syzbot


corrupted report

Status: upstream: reported on 2023/03/07 17:14
Reported-by: syzbot+ea9a2d620e90898a0a2a@syzkaller.appspotmail.com
First crash: 1058d, last: 42m
Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 878d 956d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 247d 368d 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 1059d 2485d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2250d 2485d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 927d 1009d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 76d 221d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 6209 38m 226d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 2987d 2989d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 548d 2180d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2330d 2458d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 53 2h13m 8d03h 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1059d 2483d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 209 1h06m 918d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 440d 666d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1358d 1507d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 2987d 2989d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 86 1d18h 382d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 789d 789d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) wireless -1 1061812 now 2850d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 8715 3h40m 1053d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2247d 2482d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 90 5d10h 660d 0/2 premoderation: reported on 2024/04/08 19:56
android-44 corrupted report -1 7075 2248d 2482d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10619 ticks this GP) idle=1914/1/0x4000000000000000 softirq=94491/94493 fqs=440
	(t=10500 jiffies g=120557 q=63 ncpus=2)
rcu: rcu_preempt kthread starved for 9530 jiffies! g120557 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27504 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562
 schedule+0xb9/0x180 kernel/sched/core.c:6638
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x303/0x1340 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10 arch/x86/kernel/process.c:741
CPU: 0 PID: 18718 Comm: syz.6.3156 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae 54 2e f7 48 89 df e8 f6 1c 2f f7 e8 71 6d 52 f7 fb bf 01 00 00 00 <e8> 96 7d 22 f7 65 8b 05 57 01 cc 75 85 c0 74 02 5b c3 e8 a4 15 ca
RSP: 0018:ffffc900032f7b30 EFLAGS: 00000286
RAX: 0bff0f57adb2b500 RBX: ffff888055f565c0 RCX: 0bff0f57adb2b500
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: 0000000000000001
RBP: ffffc900032f7c90 R08: ffff888055f565c3 R09: 1ffff1100abeacb8
R10: dffffc0000000000 R11: ffffed100abeacb9 R12: dffffc0000000000
R13: 0000000000010000 R14: 0000000000000000 R15: 0000000000000010
FS:  00007f7e914f56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62f0c9f286 CR3: 000000007b3fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 set_current_blocked kernel/signal.c:3044 [inline]
 signal_delivered kernel/signal.c:2907 [inline]
 signal_setup_done+0x2e6/0x490 kernel/signal.c:2919
 handle_signal arch/x86/kernel/signal.c:846 [inline]
 arch_do_signal_or_restart+0xf83/0x1350 arch/x86/kernel/signal.c:873
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7e9044f700
Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 <c3> 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f
RSP: 002b:00007f7e914f4a78 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f7e90815fa0 RCX: 00007f7e9059aeb9
RDX: 00007f7e914f4a80 RSI: 00007f7e914f4bb0 RDI: 0000000000000011
RBP: 00007f7e90608c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7e90816038 R14: 00007f7e90815fa0 R15: 00007ffe4b80ca28
 </TASK>

Crashes (187406):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/29 07:56 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/29 05:12 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/28 21:52 linux-6.1.y cd9b81672742 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/28 20:49 linux-6.1.y cd9b81672742 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/28 09:50 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/28 04:22 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/28 02:26 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 21:52 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 21:50 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 20:21 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/27 19:17 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 17:26 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 14:50 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 14:48 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 09:59 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/27 08:30 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 07:16 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/27 05:02 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/27 03:53 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/27 02:28 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/26 21:34 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/26 20:43 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/26 14:13 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/26 08:40 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/26 05:56 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2026/01/25 23:45 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/25 20:37 linux-6.1.y cd9b81672742 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/25 19:12 linux-6.1.y cd9b81672742 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/25 17:07 linux-6.1.y cd9b81672742 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/25 15:22 linux-6.1.y cd9b81672742 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2026/01/29 09:30 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/29 01:22 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/28 12:57 linux-6.1.y cd9b81672742 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/28 10:22 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/28 08:48 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/28 01:17 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/27 13:33 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/27 12:31 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/27 01:07 linux-6.1.y cd9b81672742 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/26 16:14 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/26 12:55 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/26 11:09 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/26 11:07 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/26 00:57 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/25 22:11 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2026/01/25 22:06 linux-6.1.y cd9b81672742 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2023/03/07 17:14 linux-6.1.y 42616e0f09fb d7ea8bc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
* Struck through repros no longer work on HEAD.