDSA
ANDROID: sdcardfs: Add option to drop unused dentries
f2fs: guarantee journalled quota data by checkpoint
f2fs: cleanup dirty pages if recover failed
f2fs: fix data corruption issue with hardware encryption
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to spread clear_cold_data()
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
f2fs: account read IOs and use IO counts for is_idle
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to account IO correctly
f2fs: remove request_list check in is_idle()
f2fs: allow to mount, if quota is failed
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: do not update REQ_TIME in case of error conditions
f2fs: remove unneeded disable_nat_bits()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: fix to recover cold bit of inode block during POR
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: checkpoint disabling
f2fs: clear PageError on the read path
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: refactor ->page_mkwrite() flow
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: support superblock checksum
f2fs: add to account skip count of background GC
f2fs: add to account meta IO
f2fs: keep lazytime on remount
f2fs: fix missing up_read
f2fs: return correct errno in f2fs_gc
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: fix to recover inode's crtime during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's project id during POR
f2fs: update i_size after DIO completion
f2fs: report ENOENT correctly in f2fs_rename
f2fs: fix remount problem of option io_bits
f2fs: fix to recover inode's uid/gid during POR
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: add new idle interval timing for discard and gc paths
f2fs: split IO error injection according to RW
f2fs: add SPDX license identifiers
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: avoid sleeping under spin_lock
f2fs: plug readahead IO in readdir()
f2fs: fix to do sanity check with current segment number
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix memory leak of write_io in fill_super()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: report error if quota off error during umount
f2fs: submit bio after shutdown
f2fs: avoid wrong decrypted data from disk
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: fix to avoid NULL pointer dereference on se->discard_map
f2fs: add additional sanity check in f2fs_acl_from_disk()
Revert "BACKPORT, FROMLIST: fscrypt: add Speck128/256 support"
Build fix for 076c36fce1ea0.
Revert "BACKPORT, FROMGIT: crypto: speck - add support for the Speck block cipher"
Revert "FROMGIT: crypto: speck - export common helpers"
Revert "BACKPORT, FROMGIT: crypto: arm/speck - add NEON-accelerated implementation of Speck-XTS"
Revert "BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck128-XTS"
Revert "BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck64-XTS"
Revert "BACKPORT, FROMLIST: crypto: arm64/speck - add NEON-accelerated implementation of Speck-XTS"
Revert "fscrypt: add Speck128/256 support"
UPSTREAM: loop: Add LOOP_SET_BLOCK_SIZE in compat ioctl
BACKPORT: block/loop: set hw_sectors
UPSTREAM: loop: add ioctl for changing logical block size
Conflicts:
fs/ext4/crypto.c
fs/ext4/ext4.h
Change-Id: I8cb2f70b27906879f8e8fdd90e67f438e39701b8
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.163
xfrm: Validate address prefix lengths in the xfrm selector.
xfrm6: call kfree_skb when skb is toobig
mac80211: Always report TX status
cfg80211: reg: Init wiphy_idx in regulatory_hint_core()
ARM: 8799/1: mm: fix pci_ioremap_io() offset check
xfrm: validate template mode
mac80211_hwsim: do not omit multicast announce of first added radio
Bluetooth: SMP: fix crash in unpairing
pxa168fb: prepare the clock
asix: Check for supported Wake-on-LAN modes
ax88179_178a: Check for supported Wake-on-LAN modes
lan78xx: Check for supported Wake-on-LAN modes
sr9800: Check for supported Wake-on-LAN modes
r8152: Check for supported Wake-on-LAN Modes
smsc75xx: Check for Wake-on-LAN modes
smsc95xx: Check for Wake-on-LAN modes
perf/ring_buffer: Prevent concurent ring buffer access
net: cxgb3_main: fix a missing-check bug
KEYS: put keyring if install_session_keyring_to_cred() fails
ipv6: suppress sparse warnings in IP6_ECN_set_ce()
net: drop write-only stack variable
ser_gigaset: use container_of() instead of detour
tracing: Skip more functions when doing stack tracing of events
ARM: dts: apq8064: add ahci ports-implemented mask
x86/mm/pat: Prevent hang during boot when mapping pages
radix-tree: fix radix_tree_iter_retry() for tagged iterators.
