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kernel BUG in f2fs_evict_inode

Status: upstream: reported C repro on 2022/12/22 02:57
Labels: f2fs (incorrect?)
Reported-by: syzbot+e1246909d526a9d470fa@syzkaller.appspotmail.com
First crash: 166d, last: 22h49m

Cause bisection: failed (error log, bisect log)
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly f2fs report (May 2023) 0 (1) 2023/05/05 21:40
[syzbot] Monthly f2fs report 0 (1) 2023/04/04 14:20
[syzbot] [f2fs?] [tmpfs?] kernel BUG in f2fs_evict_inode 0 (1) 2022/12/22 02:57
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG at fs/f2fs/inode.c:LINE! f2fs tmpfs C error 3 160d 962d 0/1 upstream: reported C repro on 2020/10/13 04:23
linux-6.1 kernel BUG in f2fs_evict_inode 2 44d 52d 0/3 upstream: reported on 2023/04/11 09:45
linux-4.14 kernel BUG in f2fs_evict_inode f2fs tmpfs C 1 90d 158d 0/1 upstream: reported C repro on 2022/12/26 05:49
linux-5.15 kernel BUG in f2fs_evict_inode 3 49d 70d 0/3 upstream: reported on 2023/03/24 18:02

Sample crash report:
F2FS-fs (loop0): Corrupted max_depth of 3: 2049
syz-executor636[5056]: segfault at 0 ip 00007f87a3aa9b00 sp 00007fff12e041e8 error 4 in syz-executor636318669[7f87a3a43000+88000] likely on CPU 0 (core 0, socket 0)
Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7
------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:864!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5056 Comm: syz-executor636 Not tainted 6.2.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:f2fs_evict_inode+0x1761/0x1df0 fs/f2fs/inode.c:864
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 91 06 00 00 8b 75 40 ba 01 00 00 00 4c 89 e7 e8 79 99 06 00 e9 fc fc ff ff e8 1f c8 e6 fd <0f> 0b e8 18 c8 e6 fd be 08 00 00 00 49 8d bc 24 b8 00 00 00 e8 16
RSP: 0018:ffffc90003e5f7d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88807a3b0000 RSI: ffffffff839a9aa1 RDI: 0000000000000007
RBP: ffff8880731408f0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff88807563c000
R13: ffff888073140da0 R14: ffff88807563c0b8 R15: ffff88807563d490
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056240959dbc0 CR3: 000000002a3c4000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 evict+0x2ed/0x6b0 fs/inode.c:664
 dispose_list+0x117/0x1e0 fs/inode.c:697
 evict_inodes+0x356/0x450 fs/inode.c:747
 generic_shutdown_super+0xaf/0x410 fs/super.c:480
 kill_block_super+0x9b/0xf0 fs/super.c:1386
 kill_f2fs_super+0x2af/0x3c0 fs/f2fs/super.c:4640
 deactivate_locked_super+0x98/0x160 fs/super.c:332
 deactivate_super+0xb1/0xd0 fs/super.c:363
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xaa8/0x2950 kernel/exit.c:867
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012
 get_signal+0x21c3/0x2450 kernel/signal.c:2859
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
 exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f87a3aa9b00
Code: Unable to access opcode bytes at 0x7f87a3aa9ad6.
RSP: 002b:00007fff12e041e8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000000e0 RCX: 0000000000000000
RDX: 00000000000000e0 RSI: 00000000000000e0 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000000c0 R11: 00000000000000e0 R12: 0000000020000100
R13: 00007fff12e042b0 R14: 0000000000000000 R15: 00007fff12e042b0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_evict_inode+0x1761/0x1df0 fs/f2fs/inode.c:864
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 91 06 00 00 8b 75 40 ba 01 00 00 00 4c 89 e7 e8 79 99 06 00 e9 fc fc ff ff e8 1f c8 e6 fd <0f> 0b e8 18 c8 e6 fd be 08 00 00 00 49 8d bc 24 b8 00 00 00 e8 16
RSP: 0018:ffffc90003e5f7d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88807a3b0000 RSI: ffffffff839a9aa1 RDI: 0000000000000007
RBP: ffff8880731408f0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff88807563c000
R13: ffff888073140da0 R14: ffff88807563c0b8 R15: ffff88807563d490
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056240959dbc0 CR3: 000000000c48e000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	66 0f ef c0          	pxor   %xmm0,%xmm0
   4:	66 0f ef c9          	pxor   %xmm1,%xmm1
   8:	66 0f ef d2          	pxor   %xmm2,%xmm2
   c:	66 0f ef db          	pxor   %xmm3,%xmm3
  10:	48 89 f8             	mov    %rdi,%rax
  13:	48 89 f9             	mov    %rdi,%rcx
  16:	48 81 e1 ff 0f 00 00 	and    $0xfff,%rcx
  1d:	48 81 f9 cf 0f 00 00 	cmp    $0xfcf,%rcx
  24:	77 74                	ja     0x9a
  26:	48 83 e0 f0          	and    $0xfffffffffffffff0,%rax
* 2a:	66 0f 74 00          	pcmpeqb (%rax),%xmm0 <-- trapping instruction
  2e:	66 0f 74 48 10       	pcmpeqb 0x10(%rax),%xmm1
  33:	66 0f 74 50 20       	pcmpeqb 0x20(%rax),%xmm2
  38:	66 0f 74 58 30       	pcmpeqb 0x30(%rax),%xmm3
  3d:	66                   	data16
  3e:	0f                   	.byte 0xf
  3f:	d7                   	xlat   %ds:(%rbx)

