syzbot


corrupted report

Status: upstream: reported on 2023/03/12 22:30
Reported-by: syzbot+9987a800782441ea44a0@syzkaller.appspotmail.com
First crash: 899d, last: 1h07m
Similar bugs (22)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 corrupted report (2) -1 6 725d 803d 0/2 auto-obsoleted due to no activity on 2023/12/02 13:09
android-54 corrupted report (2) -1 105976 94d 215d 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 906d 2331d 0/1 upstream: reported on 2019/04/11 04:14
android-414 corrupted report -1 5888 2097d 2332d 0/1 auto-closed as invalid on 2020/02/29 14:20
android-5-15 corrupted report -1 4 774d 856d 0/2 auto-obsoleted due to no activity on 2023/10/14 13:19
android-6-12 corrupted report -1 117 8h18m 67d 0/1 premoderation: reported on 2025/06/22 05:06
linux-6.6 corrupted report -1 1764 12m 72d 0/2 upstream: reported on 2025/06/16 23:08
upstream corrupted report -1 29 2834d 2836d 0/29 closed as invalid on 2017/11/24 12:19
android-54 corrupted report -1 860856 395d 2026d 0/2 auto-obsoleted due to no activity on 2024/10/07 14:17
linux-4.4 corrupted report -1 12 2177d 2305d 0/1 auto-closed as invalid on 2020/01/10 12:28
linux-4.14 corrupted report cramfs -1 6026 906d 2329d 0/1 upstream: reported on 2019/04/12 21:21
android-6-1 corrupted report -1 175 3d16h 764d 0/2 premoderation: reported on 2023/07/25 23:06
android-5-15 corrupted report (3) -1 71 287d 512d 0/2 auto-obsoleted due to no activity on 2025/01/03 14:55
android-5-10 corrupted report -1 289 1204d 1353d 0/2 auto-closed as invalid on 2022/07/11 05:59
android-49 corrupted report -1 567 2834d 2836d 0/3 closed as invalid on 2017/11/24 12:19
android-5-15 corrupted report (4) -1 59 4h01m 229d 0/2 premoderation: reported on 2025/01/11 16:11
android-5-15 corrupted report (2) -1 1 635d 635d 0/2 auto-obsoleted due to no activity on 2024/03/01 04:17
upstream corrupted report (2) kernel -1 972800 8m 2696d 0/29 moderation: reported on 2018/04/11 09:52
android-49 corrupted report (2) -1 19181 2094d 2328d 0/3 auto-closed as invalid on 2020/03/03 12:39
android-5-10 corrupted report (3) -1 69 2d21h 506d 0/2 premoderation: reported on 2024/04/08 19:56
linux-6.1 corrupted report -1 184782 2h14m 905d 0/3 upstream: reported on 2023/03/07 17:14
android-44 corrupted report -1 7075 2094d 2328d 0/2 auto-closed as invalid on 2020/03/02 23:26