af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers
net/mlx4_en: Resolve dividing by zero in 32-bit system
ipv6: orphan skbs in reassembly unit
um: Avoid longjmp/setjmp symbol clashes with libpthread.a
sched/cgroup: Fix cgroup entity load tracking tear-down
btrfs: don't create or leak aliased root while cleaning up orphans
thermal: allow spear-thermal driver to be a module
thermal: allow u8500-thermal driver to be a module
tpm: fix: return rc when devm_add_action() fails
x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
aacraid: Start adapter after updating number of MSIX vectors
perf/core: Don't leak event in the syscall error path
usbvision: revert commit 588afcc1
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
ASoC: ak4613: Enable cache usage to fix crashes on resume
ASoC: wm8940: Enable cache usage to fix crashes on resume
CIFS: handle guest access errors to Windows shares
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
xfrm: Clear sk_dst_cache when applying per-socket policy.
scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state
sparc/pci: Refactor dev_archdata initialization into pci_init_dev_archdata
sch_red: update backlog as well
usb-storage: fix bogus hardware error messages for ATA pass-thru devices
bpf: generally move prog destruction to RCU deferral
drm/nouveau/fbcon: fix oops without fbdev emulation
fuse: Dont call set_page_dirty_lock() for ITER_BVEC pages for async_dio
ixgbevf: Fix handling of NAPI budget when multiple queues are enabled per vector
net/mlx5e: Fix LRO modify
net/mlx5e: Correctly handle RSS indirection table when changing number of channels
ixgbe: fix RSS limit for X550
ixgbe: Correct X550EM_x revision check
ALSA: timer: Fix zero-division by continue of uninitialized instance
vti6: flush x-netns xfrm cache when vti interface is removed
gro: Allow tunnel stacking in the case of FOU/GUE
brcmfmac: Fix glom_skb leak in brcmf_sdiod_recv_chain
l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()
tty: serial: sprd: fix error return code in sprd_probe()
video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu_probe()
sparc64 mm: Fix more TSB sizing issues
gpu: host1x: fix error return code in host1x_probe()
sparc64: Fix exception handling in UltraSPARC-III memcpy.
gpio: msic: fix error return code in platform_msic_gpio_probe()
usb: imx21-hcd: fix error return code in imx21_probe()
usb: ehci-omap: fix error return code in ehci_hcd_omap_probe()
usb: dwc3: omap: fix error return code in dwc3_omap_probe()
spi/bcm63xx-hspi: fix error return code in bcm63xx_hsspi_probe()
MIPS: Handle non word sized instructions when examining frame
spi/bcm63xx: fix error return code in bcm63xx_spi_probe()
spi: xlp: fix error return code in xlp_spi_probe()
ASoC: spear: fix error return code in spdif_in_probe()
PM / devfreq: tegra: fix error return code in tegra_devfreq_probe()
bonding: avoid defaulting hard_header_len to ETH_HLEN on slave removal
scsi: aacraid: Fix typo in blink status
MIPS: microMIPS: Fix decoding of swsp16 instruction
igb: Remove superfluous reset to PHY and page 0 selection
MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression
ARM: dts: imx53-qsb: disable 1.2GHz OPP
fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters()
mtd: spi-nor: Add support for is25wp series chips
perf tools: Disable parallelism for 'make clean'
bridge: do not add port to router list when receives query with source 0.0.0.0
net: bridge: remove ipv6 zero address check in mcast queries
ipv6: mcast: fix a use-after-free in inet6_mc_check
ipv6/ndisc: Preserve IPv6 control buffer if protocol error handlers are called
net/ipv6: Fix index counter for unicast addresses in in6_dump_addrs
net: sched: gred: pass the right attribute to gred_change_table_def()
net: socket: fix a missing-check bug
net: stmmac: Fix stmmac_mdio_reset() when building stmmac as modules
r8169: fix NAPI handling under high load
sctp: fix race on sctp_id2asoc
net: drop skb on failure in ip_check_defrag()
vhost: Fix Spectre V1 vulnerability
rtnetlink: Disallow FDB configuration for non-Ethernet device
mremap: properly flush TLB before releasing the page
crypto: shash - Fix a sleep-in-atomic bug in shash_setkey_unaligned
ahci: don't ignore result code of ahci_reset_controller()
cachefiles: fix the race between cachefiles_bury_object() and rmdir(2)
ptp: fix Spectre v1 vulnerability
RDMA/ucma: Fix Spectre v1 vulnerability
IB/ucm: Fix Spectre v1 vulnerability
cdc-acm: correct counting of UART states in serial state notification
usb: gadget: storage: Fix Spectre v1 vulnerability
USB: fix the usbfs flag sanitization for control transfers
Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
sched/fair: Fix throttle_list starvation with low CFS quota
x86/percpu: Fix this_cpu_read()
cpuidle: Do not access cpuidle_devices when !CONFIG_CPU_IDLE
l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6
x86/time: Correct the attribute on jiffies' definition
Linux 4.4.163
Change-Id: Idb0efd175853886145a1fb7eaaf18797c39e5f6f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 169b803397499be85bdd1e3d07d6f5e3d4bd669e upstream.
