syzbot


corrupted report (2)

Status: premoderation: reported on 2026/01/21 07:36
Reported-by: syzbot+cab7443779ee8a4e0db7@syzkaller.appspotmail.com
First crash: 157d, last: 1d00h
Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 1028d 1106d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 397d 518d 0/2 auto-obsoleted due to no activity on 2025/07/15 11:08
linux-4.19 corrupted report gfs2 sysv ext4 hfsplus -1 6619 1209d 2634d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2400d 2635d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 1077d 1159d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 225d 370d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 10212 28m 375d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3137d 3139d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 698d 2329d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2480d 2608d 0/1 auto-closed as invalid on 2020/01/10 12:28
linux-4.14 corrupted report cramfs -1 6026 1209d 2632d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 465 21h20m 1067d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 590d 815d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1507d 1656d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3137d 3139d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 269 2d02h 532d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 938d 938d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) prio:low hfs -1 1129195 7m 2999d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 10094 9m 1202d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2397d 2631d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 111 3d23h 809d 0/2 premoderation: reported on 2024/04/08 19:56
linux-6.1 corrupted report -1 189809 19m 1208d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2397d 2631d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
WARNING: CPU: 1 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Modules linked in:
CPU: 1 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 e549a79720f8b9d2445064a5e8a439d230f1aa2c
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 fe 85 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 86 d2 3e ff <0f> 0b e9 3e ff ff ff e8 7a d2 3e ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000b62fb88 EFLAGS: 00010293
RAX: ffffffff82489d4a RBX: 0000000000000000 RCX: ffff888103b8cc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b62fbb0 R08: ffff8881193e07ff R09: 1ffff1102327c0ff
R10: dffffc0000000000 R11: ffffed102327c100 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881193e0760 R15: ffff88811371a330
FS:  000055556a410500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556a42b918 CR3: 0000000121eba000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x824/0xd10 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3de/0x560 fs/namei.c:4348
 incfs_kill_sb+0x102/0x220 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x270 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x438/0x4d0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e8/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f709a79e097
Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd299bc118 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f709a79e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd299bc1d0
RBP: 00007ffd299bc1d0 R08: 00007ffd299bd1d0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd299bd260
R13: 00007f709a8322ca R14: 000000000000e38c R15: 00007ffd299bd2a0
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Modules linked in:
CPU: 0 UID: 0 PID: 293 Comm: syz-executor Tainted: G        W          syzkaller #0 e549a79720f8b9d2445064a5e8a439d230f1aa2c
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 fe 85 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 86 d2 3e ff <0f> 0b e9 3e ff ff ff e8 7a d2 3e ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000b62fb88 EFLAGS: 00010293
RAX: ffffffff82489d4a RBX: 0000000000000000 RCX: ffff888103b8cc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b62fbb0 R08: ffff8881193e07ff R09: 1ffff1102327c0ff
R10: dffffc0000000000 R11: ffffed102327c100 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881193e0760 R15: ffff88811371a330
FS:  000055556a410500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c353c8d CR3: 0000000121eba000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x824/0xd10 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3de/0x560 fs/namei.c:4348
 incfs_kill_sb+0x197/0x220 fs/incfs/vfs.c:1972
 deactivate_locked_super+0xd5/0x270 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x438/0x4d0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e8/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f709a79e097
Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd299bc118 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f709a79e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd299bc1d0
RBP: 00007ffd299bc1d0 R08: 00007ffd299bd1d0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd299bd260
R13: 00007f709a8322ca R14: 000000000000e38c R15: 00007ffd299bd2a0
 </TASK>
---[ end trace 0000000000000000 ]---

Crashes (1353):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/26 17:49 android16-6.12 220923cf9f76 fb92f11c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/26 11:05 android16-6.12 cc87569b5721 7ff32d8b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/25 13:10 android16-6.12 f222c1f727d9 cfa969bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/24 21:25 android16-6.12 f222c1f727d9 302586aa .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/24 19:46 android16-6.12 f222c1f727d9 302586aa .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/24 10:16 android16-6.12 24621bda288e 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/24 02:33 android16-6.12 24621bda288e 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/23 15:36 android16-6.12 8f68185b8289 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/23 08:31 android16-6.12 8f68185b8289 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/23 01:24 android16-6.12 8f68185b8289 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/22 20:29 android16-6.12 8f68185b8289 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/22 20:14 android16-6.12 8f68185b8289 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/22 15:52 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/22 13:47 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/22 01:57 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/21 23:01 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/21 14:11 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/21 01:48 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 23:31 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 20:18 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 17:36 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 14:08 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 10:03 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 03:15 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/20 00:02 android16-6.12 8f68185b8289 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/19 18:30 android16-6.12 8f68185b8289 570c59ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/19 15:59 android16-6.12 8f68185b8289 570c59ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/19 14:12 android16-6.12 8f68185b8289 570c59ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/19 07:59 android16-6.12 8f68185b8289 570c59ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/19 02:45 android16-6.12 8f68185b8289 a776b0d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/18 22:02 android16-6.12 8f68185b8289 a776b0d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/18 05:46 android16-6.12 8f68185b8289 b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 23:00 android16-6.12 8f68185b8289 b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 20:55 android16-6.12 8f68185b8289 b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 18:41 android16-6.12 8f68185b8289 b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 15:27 android16-6.12 8f68185b8289 b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 13:37 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 11:49 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 08:48 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 05:12 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 05:07 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/17 02:06 android16-6.12 8f68185b8289 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/16 20:59 android16-6.12 8f68185b8289 a3998659 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/16 18:19 android16-6.12 8f68185b8289 a3998659 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
2026/06/16 16:14 android16-6.12 8f68185b8289 a3998659 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust corrupted report
* Struck through repros no longer work on HEAD.