[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. syzkaller login: [ 73.405895][ T8471] FAULT_INJECTION: forcing a failure. [ 73.405895][ T8471] name failslab, interval 1, probability 0, space 0, times 1 [ 73.418835][ T8471] CPU: 0 PID: 8471 Comm: syz-executor814 Not tainted 5.11.0-rc3-syzkaller #0 [ 73.427766][ T8471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.438266][ T8471] Call Trace: [ 73.442129][ T8471] dump_stack+0x107/0x163 [ 73.446767][ T8471] should_fail.cold+0x5/0xa [ 73.451290][ T8471] ? security_file_alloc+0x34/0x170 [ 73.456617][ T8471] should_failslab+0x5/0x10 [ 73.461126][ T8471] kmem_cache_alloc+0x5b/0x440 [ 73.466067][ T8471] security_file_alloc+0x34/0x170 [ 73.471635][ T8471] __alloc_file+0xd8/0x280 [ 73.476268][ T8471] alloc_empty_file+0x6d/0x170 [ 73.481069][ T8471] path_openat+0xe3/0x2730 [ 73.485940][ T8471] ? __lock_acquire+0x16c2/0x54f0 [ 73.491446][ T8471] ? path_lookupat+0x830/0x830 [ 73.496412][ T8471] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.502866][ T8471] do_filp_open+0x17e/0x3c0 [ 73.507391][ T8471] ? may_open_dev+0xf0/0xf0 [ 73.511918][ T8471] ? alloc_fd+0x2bc/0x640 [ 73.516268][ T8471] ? lock_downgrade+0x6d0/0x6d0 [ 73.521241][ T8471] ? do_raw_spin_lock+0x120/0x2b0 [ 73.526689][ T8471] ? rwlock_bug.part.0+0x90/0x90 [ 73.532193][ T8471] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.538474][ T8471] ? _raw_spin_unlock+0x24/0x40 [ 73.543366][ T8471] ? alloc_fd+0x2bc/0x640 [ 73.547717][ T8471] do_sys_openat2+0x16d/0x420 [ 73.552442][ T8471] ? build_open_flags+0x680/0x680 [ 73.557589][ T8471] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 73.563670][ T8471] __x64_sys_open+0x119/0x1c0 [ 73.568592][ T8471] ? do_sys_open+0x140/0x140 [ 73.573617][ T8471] ? syscall_enter_from_user_mode+0x1d/0x50 [ 73.579825][ T8471] do_syscall_64+0x2d/0x70 [ 73.584473][ T8471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.590608][ T8471] RIP: 0033:0x4011b0 [ 73.594549][ T8471] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 1d 25 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 73.614296][ T8471] RSP: 002b:00007ffea5e64068 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 73.622719][ T8471] RAX: ffffffffffffffda RBX: 00007ffea5e64091 RCX: 00000000004011b0 [ 73.630822][ T8471] RDX: 00007ffea5e64096 RSI: 0000000000080001 RDI: 00000000004a2648 [ 73.638952][ T8471] RBP: 00007ffea5e64090 R08: 0000000000000000 R09: 0000000000000001 [ 73.647346][ T8471] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a2648 executing program [ 73.655581][ T8471] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.675899][ T8472] FAULT_INJECTION: forcing a failure. [ 73.675899][ T8472] name failslab, interval 1, probability 0, space 0, times 0 [ 73.688908][ T8472] CPU: 1 PID: 8472 Comm: syz-executor814 Not tainted 5.11.0-rc3-syzkaller #0 [ 73.698157][ T8472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.710111][ T8472] Call Trace: [ 73.717099][ T8472] dump_stack+0x107/0x163 [ 73.721773][ T8472] should_fail.cold+0x5/0xa [ 73.726297][ T8472] ? percpu_ref_init+0xcc/0x3a0 [ 73.731177][ T8472] ? percpu_ref_init+0xcc/0x3a0 [ 73.737039][ T8472] should_failslab+0x5/0x10 [ 73.741832][ T8472] kmem_cache_alloc_trace+0x55/0x360 [ 73.747259][ T8472] ? __io_openat_prep+0x390/0x390 [ 73.752563][ T8472] percpu_ref_init+0xcc/0x3a0 [ 73.757601][ T8472] ? ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 73.763813][ T8472] io_uring_setup+0x676/0x38e0 [ 73.769000][ T8472] ? lock_downgrade+0x6d0/0x6d0 [ 73.774535][ T8472] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.782388][ T8472] ? proc_task_getattr+0x1e0/0x1e0 [ 73.787536][ T8472] ? io_wq_submit_work+0x6f0/0x6f0 [ 73.792700][ T8472] ? syscall_enter_from_user_mode+0x1d/0x50 [ 73.801384][ T8472] do_syscall_64+0x2d/0x70 [ 73.805847][ T8472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.811801][ T8472] RIP: 0033:0x441309 [ 73.815736][ T8472] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.836092][ T8472] RSP: 002b:00007ffea5e64578 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 73.844534][ T8472] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441309 executing program [ 73.852872][ T8472] RDX: 0000000000000001 RSI: 0000000020000300 RDI: 00000000000000ff [ 73.861363][ T8472] RBP: 00000000004a2798 R08: 0000000000000001 R09: 00000000004002c8 [ 73.869378][ T8472] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021d0 [ 73.878733][ T8472] R13: 0000000000402260 R14: 0000000000000000 R15: 0000000000000000 [ 73.897133][ T8473] FAULT_INJECTION: forcing a failure. [ 73.897133][ T8473] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 73.910625][ T8473] CPU: 1 PID: 8473 