corrupted report (3)

Status: premoderation: reported on 2024/04/08 19:56
Reported-by: syzbot+cd46a6f5ac3b55c51494@syzkaller.appspotmail.com
First crash: 854d, last: 9h03m
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 1072d 1150d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 441d 562d 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 1253d 2678d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2444d 2679d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 1121d 1203d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 270d 414d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 11834 45m 420d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3181d 3183d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 742d 2373d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2524d 2652d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 1510 12h58m 201d 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1253d 2677d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 596 9h34m 1112d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 634d 860d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1551d 1700d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3181d 3183d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 373 56m 576d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 982d 982d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) prio:low hfs -1 1149301 now 3043d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 10537 2h04m 1247d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2441d 2675d 0/3 auto-closed as invalid on 2020/03/03 12:39
linux-6.1 corrupted report -1 190940 2h33m 1252d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2442d 2675d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
RBP: 00007ffc508db800 R08: 00007ffc508dc800 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc508dc890
R13: 00007f84aeeb5474 R14: 0000000000020175 R15: 00007ffc508dc8d0
---[ end trace da1d6adc418a3d61 ]---
==================================================================
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/asm-generic/atomic-instrumented.h:250 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:423
Write of size 4 at addr 0000000000000170 by task syz-executor/2075

CPU: 0 PID: 2075 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 __kasan_report mm/kasan/report.c:439 [inline]
 kasan_report+0xbd/0x140 mm/kasan/report.c:452
 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/asm-generic/atomic-instrumented.h:250 [inline]
 ihold+0x20/0x60 fs/inode.c:423
 d_delete_notify include/linux/fsnotify.h:264 [inline]
 vfs_rmdir+0x2d5/0x3c0 fs/namei.c:3873
 incfs_kill_sb+0xf7/0x200 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f84aee20317
Code: a2 c7 05 dc 43 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:00007ffc508db748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f84aee20317
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc508db800
RBP: 00007ffc508db800 R08: 00007ffc508dc800 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc508dc890
R13: 00007f84aeeb5474 R14: 0000000000020175 R15: 00007ffc508dc8d0
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 133555067 P4D 133555067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2075 Comm: syz-executor Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:423
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 11 7e b7 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 20 f5 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 91
RSP: 0018:ffffc90000e97d38 EFLAGS: 00010246
RAX: ffff88812a542700 RBX: 0000000000000000 RCX: ffff88812a542780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff
RBP: ffffc90000e97d48 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0dcf648 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555571665500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000011e816000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 d_delete_notify include/linux/fsnotify.h:264 [inline]
 vfs_rmdir+0x2d5/0x3c0 fs/namei.c:3873
 incfs_kill_sb+0xf7/0x200 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f84aee20317
Code: a2 c7 05 dc 43 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:00007ffc508db748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f84aee20317
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc508db800
RBP: 00007ffc508db800 R08: 00007ffc508dc800 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc508dc890
R13: 00007f84aeeb5474 R14: 0000000000020175 R15: 00007ffc508dc8d0
Modules linked in:
CR2: 0000000000000170
---[ end trace da1d6adc418a3d62 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:423
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 11 7e b7 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 20 f5 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 91
RSP: 0018:ffffc90000e97d38 EFLAGS: 00010246
RAX: ffff88812a542700 RBX: 0000000000000000 RCX: ffff88812a542780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff
RBP: ffffc90000e97d48 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0dcf648 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555571665500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000011e816000 CR4: 00000000003506b0
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 11 7e b7 ff       	call   0xffb77e24
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 20 f5 f1 ff       	call   0xfff1f544
  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:	91                   	xchg   %eax,%ecx

Crashes (129):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/10 18:05 android13-5.10-lts 447db0046f21 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/08/09 09:32 android13-5.10-lts 447db0046f21 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/08/08 14:11 android13-5.10-lts 447db0046f21 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/08/08 10:37 android13-5.10-lts 447db0046f21 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/08/06 19:58 android13-5.10-lts 18edbc713650 c38879ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/29 06:04 android13-5.10-lts 50b3a256e550 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/28 14:20 android13-5.10-lts 50b3a256e550 edc8a875 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/24 15:28 android13-5.10-lts 50b3a256e550 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/21 13:19 android13-5.10-lts 50b3a256e550 7c5de9c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/16 19:21 android13-5.10-lts 50b3a256e550 71b49442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/14 20:03 android13-5.10-lts 50b3a256e550 2130f682 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2026/07/14 11:53 android13-5.10-lts 50b3a256e550 2130f682 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/13 08:09 android13-5.10-lts 50b3a256e550 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/11 23:35 android13-5.10-lts 50b3a256e550 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/07/02 11:31 android13-5.10-lts 1bb06dbd8c78 27192279 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/30 04:16 android13-5.10-lts 79e905dd56a7 fff8d0a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/28 06:10 android13-5.10-lts 79e905dd56a7 fb92f11c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/23 19:19 android13-5.10-lts 79e905dd56a7 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/23 06:35 android13-5.10-lts 72aefab72b3d 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/09 18:10 android13-5.10-lts 852025c7979f c36c07f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/06/02 05:31 android13-5.10-lts 4a079a5d30eb 1095583b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/20 04:35 android13-5.10-lts cc0ae2abdc73 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/19 23:13 android13-5.10-lts cc0ae2abdc73 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/19 12:28 android13-5.10-lts cc0ae2abdc73 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/13 13:38 android13-5.10-lts cc0ae2abdc73 9530ccf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/07 00:45 android13-5.10-lts cc0ae2abdc73 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/05 22:31 android13-5.10-lts cc0ae2abdc73 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/04 08:31 android13-5.10-lts cc0ae2abdc73 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/04/03 17:44 android13-5.10-lts cc0ae2abdc73 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/21 05:31 android13-5.10-lts 9136079e403a 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/17 00:55 android13-5.10-lts 9136079e403a 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/16 21:48 android13-5.10-lts 9136079e403a 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/12 12:44 android13-5.10-lts 9136079e403a 4efadf07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/03/01 01:46 android13-5.10-lts dad37bbb13a8 43249bac .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/25 12:39 android13-5.10-lts e8b14e1cefe8 94a9671e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/13 03:54 android13-5.10-lts e8b14e1cefe8 504cb1bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/02/12 07:05 android13-5.10-lts ee0977df88b5 76a109e2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/31 19:17 android13-5.10-lts 186f761c519d afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2026/01/24 00:28 android13-5.10-lts 5601baec60aa 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/21 08:42 android13-5.10-lts e253c52bbdfc 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2026/01/09 13:50 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2026/01/08 18:04 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/11/22 00:32 android13-5.10-lts e625d26dbfea 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/11/20 04:33 android13-5.10-lts ab3e1c0dd1ff 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/11/04 22:39 android13-5.10-lts ab3e1c0dd1ff 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/11/03 15:27 android13-5.10-lts ab3e1c0dd1ff 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/30 15:01 android13-5.10-lts ab3e1c0dd1ff fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/29 22:31 android13-5.10-lts 2ece552169c2 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
2025/10/28 03:12 android13-5.10-lts 2ece552169c2 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/27 03:29 android13-5.10-lts 2ece552169c2 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 corrupted report
2025/10/15 04:08 android13-5.10-lts 2ece552169c2 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf corrupted report
* Struck through repros no longer work on HEAD.