Sample crash report:
WARNING: CPU: 0 PID: 5897 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 5897 Comm: rm Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed f7 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 70 f4 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000007a08 EFLAGS: 00010246
RAX: ffffffff819ecfb0 RBX: 0000000000000000 RCX: ffff88806657d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff6e19
R10: fffffbfff1ff6e19 R11: 1ffffffff1ff6e18 R12: ffff88806657f0c8
R13: 1ffff92000000f50 R14: ffffc90000007a68 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5c511b4e9c CR3: 000000000be8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
 ____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_7e47b8e39696360c+0x32/0x95c
 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run3+0x17e/0x320 kernel/trace/bpf_trace.c:1916
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x1e7/0x210 mm/slub.c:3516
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2c/0x60 kernel/kcov.c:206
Code: 04 24 65 48 8b 0d 94 ab 8a 7e 65 8b 15 95 ab 8a 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c <8b> 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48
RSP: 0018:ffffc90002e6fa90 EFLAGS: 00000246
RAX: ffffffff8135654d RBX: ffff888023e3d840 RCX: ffff88806657d940
RDX: 0000000000000000 RSI: ffff888023e3d840 RDI: ffff888023e3d840
RBP: ffffc90002e6fc58 R08: dffffc0000000000 R09: ffffed100ccafb29
R10: ffffed100ccafb29 R11: 1ffff1100ccafb28 R12: dffffc0000000000
R13: ffff88801a1d1630 R14: ffff888023e3d840 R15: ffff888140007a00
 __phys_addr+0xd/0x170 arch/x86/mm/physaddr.c:16
 virt_to_head_page include/linux/mm.h:900 [inline]
 kmem_cache_free+0x38/0x210 mm/slub.c:3515
 remove_vma mm/mmap.c:187 [inline]
 exit_mmap+0x4d8/0x5f0 mm/mmap.c:3223
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x567/0x6c0 kernel/exit.c:550
 do_exit+0x5a1/0x20a0 kernel/exit.c:870
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 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: 0033:0x7f5c513136c5
Code: Unable to access opcode bytes at RIP 0x7f5c5131369b.
RSP: 002b:00007ffcbbd40f68 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5c51414fe8 RCX: 00007f5c513136c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007ffcbbd40ef8 R09: 0000000000000000
R10: 00007ffcbbd40d90 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5c51413680 R15: 00007f5c51415000
 </TASK>
----------------
Code disassembly (best guess):
   0:	04 24                	add    $0x24,%al
   2:	65 48 8b 0d 94 ab 8a 	mov    %gs:0x7e8aab94(%rip),%rcx        # 0x7e8aab9e
   9:	7e
   a:	65 8b 15 95 ab 8a 7e 	mov    %gs:0x7e8aab95(%rip),%edx        # 0x7e8aaba6
  11:	81 e2 00 01 ff 00    	and    $0xff0100,%edx
  17:	74 11                	je     0x2a
  19:	81 fa 00 01 00 00    	cmp    $0x100,%edx
  1f:	75 35                	jne    0x56
  21:	83 b9 34 16 00 00 00 	cmpl   $0x0,0x1634(%rcx)
  28:	74 2c                	je     0x56
* 2a:	8b 91 10 16 00 00    	mov    0x1610(%rcx),%edx <-- trapping instruction
  30:	83 fa 02             	cmp    $0x2,%edx
  33:	75 21                	jne    0x56
  35:	48 8b 91 18 16 00 00 	mov    0x1618(%rcx),%rdx
  3c:	48 8b 32             	mov    (%rdx),%rsi
  3f:	48                   	rex.W

Crashes (7252):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/28 05:03 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/27 23:07 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 22:03 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/27 15:31 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 12:49 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 12:40 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 09:49 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/27 04:10 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 03:06 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/27 00:26 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/26 21:16 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/26 10:20 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/26 09:19 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/26 02:12 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/26 01:01 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/25 21:39 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/25 06:13 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/24 22:08 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/24 16:07 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/24 14:30 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/24 13:16 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/24 06:53 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/23 17:23 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/23 14:22 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/23 13:13 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/23 07:37 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/22 22:53 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/22 21:15 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/22 16:51 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/22 14:55 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan corrupted report
2025/08/21 23:48 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/21 11:46 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/21 10:29 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/21 07:15 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/20 19:41 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf corrupted report
2025/08/20 16:33 linux-5.15.y c79648372d02 0b9605c8 .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
2025/08/28 00:26 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/26 17:48 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/26 14:24 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/25 19:06 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/25 17:32 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/22 04:43 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/22 04:41 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/21 15:04 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/21 05:44 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/21 01:51 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/21 01:51 linux-5.15.y c79648372d02 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/20 13:27 linux-5.15.y c79648372d02 79512909 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 corrupted report
2025/08/20 10:39 linux-5.15.y c79648372d02 79512909 .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.