syzbot


corrupted report

Status: upstream: reported on 2023/03/12 22:30
Reported-by: syzbot+9987a800782441ea44a0@syzkaller.appspotmail.com
First crash: 1120d, last: 1h49m
Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 945d 1023d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 314d 435d 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 1126d 2551d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2317d 2552d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 994d 1076d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 142d 287d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 7542 9m 293d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3054d 3056d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 615d 2246d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2397d 2525d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 710 19m 74d 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1126d 2550d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 329 2h08m 985d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 507d 733d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1424d 1573d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3054d 3056d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 167 2d06h 449d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 855d 855d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) mm block -1 1092412 now 2916d 0/29 moderation: reported on 2018/04/11 09:52
android-49 corrupted report (2) -1 19181 2314d 2548d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 102 2h40m 727d 0/2 premoderation: reported on 2024/04/08 19:56
linux-6.1 corrupted report -1 188349 45m 1125d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2315d 2548d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (1 GPs behind) idle=8c1/1/0x4000000000000002 softirq=16246/16247 fqs=5092 
	(detected by 0, t=10502 jiffies, g=21025, q=930)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7188 Comm: syz.0.739 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0x854/0x8a0 kernel/locking/lockdep.c:5634
Code: 80 3c 08 00 74 08 4c 89 f7 e8 18 a2 60 00 49 8b 3e 48 8b 74 24 08 48 8b 54 24 30 e8 36 27 ff ff 65 ff 0d 57 e5 a4 7e 4d 89 fc <0f> 85 23 f8 ff ff e8 b9 f2 a2 ff e9 19 f8 ff ff 48 c7 c1 08 17 8a
RSP: 0018:ffffc90000dd0360 EFLAGS: 00000002
RAX: fc4cba72be38a100 RBX: 0000000000000001 RCX: fc4cba72be38a100
RDX: ffffffff81830ef5 RSI: ffffffff8a79f960 RDI: ffffffff8a79f920
RBP: ffffc90000dd0470 R08: ffffffff8d89e36f R09: 1ffffffff1b13c6d
R10: dffffc0000000000 R11: fffffbfff1b13c6e R12: 1ffff920001ba078
R13: dffffc0000000000 R14: ffff8880751b8998 R15: 1ffff920001ba078
FS:  00007f66de39c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000029c0 CR3: 000000007af10000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_read_unlock include/linux/rcupdate.h:773 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1444 [inline]
 trace_call_bpf+0x4fe/0x5b0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 12 f2 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000dd07a0 EFLAGS: 00000206
RAX: fc4cba72be38a100 RBX: 1ffff920001ba0f8 RCX: fc4cba72be38a100
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980
RBP: ffffc90000dd0880 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 netif_receive_skb_list_internal+0x961/0xbd0 net/core/dev.c:5786
 gro_normal_list net/core/dev.c:5939 [inline]
 napi_complete_done+0x378/0x850 net/core/dev.c:6677
 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline]
 virtnet_poll+0x955/0xf40 drivers/net/virtio_net.c:1624
 __napi_poll+0xc0/0x430 net/core/dev.c:7101
 napi_poll net/core/dev.c:7168 [inline]
 net_rx_action+0x4d4/0xa10 net/core/dev.c:7258
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 common_interrupt+0xb5/0xd0 arch/x86/kernel/irq.c:242
 </IRQ>
 <TASK>
 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:finish_lock_switch+0x134/0x280 kernel/sched/core.c:4804
Code: be ff ff ff ff e8 6c 01 68 08 85 c0 74 4a 4d 85 ff 75 66 0f 1f 44 00 00 48 89 df e8 16 6d 71 08 e8 f1 e2 2a 00 fb 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 89 df e8 c9 09 fe ff 43 80 3c
RSP: 0018:ffffc900033ff668 EFLAGS: 00000282
RAX: fc4cba72be38a100 RBX: ffff8880b913a340 RCX: fc4cba72be38a100
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980
RBP: 1ffff11017227613 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: 1ffff110172275c1
R13: dffffc0000000000 R14: ffff8880b913ae08 R15: 0000000000000000
 finish_task_switch+0x12f/0x640 kernel/sched/core.c:4921
 context_switch kernel/sched/core.c:5052 [inline]
 __schedule+0x11f7/0x43c0 kernel/sched/core.c:6395
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6571
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6596
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 put_obj_stock mm/memcontrol.c:2179 [inline]
 refill_obj_stock+0x3a0/0x470 mm/memcontrol.c:3256
 obj_cgroup_charge+0x1c3/0x320 mm/memcontrol.c:3301
 memcg_slab_pre_alloc_hook mm/slab.h:287 [inline]
 slab_pre_alloc_hook+0x9f/0xc0 mm/slab.h:497
 slab_alloc_node mm/slub.c:3139 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238
 __d_alloc+0x2a/0x6f0 fs/dcache.c:1749
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1880
 alloc_file_pseudo+0xe0/0x200 fs/file_table.c:256
 __anon_inode_getfile fs/anon_inodes.c:109 [inline]
 anon_inode_getfile+0xc1/0x1a0 fs/anon_inodes.c:147
 __do_sys_perf_event_open kernel/events/core.c:12613 [inline]
 __se_sys_perf_event_open+0xc02/0x1bb0 kernel/events/core.c:12387
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f66e0142819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f66de39c028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f66e03bbfa0 RCX: 00007f66e0142819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000001200
RBP: 00007f66e01d8c91 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66e03bc038 R14: 00007f66e03bbfa0 R15: 00007fffcde5ee78
 </TASK>

