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kernel BUG in ocfs2_set_new_buffer_uptodate (2)

Status: upstream: reported C repro on 2024/12/25 16:47
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+7aef76bdb53b83d62a9e@syzkaller.appspotmail.com
First crash: 244d, last: 24m
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG in ocfs2_set_new_buffer_uptodate (log)
Repro: C syz .config
  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ocfs2?] kernel BUG in ocfs2_set_new_buffer_uptodate (2) 0 (3) 2024/12/27 10:54
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in ocfs2_set_new_buffer_uptodate ocfs2 -1 C inconclusive 55 257d 369d 28/29 fixed on 2024/12/16 09:50
linux-5.15 kernel BUG in ocfs2_set_new_buffer_uptodate (2) origin:upstream -1 C error 5 6d01h 103d 0/3 upstream: reported C repro on 2025/05/11 13:56
linux-6.1 kernel BUG in ocfs2_set_new_buffer_uptodate origin:upstream -1 C error 4 195d 228d 0/3 upstream: reported C repro on 2025/01/06 04:02
linux-5.15 kernel BUG in ocfs2_set_new_buffer_uptodate origin:upstream missing-backport -1 C error 7 229d 319d 0/3 auto-obsoleted due to no activity on 2025/04/15 21:51
▶ ▼ Last patch testing requests (8)
Created Duration User Patch Repo Result
2025/04/09 13:07 13m retest repro upstream report log
2025/04/09 13:07 16m retest repro upstream report log
2025/01/29 15:36 21m retest repro upstream error
2025/01/29 15:36 17m retest repro upstream error
2025/01/29 00:38 12m retest repro upstream error
2025/01/29 00:38 1h38m retest repro upstream error
2024/12/27 10:54 34m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d6ef8b40d075c425f548002d2f35ae3f06e9cf96 report log
2024/12/26 15:53 31m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9b2ffa6148b1e4468d08f7e0e7e371c43cac9ffe OK log

Sample crash report:
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5818 Comm: syz-executor275 Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509
Code: 03 42 80 3c 20 00 74 08 48 89 df e8 95 a9 63 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 0c cb ff fd 90 <0f> 0b e8 04 cb ff fd 90 0f 0b e8 fc ca ff fd 90 0f 0b e8 f4 ca ff
RSP: 0018:ffffc90003f2fa30 EFLAGS: 00010293
RAX: ffffffff839fa714 RBX: 0000000000000001 RCX: ffff888031853c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003f2fcf0 R08: ffffffff839fa5fe R09: 1ffffffff2030b26
R10: dffffc0000000000 R11: fffffbfff2030b27 R12: ffff888077074fb8
R13: dffffc0000000000 R14: ffff888077035488 R15: ffff888077070830
FS:  0000555573a7e380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045e620 CR3: 0000000078212000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_group_add+0x3a3/0x15a0 fs/ocfs2/resize.c:507
 ocfs2_ioctl+0x65e/0x7d0 fs/ocfs2/ioctl.c:891
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5367870b19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd2c090dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5367870b19
RDX: 00000000200000c0 RSI: 0000000040186f02 RDI: 0000000000000004
RBP: 00007f53678e85f0 R08: 0000555573a7f4c0 R09: 0000555573a7f4c0
R10: 0000555573a7f4c0 R11: 0000000000000246 R12: 00007ffd2c090df0
R13: 00007ffd2c091018 R14: 431bde82d7b634db R15: 00007f53678b903b
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509
Code: 03 42 80 3c 20 00 74 08 48 89 df e8 95 a9 63 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 0c cb ff fd 90 <0f> 0b e8 04 cb ff fd 90 0f 0b e8 fc ca ff fd 90 0f 0b e8 f4 ca ff
RSP: 0018:ffffc90003f2fa30 EFLAGS: 00010293
RAX: ffffffff839fa714 RBX: 0000000000000001 RCX: ffff888031853c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003f2fcf0 R08: ffffffff839fa5fe R09: 1ffffffff2030b26
R10: dffffc0000000000 R11: fffffbfff2030b27 R12: ffff888077074fb8
R13: dffffc0000000000 R14: ffff888077035488 R15: ffff888077070830
FS:  0000555573a7e380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045e620 CR3: 0000000078212000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1235):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/14 23:18 upstream c3812b15000c f310a27d .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2024/12/26 19:25 upstream 9b2ffa6148b1 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2024/12/21 17:24 upstream 499551201b5f d7f584ee .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in ocfs2_set_new_buffer_uptodate
2024/12/21 17:02 upstream 499551201b5f d7f584ee .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 03:00 upstream 8d561baae505 dcc075fb .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/05 10:42 upstream c435a4f487e8 4f67c4ae .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 12:39 upstream 3957a5720157 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 08:07 upstream 3957a5720157 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 05:06 upstream 3957a5720157 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 08:46 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 07:44 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 05:36 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 05:07 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 20:28 upstream b19a97d57c15 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 03:53 upstream b19a97d57c15 79512909 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 19:38 upstream b19a97d57c15 254a27c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 10:14 upstream be48bcf004f9 523f460e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 09:03 upstream be48bcf004f9 523f460e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 23:44 upstream c17b750b3ad9 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 20:13 upstream c17b750b3ad9 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 16:46 upstream c17b750b3ad9 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 15:18 upstream c17b750b3ad9 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/07 12:57 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 21:34 upstream cf6fc5eefc5b bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 14:13 upstream 3957a5720157 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 09:59 upstream 3957a5720157 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 03:51 upstream 3957a5720157 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 00:14 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 23:07 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 20:26 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 18:33 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 17:08 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 15:10 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 12:22 upstream 41cd3fd15263 0b9605c8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/21 11:03 upstream 41cd3fd15263 0b9605c8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 18:51 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 17:18 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 16:06 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 14:32 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 11:00 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 07:53 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 06:26 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 01:09 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 23:30 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 16:20 upstream be48bcf004f9 523f460e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 13:43 upstream be48bcf004f9 523f460e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 11:53 upstream be48bcf004f9 523f460e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 07:16 upstream be48bcf004f9 52052143 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 05:32 upstream be48bcf004f9 52052143 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 03:51 upstream be48bcf004f9 52052143 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/19 01:06 upstream be48bcf004f9 52052143 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 21:20 linux-next 3ac864c2d9bb 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/22 20:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/20 22:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bd178e57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/18 23:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ocfs2_set_new_buffer_uptodate
* Struck through repros no longer work on HEAD.