the victim might've been rmdir'ed just before the lock_rename();
unlike the normal callers, we do not look the source up after the
parents are locked - we know it beforehand and just recheck that it's
still the child of what used to be its parent. Unfortunately,
the check is too weak - we don't spot a dead directory since its
->d_parent is unchanged, dentry is positive, etc. So we sail all
the way to ->rename(), with hosting filesystems _not_ expecting
to be asked renaming an rmdir'ed subdirectory.
The fix is easy, fortunately - the lock on parent is sufficient for
making IS_DEADDIR() on child safe.
Cc: stable@vger.kernel.org
Fixes: 9ae326a69004 (CacheFiles: A cache that backs onto a mounted filesystem)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ac081c3be3fae6d0cc3e1862507fca3862d30b67 ]
On non-preempt kernels this loop can take a long time (more than 50 ticks)
processing through entries.
Link: http://lkml.kernel.org/r/20181010172623.57033-1-khazhy@google.com
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 61c12b49e1c9c77d7a1bcc161de540d0fd21cf0c ]
Commit 8fba54aebbdf ("fuse: direct-io: don't dirty ITER_BVEC pages") fixes
the ITER_BVEC page deadlock for direct io in fuse by checking in
fuse_direct_io(), whether the page is a bvec page or not, before locking
it. However, this check is missed when the "async_dio" mount option is
enabled. In this case, set_page_dirty_lock() is called from the req->end
callback in request_end(), when the fuse thread is returning from userspace
to respond to the read request. This will cause the same deadlock because
the bvec condition is not checked in this path.
Here is the stack of the deadlocked thread, while returning from userspace:
[13706.656686] INFO: task glusterfs:3006 blocked for more than 120 seconds.
[13706.657808] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[13706.658788] glusterfs D ffffffff816c80f0 0 3006 1
0x00000080
[13706.658797] ffff8800d6713a58 0000000000000086 ffff8800d9ad7000
ffff8800d9ad5400
[13706.658799] ffff88011ffd5cc0 ffff8800d6710008 ffff88011fd176c0
7fffffffffffffff
[13706.658801] 0000000000000002 ffffffff816c80f0 ffff8800d6713a78
ffffffff816c790e
[13706.658803] Call Trace:
[13706.658809] [<ffffffff816c80f0>] ? bit_wait_io_timeout+0x80/0x80
[13706.658811] [<ffffffff816c790e>] schedule+0x3e/0x90
[13706.658813] [<ffffffff816ca7e5>] schedule_timeout+0x1b5/0x210
[13706.658816] [<ffffffff81073ffb>] ? gup_pud_range+0x1db/0x1f0
[13706.658817] [<ffffffff810668fe>] ? kvm_clock_read+0x1e/0x20
[13706.658819] [<ffffffff81066909>] ? kvm_clock_get_cycles+0x9/0x10
[13706.658822] [<ffffffff810f5792>] ? ktime_get+0x52/0xc0
[13706.658824] [<ffffffff816c6f04>] io_schedule_timeout+0xa4/0x110
[13706.658826] [<ffffffff816c8126>] bit_wait_io+0x36/0x50
[13706.658828] [<ffffffff816c7d06>] __wait_on_bit_lock+0x76/0xb0
[13706.658831] [<ffffffffa0545636>] ? lock_request+0x46/0x70 [fuse]
[13706.658834] [<ffffffff8118800a>] __lock_page+0xaa/0xb0
[13706.658836] [<ffffffff810c8500>] ? wake_atomic_t_function+0x40/0x40
[13706.658838] [<ffffffff81194d08>] set_page_dirty_lock+0x58/0x60
[13706.658841] [<ffffffffa054d968>] fuse_release_user_pages+0x58/0x70 [fuse]
[13706.658844] [<ffffffffa0551430>] ? fuse_aio_complete+0x190/0x190 [fuse]
[13706.658847] [<ffffffffa0551459>] fuse_aio_complete_req+0x29/0x90 [fuse]
[13706.658849] [<ffffffffa05471e9>] request_end+0xd9/0x190 [fuse]
[13706.658852] [<ffffffffa0549126>] fuse_dev_do_write+0x336/0x490 [fuse]
[13706.658854] [<ffffffffa054963e>] fuse_dev_write+0x6e/0xa0 [fuse]
[13706.658857] [<ffffffff812a9ef3>] ? security_file_permission+0x23/0x90
[13706.658859] [<ffffffff81205300>] do_iter_readv_writev+0x60/0x90
[13706.658862] [<ffffffffa05495d0>] ? fuse_dev_splice_write+0x350/0x350
[fuse]
[13706.658863] [<ffffffff812062a1>] do_readv_writev+0x171/0x1f0
[13706.658866] [<ffffffff810b3d00>] ? try_to_wake_up+0x210/0x210
[13706.658868] [<ffffffff81206361>] vfs_writev+0x41/0x50
[13706.658870] [<ffffffff81206496>] SyS_writev+0x56/0xf0
[13706.658872] [<ffffffff810257a1>] ? syscall_trace_leave+0xf1/0x160
[13706.658874] [<ffffffff816cbb2e>] system_call_fastpath+0x12/0x71
Fix this by making should_dirty a fuse_io_priv parameter that can be
checked in fuse_aio_complete_req().