Crashes (9317):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/05 23:22 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/05 22:01 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/05 20:24 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/05 16:12 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/05 12:10 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/05 07:28 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/05 02:21 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/04 22:38 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/04 17:06 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/04 14:12 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/04 13:05 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/04 11:08 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/04 01:56 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/03 13:01 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/03 11:57 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/03 10:56 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/03 06:50 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/03 05:45 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/03 04:23 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/03 01:58 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/03 00:56 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/02 16:04 linux-5.15.y 91d48252ad4b 91bc79b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/02 08:03 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/02 06:41 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/02 06:23 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/02 04:53 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/01 16:19 linux-5.15.y 91d48252ad4b 9a1f7828 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/01 08:38 linux-5.15.y 91d48252ad4b fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/01 06:32 linux-5.15.y 91d48252ad4b fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/01 04:27 linux-5.15.y 91d48252ad4b fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/04/01 03:16 linux-5.15.y 91d48252ad4b fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/04/01 01:09 linux-5.15.y 91d48252ad4b fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/31 15:07 linux-5.15.y 91d48252ad4b aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/31 13:42 linux-5.15.y 91d48252ad4b aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/31 08:03 linux-5.15.y 91d48252ad4b d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/31 06:53 linux-5.15.y 91d48252ad4b d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/31 04:54 linux-5.15.y 91d48252ad4b d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/30 23:44 linux-5.15.y 91d48252ad4b d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/30 16:45 linux-5.15.y 91d48252ad4b dcaebc52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/30 14:43 linux-5.15.y 91d48252ad4b dcaebc52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/30 12:06 linux-5.15.y 91d48252ad4b dcaebc52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/29 23:18 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/29 21:25 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/29 19:08 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/29 17:51 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/29 05:13 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/29 02:02 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/28 19:31 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/28 12:24 linux-5.15.y 91d48252ad4b 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/28 08:18 linux-5.15.y 91d48252ad4b 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/28 07:15 linux-5.15.y 91d48252ad4b 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/03/28 05:42 linux-5.15.y 91d48252ad4b 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/03/27 19:36 linux-5.15.y 91d48252ad4b 74a13a23 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/28 18:10 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2023/03/12 22:30 linux-5.15.y bbf9f29bac04 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
* Struck through repros no longer work on HEAD.