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corrupted report (4)

Status: premoderation: reported on 2025/01/11 16:11
Reported-by: syzbot+6d4e38980ee3ed337f2f@syzkaller.appspotmail.com
First crash: 517d, last: 2d13h
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 1014d 1091d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 383d 503d 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 1194d 2620d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2385d 2620d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 1062d 1144d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 211d 356d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 9812 38m 361d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3123d 3125d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 683d 2315d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2466d 2594d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 1255 15h11m 143d 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1194d 2618d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 432 1d05h 1053d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 575d 801d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1493d 1642d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3123d 3125d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (2) -1 1 924d 924d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) jfs hfs sound prio:low -1 1122652 now 2985d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 9954 1h55m 1188d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2383d 2617d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 109 3d18h 795d 0/2 premoderation: reported on 2024/04/08 19:56
linux-6.1 corrupted report -1 189426 32m 1193d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2383d 2617d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
R13: 00007f37470821ca R14: 0000000000026358 R15: 00007fff16486220
 </TASK>
---[ end trace f03da9ddab631663 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454
Write of size 4 at addr 0000000000000170 by task syz-executor/3965

CPU: 1 PID: 3965 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:431 [inline]
 kasan_report+0xe7/0x140 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline]
 ihold+0x20/0x60 fs/inode.c:454
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3746fee097
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:00007fff16485098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3746fee097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff16485150
RBP: 00007fff16485150 R08: 00007fff16486150 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff164861e0
R13: 00007f37470821ca R14: 0000000000026358 R15: 00007fff16486220
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 124935067 P4D 124935067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3965 Comm: syz-executor Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 a1 7b b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 21
RSP: 0018:ffffc90000d77ce8 EFLAGS: 00010246
RAX: ffff888130103b00 RBX: 0000000000000000 RCX: ffff888130103b40
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff
RBP: ffffc90000d77cf8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e1904c R12: 1ffff11022459be2
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556214d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 0000000121924000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3746fee097
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:00007fff16485098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3746fee097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff16485150
RBP: 00007fff16485150 R08: 00007fff16486150 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff164861e0
R13: 00007f37470821ca R14: 0000000000026358 R15: 00007fff16486220
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace f03da9ddab631664 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 a1 7b b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 21
RSP: 0018:ffffc90000d77ce8 EFLAGS: 00010246
RAX: ffff888130103b00 RBX: 0000000000000000 RCX: ffff888130103b40
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff
RBP: ffffc90000d77cf8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e1904c R12: 1ffff11022459be2
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556214d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 0000000121924000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 a1 7b b2 ff       	call   0xffb27bb4
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 90 fb f1 ff       	call   0xfff1fbb4
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	21                   	.byte 0x21

Crashes (249):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/10 23:52 android13-5.15-lts 30f5554a846e b754d2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 corrupted report
2026/06/10 20:00 android13-5.15-lts 30f5554a846e f79bac11 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/09 18:10 android13-5.15-lts 30f5554a846e c36c07f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/08 23:03 android13-5.15-lts 8969ee93a483 656e94c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/08 19:01 android13-5.15-lts 8969ee93a483 656e94c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/08 15:35 android13-5.15-lts 8969ee93a483 656e94c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/08 13:55 android13-5.15-lts 8969ee93a483 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/06 23:52 android13-5.15-lts 8969ee93a483 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 corrupted report
2026/06/05 22:04 android13-5.15-lts 8969ee93a483 48b6c3fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/02 16:00 android13-5.15-lts 8969ee93a483 62fe1528 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/02 14:12 android13-5.15-lts 8969ee93a483 62fe1528 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/02 12:31 android13-5.15-lts 8969ee93a483 62fe1528 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/02 01:19 android13-5.15-lts 8969ee93a483 1095583b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/01 05:14 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/06/01 03:18 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/30 20:29 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/29 21:04 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/29 15:08 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/28 18:53 android13-5.15-lts 8969ee93a483 681715f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/27 18:07 android13-5.15-lts 8969ee93a483 8777bdc3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/27 08:30 android13-5.15-lts 8969ee93a483 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/26 06:33 android13-5.15-lts 05eea940894a c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/22 18:03 android13-5.15-lts 05eea940894a 5f091fcc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/20 16:14 android13-5.15-lts 05eea940894a 62fb93a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/19 11:59 android13-5.15-lts 05eea940894a 223544dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/19 02:07 android13-5.15-lts 05eea940894a 9f74d399 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/18 18:12 android13-5.15-lts 05eea940894a 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/17 02:38 android13-5.15-lts 7f4b368e0410 de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/16 02:48 android13-5.15-lts 7f4b368e0410 81fb92f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/14 20:13 android13-5.15-lts 7f4b368e0410 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/13 21:00 android13-5.15-lts 7f4b368e0410 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/13 19:48 android13-5.15-lts 7f4b368e0410 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/12 22:07 android13-5.15-lts 7f4b368e0410 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/12 14:43 android13-5.15-lts 7f4b368e0410 07aeade5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/11 19:31 android13-5.15-lts 5628bb722180 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/11 01:05 android13-5.15-lts fbdcb39071da 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/07 15:21 android13-5.15-lts a5c2f59daca2 cbf9e0fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/06 21:43 android13-5.15-lts a5c2f59daca2 1dddfd3d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/06 15:41 android13-5.15-lts a5c2f59daca2 1dddfd3d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/05 14:20 android13-5.15-lts e63ebedc51b2 06e69a27 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 corrupted report
2026/05/04 17:35 android13-5.15-lts e63ebedc51b2 85f1bcf2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/01 20:20 android13-5.15-lts e63ebedc51b2 753c55b9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/05/01 01:39 android13-5.15-lts e63ebedc51b2 a7464baf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/30 19:00 android13-5.15-lts e63ebedc51b2 a7464baf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/28 20:03 android13-5.15-lts e63ebedc51b2 ce741359 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/25 02:15 android13-5.15-lts b7e7bcb07972 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/24 08:48 android13-5.15-lts b7e7bcb07972 9cfb3ca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/22 21:41 android13-5.15-lts b7e7bcb07972 4595e353 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/22 17:02 android13-5.15-lts b7e7bcb07972 4595e353 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/22 14:52 android13-5.15-lts b7e7bcb07972 4595e353 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
2026/04/21 21:03 android13-5.15-lts 68d122e51b06 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf corrupted report
* Struck through repros no longer work on HEAD.