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kernel BUG in f2fs_evict_inode (4)

Status: upstream: reported C repro on 2024/11/16 12:19
Subsystems: f2fs
[Documentation on labels]
Reported-by: syzbot+5c81eb8c0a380fa578b5@syzkaller.appspotmail.com
First crash: 160d, last: 4h39m
Cause bisection: introduced by (bisect log) :
commit acff9409dd40beaca2bd982678d222e2740ad84b
Author: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue Nov 12 01:04:58 2024 +0000

  Revert "f2fs: remove unreachable lazytime mount option parsing"

Crash: WARNING in f2fs_init_xattr_caches (log)
Repro: C syz .config
  
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly f2fs report (Mar 2025) 0 (1) 2025/03/31 13:08
[syzbot] Monthly f2fs report (Dec 2024) 0 (1) 2024/12/19 21:34
[syzbot] [f2fs?] kernel BUG in f2fs_evict_inode (4) 0 (3) 2024/12/07 22:59
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in f2fs_evict_inode f2fs C error 135 572d 851d 23/28 fixed on 2023/10/12 12:47
linux-4.19 kernel BUG at fs/f2fs/inode.c:LINE! f2fs tmpfs C error 3 849d 1651d 0/1 upstream: reported C repro on 2020/10/13 04:23
linux-6.1 kernel BUG in f2fs_evict_inode origin:upstream C error 93 136d 741d 0/3 upstream: reported C repro on 2023/04/11 09:45
upstream kernel BUG in f2fs_evict_inode (2) f2fs C error 575 251d 530d 27/28 fixed on 2024/08/14 03:44
linux-5.15 kernel BUG in f2fs_evict_inode (2) missing-backport origin:upstream C done 207 194d 532d 0/3 upstream: reported C repro on 2023/11/06 18:33
linux-4.14 kernel BUG in f2fs_evict_inode f2fs tmpfs C 1 780d 847d 0/1 upstream: reported C repro on 2022/12/26 05:49
upstream kernel BUG in f2fs_evict_inode (3) f2fs C error 33 198d 246d 28/28 fixed on 2024/10/22 11:57
linux-5.15 kernel BUG in f2fs_evict_inode 3 738d 759d 0/3 auto-obsoleted due to no activity on 2023/08/12 09:15
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/12/22 13:35 15m retest repro upstream report log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2025/03/01 22:16 3h34m bisect fix upstream OK (0) job log log
2025/01/30 05:26 1h21m bisect fix upstream OK (0) job log log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:920!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5827 Comm: syz-executor120 Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:f2fs_evict_inode+0x1671/0x1690 fs/f2fs/inode.c:920
Code: 31 ff 89 de e8 f0 f0 a3 fd 40 84 ed 75 2c e8 e6 ed a3 fd 4c 8b 3c 24 e9 63 eb ff ff e8 d8 ed a3 fd 90 0f 0b e8 d0 ed a3 fd 90 <0f> 0b e8 c8 ed a3 fd 90 0f 0b 90 e9 fb fe ff ff e8 ba ed a3 fd e8
RSP: 0018:ffffc90003d17918 EFLAGS: 00010293
RAX: ffffffff83fb83f0 RBX: 0000000000000002 RCX: ffff88804cda8000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83fb7dd7 R09: 1ffff1100cbe51ad
R10: dffffc0000000000 R11: ffffed100cbe51ae R12: ffff888065f28910
R13: ffff888065f288c8 R14: dffffc0000000000 R15: ffff88807e0e0000
FS:  00005555814413c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2787dbd000 CR3: 0000000021b7c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4e8/0x9a0 fs/inode.c:796
 dispose_list fs/inode.c:845 [inline]
 evict_inodes+0x6f6/0x790 fs/inode.c:899
 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627
 kill_block_super+0x44/0x90 fs/super.c:1710
 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4972
 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:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f278ef02cb7
Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffca034a6e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f278ef02cb7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca034a7a0
RBP: 00007ffca034a7a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffca034b850
R13: 0000555581442700 R14: 0000000000016846 R15: 0000000000000008
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_evict_inode+0x1671/0x1690 fs/f2fs/inode.c:920
Code: 31 ff 89 de e8 f0 f0 a3 fd 40 84 ed 75 2c e8 e6 ed a3 fd 4c 8b 3c 24 e9 63 eb ff ff e8 d8 ed a3 fd 90 0f 0b e8 d0 ed a3 fd 90 <0f> 0b e8 c8 ed a3 fd 90 0f 0b 90 e9 fb fe ff ff e8 ba ed a3 fd e8
RSP: 0018:ffffc90003d17918 EFLAGS: 00010293
RAX: ffffffff83fb83f0 RBX: 0000000000000002 RCX: ffff88804cda8000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83fb7dd7 R09: 1ffff1100cbe51ad
R10: dffffc0000000000 R11: ffffed100cbe51ae R12: ffff888065f28910
R13: ffff888065f288c8 R14: dffffc0000000000 R15: ffff88807e0e0000
FS:  00005555814413c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2787dbd000 CR3: 0000000021b7c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (254):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/06 17:06 upstream b8f52214c61a 946d28f0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/03/24 22:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a2392f333575 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2025/04/21 13:18 upstream 9d7a0577c9db 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/20 12:19 upstream 119009db2674 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/20 02:38 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/19 23:10 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/19 20:41 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/19 07:42 upstream 3088d26962e8 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/19 06:29 upstream 3088d26962e8 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/18 05:27 upstream b5c6891b2c5b 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 18:33 upstream cfb2e2c57aef 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 17:33 upstream cfb2e2c57aef 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 16:10 upstream cfb2e2c57aef 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 11:37 upstream cfb2e2c57aef 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 06:39 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 04:02 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/17 01:42 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 21:54 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 20:52 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 20:27 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 19:24 upstream c62f4b82d571 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 14:15 upstream 1a1d569a75f3 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 10:32 upstream 1a1d569a75f3 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 09:00 upstream 1a1d569a75f3 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/16 01:51 upstream 1a1d569a75f3 a95239b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/03/28 12:37 upstream acb4f33713b9 49900278 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in f2fs_evict_inode
2024/11/12 12:15 upstream 2d5404caa8c7 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2025/04/21 20:51 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/21 16:37 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/21 14:43 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/21 09:31 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/21 03:13 upstream 6fea5fabd332 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/21 00:56 upstream 6fea5fabd332 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 22:53 upstream 6fea5fabd332 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 15:43 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 14:42 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 11:02 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 08:52 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/20 04:39 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/19 12:55 upstream 3088d26962e8 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/19 03:38 upstream 3088d26962e8 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/18 23:27 upstream fc96b232f8e7 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/18 22:17 upstream fc96b232f8e7 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/18 20:22 upstream fc96b232f8e7 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/18 16:52 upstream fc96b232f8e7 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/16 23:13 upstream c62f4b82d571 a95239b1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/16 04:31 upstream 1a1d569a75f3 a95239b1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/16 02:18 upstream 1a1d569a75f3 a95239b1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in f2fs_evict_inode
2025/04/07 06:47 linux-next a4cda136f021 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in f2fs_evict_inode
2025/04/20 01:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c72692105976 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2025/04/19 10:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c72692105976 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2025/04/19 02:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c72692105976 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
* Struck through repros no longer work on HEAD.