syzbot

 sign-in | mailing list | source | docs
🐞 Open [1459]
≡ Subsystems
🐞 Fixed [6842]
🐞 Invalid [17743]
⬇ Missing Backports [227]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

kernel BUG in __ocfs2_move_extents_range

Status: upstream: reported C repro on 2025/04/16 02:09
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+f2107d999290b8166267@syzkaller.appspotmail.com
First crash: 272d, last: 28d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ocfs2?] kernel BUG in __ocfs2_move_extents_range 0 (6) 2025/10/24 07:15
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in __ocfs2_move_extents_range (2) -1 2 8d13h 8d13h 0/3 upstream: reported on 2026/01/01 01:22
linux-6.1 kernel BUG in __ocfs2_move_extents_range -1 3 137d 144d 0/3 auto-obsoleted due to no activity on 2025/12/03 01:59
linux-5.15 kernel BUG in __ocfs2_move_extents_range -1 1 143d 143d 0/3 auto-obsoleted due to no activity on 2025/11/27 09:31
▶ ▼ Last patch testing requests (7)
Created Duration User Patch Repo Result
2025/12/26 04:47 30m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2025/11/20 09:06 58m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2025/10/24 07:15 17m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.12.y report log
2025/10/24 07:15 15m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.1.y report log
2025/10/24 07:11 45m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y report log
2025/10/22 14:00 32m dmantipov@yandex.ru patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 552c50713f273b494ac6c77052032a49bc9255e2 OK log
2025/09/15 14:07 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1382!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1382
Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 4e ca 76 fe 89 de e9 a7 fe ff ff e8 32 ed 0e fe 90 0f 0b e8 2a ed 0e fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d 00 3d ec 0e bf 07 00 00 00 89 de e8 50
RSP: 0018:ffffc9000e017340 EFLAGS: 00010246
RAX: ffffffff83b2d326 RBX: 000000000000006b RCX: 0000000000100000
RDX: ffffc90021322000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000e017460 R08: 0000000000000007 R09: 000000000000007c
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff1100ad7f201
R13: 000000000000007c R14: ffff888047e84fb8 R15: dffffc0000000000
FS:  00007f5156f586c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa44caa2e3a CR3: 000000001efa7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_move_extent fs/ocfs2/move_extents.c:693 [inline]
 __ocfs2_move_extents_range+0x2988/0x3390 fs/ocfs2/move_extents.c:865
 ocfs2_move_extents+0x378/0x960 fs/ocfs2/move_extents.c:937
 ocfs2_ioctl_move_extents+0x568/0x740 fs/ocfs2/move_extents.c:1069
 ocfs2_ioctl+0x191/0x750 fs/ocfs2/ioctl.c:942
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f515618f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5156f58038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f51563e6180 RCX: 00007f515618f7c9
RDX: 00002000000000c0 RSI: 0000000040406f06 RDI: 0000000000000004
RBP: 00007f5156213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f51563e6218 R14: 00007f51563e6180 R15: 00007ffdbb7194f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1382
Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 4e ca 76 fe 89 de e9 a7 fe ff ff e8 32 ed 0e fe 90 0f 0b e8 2a ed 0e fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d 00 3d ec 0e bf 07 00 00 00 89 de e8 50
RSP: 0018:ffffc9000e017340 EFLAGS: 00010246
RAX: ffffffff83b2d326 RBX: 000000000000006b RCX: 0000000000100000
RDX: ffffc90021322000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000e017460 R08: 0000000000000007 R09: 000000000000007c
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff1100ad7f201
R13: 000000000000007c R14: ffff888047e84fb8 R15: dffffc0000000000
FS:  00007f5156f586c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bc926d120 CR3: 000000001efa7000 CR4: 0000000000352ef0

Crashes (64):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/12 04:25 upstream d358e5254674 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/11 00:31 upstream 0048fbb4011e d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/10 22:54 upstream 0048fbb4011e d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/09 20:12 upstream cb015814f8b6 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/05 18:54 upstream 2061f18ad76e d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/04 16:00 upstream cc25df3e2e22 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/03 22:00 upstream 3f9f0252130e d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/03 14:57 upstream 44fc84337b6e d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/01 13:46 upstream 7d0a66e4bb90 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/30 09:16 upstream 6bda50f4333f d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/29 01:05 upstream e538109ac71d d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/28 19:47 upstream e538109ac71d d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/28 17:12 upstream e538109ac71d d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/28 07:38 upstream aa7243aaf194 e8331348 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/27 20:52 upstream 765e56e41a5a e8331348 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/27 07:50 upstream 4941a17751c9 e8331348 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/26 19:53 upstream 30f09200cc4a c116feb4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/24 20:11 upstream ac3fd01e4c1e bf6fe8fe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/21 22:55 upstream fd95357fd8c6 c31c1b0b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/21 18:09 upstream fd95357fd8c6 c31c1b0b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/06 03:22 upstream dc77806cf3b4 a6c9c731 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/05 20:26 upstream 284922f4c563 a6c9c731 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/11/05 17:43 upstream 284922f4c563 a6c9c731 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/30 23:29 upstream e53642b87a4f 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/29 02:55 upstream 8eefed8f65cc fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/27 18:54 upstream dcb6fa37fd7b fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/27 17:32 upstream dcb6fa37fd7b fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/27 02:34 upstream dbfc6422a34d c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/15 18:09 upstream 1f4a222b0e33 82df6b00 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/13 00:37 upstream 67029a49db6c ff1712fe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/10/07 18:04 upstream c746c3b51698 7e2882b3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/09/25 18:14 upstream bf40f4b87761 0abd0691 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/09/16 09:09 upstream 46a51f4f5eda e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/21 23:43 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/21 04:58 upstream 41cd3fd15263 0b9605c8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/20 19:17 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/20 09:08 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/20 02:07 upstream b19a97d57c15 79512909 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/19 12:43 upstream be48bcf004f9 523f460e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/18 18:39 upstream c17b750b3ad9 dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/18 08:37 upstream 8d561baae505 dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/17 12:48 upstream 99bade344cfa dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/11 11:00 upstream 8f5ae30d69d7 32a0e5ed .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/08/08 19:31 upstream bec077162bd0 56444e07 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/07/25 20:48 upstream 2942242dde89 fb8f743d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/07/03 05:37 upstream b4911fb0b060 115ceea7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/06/27 07:01 upstream f02769e7f272 803ce19b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/06/26 17:06 upstream ee88bddf7f2f 1ae8177e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/06/21 08:27 upstream 11313e2f7812 d6cdfb8a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/06/05 13:34 upstream ec7714e49479 6b6b5f21 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/04/25 16:27 upstream 02ddfb981de8 dea5c7e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/04/20 08:22 upstream 119009db2674 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/04/12 01:56 upstream e618ee89561b 0bd6db41 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in __ocfs2_move_extents_range
2025/12/03 07:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/11/29 19:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/10/11 12:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc ff1712fe .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/09/01 10:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/08/31 08:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/08/17 23:15 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_move_extents_range
2025/08/17 23:14 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_move_extents_range
2025/08/17 08:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (corrupt fs)] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
2025/06/09 17:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d7fa1af5b33e 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __ocfs2_move_extents_range
* Struck through repros no longer work on HEAD.