Reported-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Ashish Samant <ashish.samant@oracle.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 40920c2bb119fd49ba03e2f97a172171781be442 ]
Commit 1a967d6c9b39c226be1b45f13acd4d8a5ab3dc44 ("correctly to
anonymous authentication for the NTLM(v2) authentication") introduces
a regression in handling errors related to attempting a guest
connection to a Windows share which requires authentication. This
should result in a permission denied error but actually causes the
kernel module to enter a never-ending loop trying to follow a DFS
referal which doesn't exist.
The base cause of this is the failure now occurs later in the process
during tree connect and not at the session setup setup and all errors
in tree connect are interpreted as needing to follow the DFS paths
which isn't in this case correct. So, check the returned error against
EACCES and fail if this is returned error.
Feedback from Aurelien:
PS> net user guest /activate:no
PS> mkdir C:\guestshare
PS> icacls C:\guestshare /grant 'Everyone:(OI)(CI)F'
PS> new-smbshare -name guestshare -path C:\guestshare -fullaccess Everyone
I've tested v3.10, v4.4, master, master+your patch using default options
(empty or no user "NU") and user=abc (U).
NT_LOGON_FAILURE in session setup: LF
This is what you seem to have in 3.10.
NT_ACCESS_DENIED in tree connect to the share: AD
This is what you get before your infinite loop.
| NU U
--------------------------------
3.10 | LF LF
4.4 | LF LF
master | AD LF
master+patch | AD LF
No infinite DFS loop :(
All these issues result in mount failing very fast with permission denied.
I guess it could be from either the Windows version or the share/folder
ACL. A deeper analysis of the packets might reveal more.
In any case I did not notice any issues for on a basic DFS setup with
the patch so I don't think it introduced any regressions, which is
probably all that matters. It still bothers me a little I couldn't hit
the bug.
I've included kernel output w/ debugging output and network capture of
my tests if anyone want to have a look at it. (master+patch = ml-guestfix).
Signed-off-by: Mark Syms <mark.syms@citrix.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Tested-by: Aurelien Aptel <aaptel@suse.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 35bbb97fc898aeb874cb7c8b746f091caa359994 ]
commit 909c3a22da3 (Btrfs: fix loading of orphan roots leading to BUG_ON)
avoids the BUG_ON but can add an aliased root to the dead_roots list or
leak the root.
Since we've already been loading roots into the radix tree, we should
use it before looking the root up on disk.
Cc: <stable@vger.kernel.org> # 4.5
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This adds the nocache mount option, which will cause sdcardfs to always
drop dentries that are not in use, preventing cached entries from
holding on to lower dentries, which could cause strange behavior when
bypassing the sdcardfs layer and directly changing the lower fs.
