syzbot


corrupted report

Status: upstream: reported on 2023/03/07 17:14
Reported-by: syzbot+ea9a2d620e90898a0a2a@syzkaller.appspotmail.com
First crash: 872d, last: 48m
Similar bugs (22)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 692d 770d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 62d 182d 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 873d 2299d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2064d 2299d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 741d 823d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 65 2h48m 35d 0/1 premoderation: reported on 2025/06/22 05:06
linux-6.6 corrupted report -1 803 7h55m 40d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 2801d 2803d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 362d 1994d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2144d 2272d 0/1 auto-closed as invalid on 2020/01/10 12:28
linux-4.14 corrupted report cramfs -1 6026 873d 2297d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 162 4d23h 732d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 254d 480d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1172d 1321d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 2802d 2803d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 47 1d14h 196d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 603d 603d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) fs -1 956891 5m 2664d 0/29 moderation: reported on 2018/04/11 09:52
linux-5.15 corrupted report -1 6981 6h34m 867d 0/3 upstream: reported on 2023/03/12 22:30
android-49 corrupted report (2) -1 19181 2061d 2296d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 68 14d 474d 0/2 premoderation: reported on 2024/04/08 19:56
android-44 corrupted report -1 7075 2062d 2296d 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: 	1-...!: (10500 ticks this GP) idle=066c/1/0x4000000000000000 softirq=25241/25241 fqs=630
	(t=10502 jiffies g=34589 q=157 ncpus=2)
rcu: rcu_preempt kthread starved for 9242 jiffies! g34589 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27280 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
 schedule+0xb9/0x180 kernel/sched/core.c:6637
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x95/0x380 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 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10 arch/x86/kernel/process.c:741
CPU: 1 PID: 6670 Comm: syz.3.459 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2e 31 43 f7 48 89 df e8 86 f6 43 f7 e8 91 e8 66 f7 fb bf 01 00 00 00 <e8> 36 74 37 f7 65 8b 05 07 35 e2 75 85 c0 74 02 5b c3 e8 54 46 e0
RSP: 0018:ffffc9000d527bb8 EFLAGS: 00000286
RAX: 79ffde1bd095e200 RBX: ffff888055a040c0 RCX: 79ffde1bd095e200
RDX: dffffc0000000000 RSI: ffffffff8a8c0460 RDI: 0000000000000001
RBP: ffff888055a04558 R08: dffffc0000000000 R09: ffffed100ab40819
R10: ffffed100ab40819 R11: 1ffff1100ab40818 R12: 1ffff1100ab408ab
R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f05a26ec6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 0000000073603000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x1163/0x1350 kernel/signal.c:2874
 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 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:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f05a178e9a7
Code: ff ff 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
RSP: 002b:00007f05a26ec0e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f05a19b5fa8 RCX: 00007f05a178e9a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f05a19b5fa8
RBP: 00007f05a19b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05a19b5fac
R13: 0000000000000000 R14: 00007ffd0c75f7b0 R15: 00007ffd0c75f898
 </TASK>
sched: RT throttling activated
hrtimer: interrupt took 484949333 ns

Crashes (184526):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/26 23:22 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/26 14:48 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2025/07/26 10:41 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2025/07/25 20:59 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/25 19:56 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/25 14:59 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/25 13:48 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/25 08:52 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/25 05:02 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2025/07/24 16:59 linux-6.1.y 3594f306da12 65d60d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/24 15:01 linux-6.1.y 3594f306da12 65d60d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/24 12:03 linux-6.1.y 3594f306da12 65d60d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/24 06:53 linux-6.1.y 3369c6df2fae 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/23 17:35 linux-6.1.y 3369c6df2fae e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/23 17:29 linux-6.1.y 3369c6df2fae e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/23 13:42 linux-6.1.y 3369c6df2fae e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/23 00:17 linux-6.1.y 3369c6df2fae 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/22 18:18 linux-6.1.y 3369c6df2fae 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/22 08:31 linux-6.1.y 3369c6df2fae 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/22 06:05 linux-6.1.y 3369c6df2fae 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/22 03:53 linux-6.1.y 3369c6df2fae 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/21 16:03 linux-6.1.y 3369c6df2fae 56d87229 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/20 09:48 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/20 02:11 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/19 08:07 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/19 04:10 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/18 10:03 linux-6.1.y 3369c6df2fae 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/18 07:48 linux-6.1.y 3369c6df2fae 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/18 06:00 linux-6.1.y 3369c6df2fae 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/18 02:31 linux-6.1.y 3369c6df2fae 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf corrupted report
2025/07/17 22:34 linux-6.1.y f2198ea7eb3e 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/17 12:33 linux-6.1.y f2198ea7eb3e 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/17 07:39 linux-6.1.y f2198ea7eb3e 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/17 00:43 linux-6.1.y f2198ea7eb3e 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/16 22:05 linux-6.1.y f2198ea7eb3e 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/16 17:30 linux-6.1.y f2198ea7eb3e 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan corrupted report
2025/07/27 10:19 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/27 04:14 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/26 20:28 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/26 00:52 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/22 17:08 linux-6.1.y 3369c6df2fae 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/21 21:02 linux-6.1.y 3369c6df2fae 56d87229 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/19 11:18 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/19 11:16 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/17 19:52 linux-6.1.y f2198ea7eb3e 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 corrupted report
2025/07/17 03:46 linux-6.1.y f2198ea7eb3e 44f8051e .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.