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Chao Yu f9ce2f550d f2fs: get rid of online repaire on corrupted directory 
[ Upstream commit 884ee6dc85 ]

syzbot reports a f2fs bug as below:

kernel BUG at fs/f2fs/inode.c:896!
RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896
Call Trace:
 evict+0x532/0x950 fs/inode.c:704
 dispose_list fs/inode.c:747 [inline]
 evict_inodes+0x5f9/0x690 fs/inode.c:797
 generic_shutdown_super+0x9d/0x2d0 fs/super.c:627
 kill_block_super+0x44/0x90 fs/super.c:1696
 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4898
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:228
 ptrace_notify+0x2d2/0x380 kernel/signal.c:2402
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc6/0x190 kernel/entry/common.c:173
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline]
 syscall_exit_to_user_mode+0x279/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896

Online repaire on corrupted directory in f2fs_lookup() can generate
dirty data/meta while racing w/ readonly remount, it may leave dirty
inode after filesystem becomes readonly, however, checkpoint() will
skips flushing dirty inode in a state of readonly mode, result in
above panic.

Let's get rid of online repaire in f2fs_lookup(), and leave the work
to fsck.f2fs.

Fixes: 510022a858 ("f2fs: add F2FS_INLINE_DOTS to recover missing dot dentries")
Reported-by: syzbot+ebea2790904673d7c618@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/000000000000a7b20f061ff2d56a@google.com
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-10-04 16:29:37 +02:00
..
acpi ACPI: CPPC: Fix MASK_VAL() usage 2024-10-04 16:28:53 +02:00
asm-generic vmlinux.lds.h: catch .bss..L* sections into BSS") 2024-08-03 08:53:35 +02:00
clocksource pwm: xilinx: Fix u32 overflow issue in 32-bit width PWM mode. 2024-09-08 07:54:44 +02:00
crypto crypto: af_alg - Disallow multiple in-flight AIO requests 2024-01-25 15:35:16 -08:00
drm accel: Use XArray instead of IDR for minors 2024-09-30 16:25:13 +02:00
dt-bindings clk: renesas: r8a779g0: Correct PFC/GPIO parent clocks 2024-03-26 18:19:47 -04:00
keys integrity: PowerVM support for loading third party code signing keys 2023-08-17 20:12:35 +00:00
kunit - An extensive rework of kexec and crash Kconfig from Eric DeVolder 2023-08-29 14:53:51 -07:00
kvm KVM: arm64: Fix host-programmed guest events in nVHE 2024-04-10 16:35:48 +02:00
linux f2fs: get rid of online repaire on corrupted directory 2024-10-04 16:29:37 +02:00
math-emu powerpc/math-emu: Remove -w build flag and fix warnings 2022-09-05 17:28:25 +10:00
media media: cec: core: avoid recursive cec_claim_log_addrs 2024-06-12 11:12:43 +02:00
memory memory: renesas-rpc-if: Remove Runtime PM wrappers 2023-01-23 11:48:00 +01:00
misc cxl: fix typo in comment 2022-11-24 23:12:19 +11:00
net Bluetooth: hci_core: Fix sending MGMT_EV_CONNECT_FAILED 2024-10-04 16:28:57 +02:00
pcmcia ARM: pxa/sa1100: move I/O space to PCI_IOBASE 2022-05-07 22:56:17 +02:00
ras mm, hwpoison: enable memory error handling on 1GB hugepage 2022-08-08 18:06:44 -07:00
rdma RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz 2023-12-13 18:45:16 +01:00
rv rv: Set variable 'da_mon_##name' to static 2023-09-01 21:00:00 -04:00
scsi scsi: core: Fix the return value of scsi_logical_block_count() 2024-08-29 17:33:52 +02:00
soc net: mscc: ocelot: serialize access to the injection/extraction groups 2024-08-29 17:33:45 +02:00
sound ASoC: tas2781-i2c: Drop weird GPIO code 2024-10-04 16:29:05 +02:00
target scsi: target: iscsi: Remove the unused netif_timeout attribute 2023-07-11 12:33:32 -04:00
trace f2fs: reduce expensive checkpoint trigger frequency 2024-10-04 16:29:36 +02:00
uapi drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes 2024-09-12 11:11:43 +02:00
ufs scsi: ufs: core: Check LSDBS cap when !mcq 2024-09-08 07:54:29 +02:00
vdso vdso/bits.h: Add BIT_ULL() for the sake of consistency 2023-01-31 14:42:10 +01:00
video fbdev: stifb: Make the STI next font pointer a 32-bit signed offset 2023-11-28 17:19:58 +00:00
xen xen/events: reduce externally visible helper functions 2024-03-01 13:34:57 +01:00