Change-Id: I70268584a20b989ae8cfdd278a2e4fa1605217fb
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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* origin/upstream-f2fs-stable-linux-4.4.y:
f2fs: guarantee journalled quota data by checkpoint
f2fs: cleanup dirty pages if recover failed
f2fs: fix data corruption issue with hardware encryption
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to spread clear_cold_data()
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
f2fs: account read IOs and use IO counts for is_idle
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to account IO correctly
f2fs: remove request_list check in is_idle()
f2fs: allow to mount, if quota is failed
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: do not update REQ_TIME in case of error conditions
f2fs: remove unneeded disable_nat_bits()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: fix to recover cold bit of inode block during POR
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: checkpoint disabling
f2fs: clear PageError on the read path
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: refactor ->page_mkwrite() flow
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: support superblock checksum
f2fs: add to account skip count of background GC
f2fs: add to account meta IO
f2fs: keep lazytime on remount
f2fs: fix missing up_read
f2fs: return correct errno in f2fs_gc
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: fix to recover inode's crtime during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's project id during POR
f2fs: update i_size after DIO completion
f2fs: report ENOENT correctly in f2fs_rename
f2fs: fix remount problem of option io_bits
f2fs: fix to recover inode's uid/gid during POR
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: add new idle interval timing for discard and gc paths
f2fs: split IO error injection according to RW
f2fs: add SPDX license identifiers
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: avoid sleeping under spin_lock
f2fs: plug readahead IO in readdir()
f2fs: fix to do sanity check with current segment number
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix memory leak of write_io in fill_super()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: report error if quota off error during umount
f2fs: submit bio after shutdown
f2fs: avoid wrong decrypted data from disk
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: fix to avoid NULL pointer dereference on se->discard_map
f2fs: add additional sanity check in f2fs_acl_from_disk()
Conflicts:
fs/f2fs/data.c
Change-Id: I95097a969bbd23c2009106b07be8a1eeec675b1c
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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For journalled quota mode, let checkpoint to flush dquot dirty data
and quota file data to guarntee persistence of all quota sysfile in
last checkpoint, by this way, we can avoid corrupting quota sysfile
when encountering SPO.
The implementation is as below:
1. add a global state SBI_QUOTA_NEED_FLUSH to indicate that there is
cached dquot metadata changes in quota subsystem, and later checkpoint
should:
a) flush dquot metadata into quota file.
b) flush quota file to storage to keep file usage be consistent.
2. add a global state SBI_QUOTA_NEED_REPAIR to indicate that quota
operation failed due to -EIO or -ENOSPC, so later,
a) checkpoint will skip syncing dquot metadata.
b) CP_QUOTA_NEED_FSCK_FLAG will be set in last cp pack to give a
hint for fsck repairing.
3. add a global state SBI_QUOTA_SKIP_FLUSH, in checkpoint, if quota
data updating is very heavy, it may cause hungtask in block_operation().
To avoid this, if our retry time exceed threshold, let's just skip
flushing and retry in next checkpoint().
Signed-off-by: Weichao Guo <guoweichao@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: avoid warnings and set fsck flag]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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During recover, we will try to create new dentries for inodes with
dentry_mark. But if the parent is missing (e.g. killed by fsck),
recover will break. But those recovered dirty pages are not cleanup.
This will hit f2fs_bug_on:
[ 53.519566] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 53.539354] F2FS-fs (loop0): recover_inode: ino = 5, name = file, inline = 3
[ 53.539402] F2FS-fs (loop0): recover_dentry: ino = 5, name = file, dir = 0, err = -2
[ 53.545760] F2FS-fs (loop0): Cannot recover all fsync data errno=-2
[ 53.546105] F2FS-fs (loop0): access invalid blkaddr:4294967295
[ 53.546171] WARNING: CPU: 1 PID: 1798 at fs/f2fs/checkpoint.c:163 f2fs_is_valid_blkaddr+0x26c/0x320
[ 53.546174] Modules linked in:
