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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: 226d, last: 3h15m
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 240d 351d 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 3d00h 85d 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 177d 211d 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 211d 301d 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 (986):
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
2025/07/05 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
2025/08/03 08:48 upstream 186f3edfdd41 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 17:40 upstream f2d282e1dfb3 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 09:57 upstream f2d282e1dfb3 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/29 22:36 upstream 0919a5b3b11c f8f2b4da .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
2025/08/05 09:25 upstream 35a813e010b9 f5bcc8dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/05 06:24 upstream 35a813e010b9 f5bcc8dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/05 03:25 upstream 35a813e010b9 f5bcc8dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/05 01:56 upstream 35a813e010b9 f5bcc8dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 20:35 upstream d2eedaa3909b abdcb213 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 18:10 upstream d2eedaa3909b abdcb213 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 16:19 upstream d2eedaa3909b abdcb213 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 07:45 upstream 352af6a011d5 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 05:02 upstream 352af6a011d5 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 03:13 upstream 352af6a011d5 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/04 01:03 upstream 352af6a011d5 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 19:52 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 18:33 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 16:22 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 12:55 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 10:52 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 05:24 upstream eacf91b0c78a 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 03:53 upstream eacf91b0c78a 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/03 02:52 upstream eacf91b0c78a 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/02 23:15 upstream eacf91b0c78a 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/02 13:23 upstream a6923c06a3b2 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/02 11:27 upstream a6923c06a3b2 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/02 05:22 upstream a6923c06a3b2 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 20:02 upstream 89748acdf226 40127d41 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 15:47 upstream 89748acdf226 40127d41 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 11:46 upstream d6084bb815c4 0c075d67 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 06:49 upstream d6084bb815c4 0c075d67 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 04:42 upstream d6084bb815c4 0c075d67 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/08/01 00:20 upstream d6084bb815c4 3526e777 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/31 23:06 upstream d6084bb815c4 3526e777 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/31 16:59 upstream 260f6f4fda93 3526e777 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/31 11:34 upstream 260f6f4fda93 f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/31 04:11 upstream 4b290aae788e f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/31 02:24 upstream 4b290aae788e f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 22:32 upstream 4b290aae788e f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 20:05 upstream 4b290aae788e f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 17:57 upstream 4b290aae788e f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 08:26 upstream 14bed9bc81ba f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 04:24 upstream 14bed9bc81ba f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 03:55 upstream 14bed9bc81ba f8f2b4da .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/30 00:38 upstream 86aa72182095 ba28e0a8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/29 20:33 upstream 86aa72182095 ba28e0a8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/29 18:33 upstream 86aa72182095 ba28e0a8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_set_new_buffer_uptodate
2025/07/18 00:25 linux-next 024e09e444bd 0d1223f1 .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
2025/08/03 00:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 7368264b .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.