Crashes (61):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/01/23 04:10 upstream 2241ab53cbb5 559a440a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in f2fs_evict_inode
2022/12/18 02:53 upstream 77856d911a8c 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/02/11 23:19 linux-next 38d2b86a665b 93e26d60 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in f2fs_evict_inode
2022/12/18 08:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/06/02 00:19 upstream 1874a42a7d74 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/06/01 13:24 upstream 929ed21dfdb6 babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/27 01:33 upstream 0d85b27b0cc6 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/23 20:13 upstream ae8373a5add4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/21 18:20 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/20 21:58 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/20 11:58 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/18 20:12 upstream 4d6d4c7f541d 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/18 00:02 upstream 1b66c114d161 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/16 12:22 upstream f1fcbaa18b28 71b00cfb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/15 11:35 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/04 01:51 upstream 348551ddaf31 b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/03 03:46 upstream 7df047b3f0aa 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/02 06:36 upstream c8c655c34e33 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/27 16:41 upstream 6e98b09da931 6f3d6fa7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/25 12:19 upstream 1a0beef98b58 65320f8e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/24 21:43 upstream 1a0beef98b58 fdc18293 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/24 09:06 upstream 457391b03803 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/22 10:13 upstream 8e41e0a57566 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/20 13:34 upstream cb0856346a60 a219f34e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/18 07:28 upstream 6a8f57ae2eb0 436577a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/17 04:23 upstream 6a8f57ae2eb0 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/13 06:22 upstream 0bcc40255504 82d5e53e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/09 22:00 upstream cdc9718d5e59 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/09 14:37 upstream cdc9718d5e59 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/09 09:23 upstream a79d5c76f705 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/09 07:49 upstream a79d5c76f705 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/06 23:17 upstream f2afccfefe7b 00ce4c67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/05 09:18 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/05 02:02 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/05 00:02 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/04/04 15:33 upstream 148341f0a2f5 928dd177 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/30 00:33 upstream ffe78bbd5121 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/27 19:50 upstream 197b6b60ae7b f8f96aa9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/27 07:08 upstream 18940c888c85 fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/26 11:44 upstream da8e7da11e4b fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/25 10:55 upstream 65aca32efdcb fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/24 15:03 upstream 1e760fa3596e 9700afae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/22 05:07 upstream 2faac9a98f01 8b4eb097 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/18 01:51 upstream 38e04b3e4240 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/15 11:08 upstream 6015b1aca1a2 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/03/03 05:41 upstream 857f1268a591 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in f2fs_evict_inode
2023/02/12 17:17 upstream f339c2597ebb 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/01/29 14:19 upstream c96618275234 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in f2fs_evict_inode
2023/01/26 06:46 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in f2fs_evict_inode
2023/05/31 22:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eb0f1697d729 e2a77acd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/05/04 04:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/04/27 02:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 19a3dabe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/04/26 06:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 7560799c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/04/23 08:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/04/05 22:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59caa87f9dfb 8b834965 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/03/24 04:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/03/11 23:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/02/23 10:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a9b06ec42c0f 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/02/15 05:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 1d6b4af7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2023/02/11 07:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in f2fs_evict_inode
2022/12/27 23:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .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.