[ 53.546183] CPU: 1 PID: 1798 Comm: mount Not tainted 4.19.0-rc2+ #1
[ 53.546186] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 53.546191] RIP: 0010:f2fs_is_valid_blkaddr+0x26c/0x320
[ 53.546195] Code: 85 bb 00 00 00 48 89 df 88 44 24 07 e8 ad a8 db ff 48 8b 3b 44 89 e1 48 c7 c2 40 03 72 a9 48 c7 c6 e0 01 72 a9 e8 84 3c ff ff <0f> 0b 0f b6 44 24 07 e9 8a 00 00 00 48 8d bf 38 01 00 00 e8 7c a8
[ 53.546201] RSP: 0018:ffff88006c067768 EFLAGS: 00010282
[ 53.546208] RAX: 0000000000000000 RBX: ffff880068844200 RCX: ffffffffa83e1a33
[ 53.546211] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88006d51e590
[ 53.546215] RBP: 0000000000000005 R08: ffffed000daa3cb3 R09: ffffed000daa3cb3
[ 53.546218] R10: 0000000000000001 R11: ffffed000daa3cb2 R12: 00000000ffffffff
[ 53.546221] R13: ffff88006a1f8000 R14: 0000000000000200 R15: 0000000000000009
[ 53.546226] FS: 00007fb2f3646840(0000) GS:ffff88006d500000(0000) knlGS:0000000000000000
[ 53.546229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.546234] CR2: 00007f0fd77f0008 CR3: 00000000687e6002 CR4: 00000000000206e0
[ 53.546237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.546240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.546242] Call Trace:
[ 53.546248] f2fs_submit_page_bio+0x95/0x740
[ 53.546253] read_node_page+0x161/0x1e0
[ 53.546271] ? truncate_node+0x650/0x650
[ 53.546283] ? add_to_page_cache_lru+0x12c/0x170
[ 53.546288] ? pagecache_get_page+0x262/0x2d0
[ 53.546292] __get_node_page+0x200/0x660
[ 53.546302] f2fs_update_inode_page+0x4a/0x160
[ 53.546306] f2fs_write_inode+0x86/0xb0
[ 53.546317] __writeback_single_inode+0x49c/0x620
[ 53.546322] writeback_single_inode+0xe4/0x1e0
[ 53.546326] sync_inode_metadata+0x93/0xd0
[ 53.546330] ? sync_inode+0x10/0x10
[ 53.546342] ? do_raw_spin_unlock+0xed/0x100
[ 53.546347] f2fs_sync_inode_meta+0xe0/0x130
[ 53.546351] f2fs_fill_super+0x287d/0x2d10
[ 53.546367] ? vsnprintf+0x742/0x7a0
[ 53.546372] ? f2fs_commit_super+0x180/0x180
[ 53.546379] ? up_write+0x20/0x40
[ 53.546385] ? set_blocksize+0x5f/0x140
[ 53.546391] ? f2fs_commit_super+0x180/0x180
[ 53.546402] mount_bdev+0x181/0x200
[ 53.546406] mount_fs+0x94/0x180
[ 53.546411] vfs_kern_mount+0x6c/0x1e0
[ 53.546415] do_mount+0xe5e/0x1510
[ 53.546420] ? fs_reclaim_release+0x9/0x30
[ 53.546424] ? copy_mount_string+0x20/0x20
[ 53.546428] ? fs_reclaim_acquire+0xd/0x30
[ 53.546435] ? __might_sleep+0x2c/0xc0
[ 53.546440] ? ___might_sleep+0x53/0x170
[ 53.546453] ? __might_fault+0x4c/0x60
[ 53.546468] ? _copy_from_user+0x95/0xa0
[ 53.546474] ? memdup_user+0x39/0x60
[ 53.546478] ksys_mount+0x88/0xb0
[ 53.546482] __x64_sys_mount+0x5d/0x70
[ 53.546495] do_syscall_64+0x65/0x130
[ 53.546503] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 53.547639] ---[ end trace b804d1ea2fec893e ]---
So if recover fails, we need to drop all recovered data.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Direct IO can be used in case of hardware encryption. The following
scenario results into data corruption issue in this path -
Thread A - Thread B-
-> write file#1 in direct IO
-> GC gets kicked in
-> GC submitted bio on meta mapping
for file#1, but pending completion
-> write file#1 again with new data
in direct IO
-> GC bio gets completed now
-> GC writes old data to the new
location and thus file#1 is
corrupted.
Fix this by submitting and waiting for pending io on meta mapping
for direct IO case in f2fs_map_blocks().
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Testcase to reproduce this bug:
1. mkfs.f2fs /dev/sdd
2. mount -t f2fs /dev/sdd /mnt/f2fs
3. touch /mnt/f2fs/file
4. sync
5. chattr +a /mnt/f2fs/file
6. xfs_io -a /mnt/f2fs/file -c "fsync"
7. godown /mnt/f2fs
8. umount /mnt/f2fs
9. mount -t f2fs /dev/sdd /mnt/f2fs
10. xfs_io /mnt/f2fs/file
There is no error when opening this file w/o O_APPEND, but actually,
we expect the correct result should be:
/mnt/f2fs/file: Operation not permitted
The root cause is, in recover_inode(), we recover inode->i_flags more
than F2FS_I(inode)->i_flags, so fix it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch changes codes as below:
- use f2fs_set_inode_flags() to update i_flags atomically to avoid
potential race.
- synchronize F2FS_I(inode)->i_flags to inode->i_flags in
f2fs_new_inode().
- use f2fs_set_inode_flags() to simply codes in f2fs_quota_{on,off}.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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We need to drop PG_checked flag on page as well when we clear PG_uptodate
flag, in order to avoid treating the page as GCing one later.
Signed-off-by: Weichao Guo <guoweichao@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This reverts commit 66110abc4c931f879d70e83e1281f891699364bf.
