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corrupted report

Status: upstream: reported on 2023/03/12 22:30
Reported-by: syzbot+9987a800782441ea44a0@syzkaller.appspotmail.com
First crash: 1175d, last: 2h15m
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 1000d 1078d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 369d 490d 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 1181d 2606d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2372d 2607d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 1049d 1131d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 191 198d 342d 0/1 auto-obsoleted due to no activity on 2026/01/03 01:56
linux-6.6 corrupted report -1 9388 2h20m 348d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 3109d 3111d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 670d 2301d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2452d 2580d 0/1 auto-closed as invalid on 2020/01/10 12:28
android-6-12 corrupted report (2) -1 1152 4h04m 129d 0/1 premoderation: reported on 2026/01/21 07:36
linux-4.14 corrupted report cramfs -1 6026 1181d 2605d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 420 1d06h 1040d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 562d 788d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1479d 1628d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 3109d 3111d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 233 7h35m 504d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 910d 910d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) jfs hfs sound prio:low -1 1116460 now 2971d 0/29 moderation: reported on 2018/04/11 09:52
android-49 corrupted report (2) -1 19181 2369d 2603d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 107 40d 782d 0/2 premoderation: reported on 2024/04/08 19:56
linux-6.1 corrupted report -1 189251 1h03m 1180d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2370d 2603d 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: 	0-....: (1 GPs behind) idle=445/1/0x4000000000000000 softirq=15169/15170 fqs=2100 
	(detected by 1, t=10505 jiffies, g=18041, q=1223)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7619 Comm: syz.3.934 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x84/0x290 mm/kasan/generic.c:189
Code: 49 c1 e9 03 4b 8d 1c 21 49 89 df 4d 29 df 49 83 ff 10 7f 29 4d 85 ff 0f 84 38 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 41 80 3b 00 <0f> 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00 00 44 89 dd
RSP: 0018:ffffc90002fbecb0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff815d9504
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d89f828
RBP: ffffc90002fbedf0 R08: ffffffff8d89f82f R09: 1ffffffff1b13f05
R10: dffffc0000000000 R11: fffffbfff1b13f05 R12: dffffc0000000001
R13: dffffc0000000000 R14: 1ffffffff1b13f05 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2d9f83 CR3: 00000000655be000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
 cpu_online include/linux/cpumask.h:895 [inline]
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0xa4/0x8a0 kernel/locking/lockdep.c:5634
 rcu_read_unlock include/linux/rcupdate.h:773 [inline]
 __perf_event_output kernel/events/core.c:7813 [inline]
 perf_event_output_forward+0x261/0x2e0 kernel/events/core.c:7822
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x383/0xbf0 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 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 d2 df 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:ffffc90002fbf420 EFLAGS: 00000206
RAX: 5213934581c05300 RBX: 1ffff920005f7e88 RCX: 5213934581c05300
RDX: dffffc0000000000 RSI: ffffffff8a2b3100 RDI: ffffffff8a7a0700
RBP: ffffc90002fbf4f0 R08: ffffffff901d60c7 R09: 1ffffffff203ac18
R10: dffffc0000000000 R11: fffffbfff203ac19 R12: ffffffff8c323800
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 zap_pte_range mm/memory.c:1384 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xf96/0x2500 mm/memory.c:1576
 unmap_vmas+0x131/0x250 mm/memory.c:1653
 exit_mmap+0x3b9/0x640 mm/mmap.c:3216
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x5f7/0x770 kernel/exit.c:551
 do_exit+0x5a9/0x20c0 kernel/exit.c:871
 do_group_exit+0x12e/0x300 kernel/exit.c:998
 get_signal+0x6d6/0x12d0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xe7/0x12c0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fde3d211e59
Code: Unable to access opcode bytes at RIP 0x7fde3d211e2f.
RSP: 002b:00007fde3b46b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fde3d48afa8 RCX: 00007fde3d211e59
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fde3d48afac
RBP: 00007fde3d48afa0 R08: 0013648b1aec40b6 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde3d48b038 R14: 00007fff8ec16a80 R15: 00007fff8ec16b68
 </TASK>

Crashes (9838):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/31 01:04 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 23:36 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 22:21 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 21:07 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/30 15:12 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 12:04 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 11:02 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/30 09:08 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/30 07:25 linux-5.15.y 241d66fa280c 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/29 00:07 linux-5.15.y 241d66fa280c 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/28 14:23 linux-5.15.y 241d66fa280c 681715f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/28 08:08 linux-5.15.y 241d66fa280c 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/28 04:18 linux-5.15.y 241d66fa280c 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/28 02:19 linux-5.15.y 241d66fa280c 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/27 20:38 linux-5.15.y 241d66fa280c 8777bdc3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 19:12 linux-5.15.y 241d66fa280c 8777bdc3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 17:25 linux-5.15.y 241d66fa280c 8777bdc3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/27 14:52 linux-5.15.y 241d66fa280c 8777bdc3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 03:51 linux-5.15.y 241d66fa280c 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 02:22 linux-5.15.y 241d66fa280c 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 02:06 linux-5.15.y 241d66fa280c 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/27 00:11 linux-5.15.y 241d66fa280c 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/26 19:17 linux-5.15.y 241d66fa280c a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/26 16:52 linux-5.15.y 241d66fa280c a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/26 12:46 linux-5.15.y 241d66fa280c a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/26 10:04 linux-5.15.y 241d66fa280c a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/26 08:50 linux-5.15.y 241d66fa280c a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/26 03:08 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/26 01:05 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 20:20 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/25 18:07 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 16:33 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/25 10:36 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 07:16 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 06:32 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 02:57 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/25 01:38 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 23:29 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 21:59 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 20:58 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 18:33 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2026/05/24 11:17 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 09:08 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/24 01:07 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 23:14 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 21:44 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 20:36 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 17:47 linux-5.15.y 241d66fa280c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 11:34 linux-5.15.y 93741761e5e3 c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 10:19 linux-5.15.y 93741761e5e3 c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2026/05/23 08:50 linux-5.15.y 93741761e5e3 c69befb3 .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.