If we clear the cold data flag out of the writeback flow, we can miscount
-1 by end_io, which incurs a deadlock caused by all I/Os being blocked during
heavy GC.
Balancing F2FS Async:
- IO (CP: 1, Data: -1, Flush: ( 0 0 1), Discard: ( ...
GC thread: IRQ
- move_data_page()
- set_page_dirty()
- clear_cold_data()
- f2fs_write_end_io()
- type = WB_DATA_TYPE(page);
here, we get wrong type
- dec_page_count(sbi, type);
- f2fs_wait_on_page_writeback()
Cc: <stable@vger.kernel.org>
Reported-and-Tested-by: Park Ju Hyung <qkrwngud825@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds issued read IO counts which is under block layer.
Chao modified a bit, since:
Below race can cause reversed reference on F2FS_RD_DATA, there is
the same issue in f2fs_submit_page_bio(), fix them by relocate
__submit_bio() and inc_page_count.
Thread A Thread B
- f2fs_write_begin
- f2fs_submit_page_read
- __submit_bio
- f2fs_read_end_io
- __read_end_io
- dec_page_count(, F2FS_RD_DATA)
- inc_page_count(, F2FS_RD_DATA)
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Now, we have supported cgroup writeback, it depends on correctly IO
account of specified filesystem.
But in commit d1b3e72d5490 ("f2fs: submit bio of in-place-update pages"),
we split write paths from f2fs_submit_page_mbio() to two:
- f2fs_submit_page_bio() for IPU path
- f2fs_submit_page_bio() for OPU path
But still we account write IO only in f2fs_submit_page_mbio(), result in
incorrect IO account, fix it by adding missing IO account in IPU path.
Fixes: d1b3e72d5490 ("f2fs: submit bio of in-place-update pages")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Below race can cause reversed reference on dirty count, fix it by
relocating __submit_bio() and inc_page_count().
Thread A Thread B
- f2fs_inplace_write_data
- f2fs_submit_page_bio
- __submit_bio
- f2fs_write_end_io
- dec_page_count
- inc_page_count
Cc: <stable@vger.kernel.org>
Fixes: d1b3e72d5490 ("f2fs: submit bio of in-place-update pages")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This doesn't work on stacked devices, and it doesn't work on
blk-mq devices. The request_list is only used on legacy, which
we don't have much of anymore, and soon won't have any of.
Kill the check.
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Since we can use the filesystem without quotas till next boot.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Update REQ_TIME in the missing path - f2fs_cross_rename().
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
[Jaegeuk Kim: add it in f2fs_rename()]
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The REQ_TIME should be updated only in case of success cases
as followed at all other places in the file system.
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Commit 7735730d39d7 ("f2fs: fix to propagate error from __get_meta_page()")
added disable_nat_bits() in error path of __get_nat_bitmaps(), but it's
unneeded, beause we will fail mount, we won't have chance to change nid
usage status w/o nat full/empty bitmaps.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Commit a2a12b679f36 ("f2fs: export SSR allocation threshold") introduced
two threshold .min_ssr_sections and .trigger_ssr_threshold, but only
.min_ssr_sections is used, so just remove redundant one for cleanup.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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file_set_{cold,hot} doesn't need holding sbi->sb_lock, so moving them
out of the lock.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Testcase to reproduce this bug:
1. mkfs.f2fs /dev/sdd
2. mount -t f2fs /dev/sdd /mnt/f2fs
3. touch /mnt/f2fs/file
4. sync
5. chattr +A /mnt/f2fs/file
6. xfs_io -f /mnt/f2fs/file -c "fsync"
7. godown /mnt/f2fs
8. umount /mnt/f2fs
9. mount -t f2fs /dev/sdd /mnt/f2fs
10. chattr -A /mnt/f2fs/file
11. xfs_io -f /mnt/f2fs/file -c "fsync"
12. umount /mnt/f2fs
13. mount -t f2fs /dev/sdd /mnt/f2fs
14. lsattr /mnt/f2fs/file
-----------------N- /mnt/f2fs/file
But actually, we expect the corrct result is:
-------A---------N- /mnt/f2fs/file
The reason is in step 9) we missed to recover cold bit flag in inode
block, so later, in fsync, we will skip write inode block due to below
condition check, result in lossing data in another SPOR.
f2fs_fsync_node_pages()
if (!IS_DNODE(page) || !is_cold_node(page))
continue;
Note that, I guess that some non-dir inode has already lost cold bit
during POR, so in order to reenable recovery for those inode, let's
try to recover cold bit in f2fs_iget() to save more fsynced data.
Fixes: c56675750d7c ("f2fs: remove unneeded set_cold_node()")
Cc: <stable@vger.kernel.org> 4.17+
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When migrating encrypted block from background GC thread, we only add
them into f2fs inner bio cache, but forget to submit the cached bio, it
may cause potential deadlock when we are waiting page writebacked, fix
it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Note that, it requires "f2fs: return correct errno in f2fs_gc".
This adds a lightweight non-persistent snapshotting scheme to f2fs.
To use, mount with the option checkpoint=disable, and to return to
normal operation, remount with checkpoint=enable. If the filesystem
is shut down before remounting with checkpoint=enable, it will revert
back to its apparent state when it was first mounted with
checkpoint=disable. This is useful for situations where you wish to be
able to roll back the state of the disk in case of some critical
failure.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
[Jaegeuk Kim: use SB_RDONLY instead of MS_RDONLY]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When running fault injection test, I hit somewhat wrong behavior in f2fs_gc ->
gc_data_segment():
0. fault injection generated some PageError'ed pages
1. gc_data_segment
-> f2fs_get_read_data_page(REQ_RAHEAD)
2. move_data_page
-> f2fs_get_lock_data_page()
-> f2f_get_read_data_page()
-> f2fs_submit_page_read()
-> submit_bio(READ)
-> return EIO due to PageError
-> fail to move data
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Normally, DIO uses in-pllace-update, but in LFS mode, f2fs doesn't
allow triggering any in-place-update writes, so we fallback direct
write to buffered write, result in bad performance of large size
write.
This patch adds to support triggering out-place-update for direct IO
to enhance its performance.
Note that it needs to exclude direct read IO during direct write,
since new data writing to new block address will no be valid until
write finished.
storage: zram
time xfs_io -f -d /mnt/f2fs/file -c "pwrite 0 1073741824" -c "fsync"
Before:
real 0m13.061s
user 0m0.327s
sys 0m12.486s
After:
real 0m6.448s
user 0m0.228s
sys 0m6.212s
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Thread A Thread B
- f2fs_vm_page_mkwrite
- f2fs_setattr
- down_write(i_mmap_sem)
- truncate_setsize
- f2fs_truncate
- up_write(i_mmap_sem)
- f2fs_reserve_block
reserve NEW_ADDR
- skip dirty page due to truncation
1. we don't need to rserve new block address for a truncated page.
2. dn.data_blkaddr is used out of node page lock coverage.
Refactor ->page_mkwrite() flow to fix above issues:
- use __do_map_lock() to avoid racing checkpoint()
- lock data page in prior to dnode page
- cover f2fs_reserve_block with i_mmap_sem lock
- wait page writeback before zeroing page
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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There is one case that we can leave bio in f2fs, result in hanging
page writeback waiter.
Thread A Thread B
- f2fs_write_cache_pages
- f2fs_submit_page_write
page #0 cached in bio #0 of cold log
- f2fs_submit_page_write
page #1 cached in bio #1 of warm log
- f2fs_write_cache_pages
- f2fs_submit_page_write
bio is full, submit bio #1 contain page #1
- f2fs_submit_merged_write_cond(, page #1)
fail to submit bio #0 due to page #1 is not in any cached bios.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Now we support crc32 checksum for superblock.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds to account skip count of background GC, and show stat
info via 'status' debugfs entry.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch supports to account meta IO, it enables to show write IO
from f2fs more comprehensively via 'status' debugfs entry.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch fixes losing lazytime when remounting f2fs.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch fixes missing up_read call.
Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area")
Cc: <stable@vger.kernel.org> # 4.19+
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This fixes overriding error number in f2fs_gc.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch avoids BUG_ON when f2fs_get_meta_page_nofail got EIO during
xfstests/generic/475.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Mark inode dirty explicitly in the end of recover_inode() to make sure
that all recoverable fields can be persisted later.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Testcase to reproduce this bug:
1. mkfs.f2fs -O extra_attr -O inode_crtime /dev/sdd
2. mount -t f2fs /dev/sdd /mnt/f2fs
3. touch /mnt/f2fs/file
4. xfs_io -f /mnt/f2fs/file -c "fsync"
5. godown /mnt/f2fs
6. umount /mnt/f2fs
7. mount -t f2fs /dev/sdd /mnt/f2fs
8. xfs_io -f /mnt/f2fs/file -c "statx -r"
stat.btime.tv_sec = 0
stat.btime.tv_nsec = 0
This patch fixes to recover inode creation time fields during
mount.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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