Comm: syz-executor814 Not tainted 5.11.0-rc3-syzkaller #0 [ 73.919393][ T8473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.946651][ T8473] Call Trace: [ 73.949976][ T8473] dump_stack+0x107/0x163 [ 73.954333][ T8473] should_fail.cold+0x5/0xa [ 73.959017][ T8473] __alloc_pages_nodemask+0x189/0x730 [ 73.964530][ T8473] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 73.971330][ T8473] ? up_write+0x191/0x560 [ 73.975861][ T8473] ? downgrade_write+0x3a0/0x3a0 [ 73.981205][ T8473] alloc_pages_current+0x18c/0x2a0 [ 73.986522][ T8473] __get_free_pages+0x8/0x40 [ 73.991381][ T8473] io_uring_setup+0x1513/0x38e0 [ 73.996378][ T8473] ? lock_downgrade+0x6d0/0x6d0 [ 74.001703][ T8473] ? proc_task_getattr+0x1e0/0x1e0 [ 74.007943][ T8473] ? io_wq_submit_work+0x6f0/0x6f0 [ 74.013315][ T8473] ? syscall_enter_from_user_mode+0x1d/0x50 [ 74.019326][ T8473] do_syscall_64+0x2d/0x70 [ 74.024105][ T8473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.032993][ T8473] RIP: 0033:0x441309 [ 74.037168][ T8473] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.059242][ T8473] RSP: 002b:00007ffea5e64578 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 74.067685][ T8473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441309 [ 74.075747][ T8473] RDX: 0000000000000001 RSI: 0000000020000300 RDI: 00000000000000ff [ 74.084521][ T8473] RBP: 0000000000011fc2 R08: 0000000000000001 R09: 00000000004002c8 [ 74.092717][ T8473] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021d0 [ 74.102636][ T8473] R13: 0000000000402260 R14: 0000000000000000 R15: 0000000000000000 [ 74.111517][ T8473] general protection fault, probably for non-canonical address 0xdffffc0000000022: 0000 [#1] PREEMPT SMP KASAN [ 74.123256][ T8473] KASAN: null-ptr-deref in range [0x0000000000000110-0x0000000000000117] [ 74.131665][ T8473] CPU: 1 PID: 8473 Comm: syz-executor814 Not tainted 5.11.0-rc3-syzkaller #0 [ 74.140520][ T8473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.150568][ T8473] RIP: 0010:io_disable_sqo_submit+0xdb/0x130 [ 74.157091][ T8473] Code: fa 48 c1 ea 03 80 3c 02 00 75 62 48 8b 9b c0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 14 01 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1d 83 [ 74.181256][ T8473] RSP: 0018:ffffc9000154fd78 EFLAGS: 00010007 [ 74.187539][ T8473] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff815976e0 [ 74.195788][ T8473] RDX: 0000000000000022 RSI: 0000000000000004 RDI: 0000000000000114 [ 74.203775][ T8473] RBP: ffff8880149ee480 R08: 0000000000000001 R09: 0000000000000003 [ 74.212457][ T8473] R10: fffff520002a9fa1 R11: 1ffffffff1d308df R12: fffffffffffffff4 [ 74.220452][ T8473] R13: 0000000000000001 R14: ffff8880149ee054 R15: ffff8880149ee000 [ 74.228521][ T8473] FS: 0000000000be4880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 74.238142][ T8473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.245893][ T8473] CR2: 0000000020000304 CR3: 0000000014b50000 CR4: 00000000001506e0 [ 74.254668][ T8473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.265702][ T8473] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.274609][ T8473] Call Trace: [ 74.277970][ T8473] io_uring_setup+0x12b1/0x38e0 [ 74.282984][ T8473] ? lock_downgrade+0x6d0/0x6d0 [ 74.287859][ T8473] ? proc_task_getattr+0x1e0/0x1e0 [ 74.293017][ T8473] ? io_wq_submit_work+0x6f0/0x6f0 [ 74.298345][ T8473] ? syscall_enter_from_user_mode+0x1d/0x50 [ 74.304395][ T8473] do_syscall_64+0x2d/0x70 [ 74.308965][ T8473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.314885][ T8473] RIP: 0033:0x441309 [ 74.318788][ T8473] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.338407][ T8473] RSP: 002b:00007ffea5e64578 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 74.346839][ T8473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441309 [ 74.354817][ T8473] RDX: 0000000000000001 RSI: 0000000020000300 RDI: 00000000000000ff [ 74.363893][ T8473] RBP: 0000000000011fc2 R08: 0000000000000001 R09: 00000000004002c8 [ 74.372562][ T8473] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021d0 [ 74.381178][ T8473] R13: 0000000000402260 R14: 0000000000000000 R15: 0000000000000000 [ 74.389156][ T8473] Modules linked in: [ 74.393089][ T8473] ---[ end trace 0941172fec2041bb ]--- [ 74.398837][ T8473] RIP: 0010:io_disable_sqo_submit+0xdb/0x130 [ 74.405963][ T8473] Code: fa 48 c1 ea 03 80 3c 02 00 75 62 48 8b 9b c0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 14 01 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1d 83 [ 74.426295][ T8473] RSP: 0018:ffffc9000154fd78 EFLAGS: 00010007 [ 74.432814][ T8473] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff815976e0 [ 74.442373][ T8473] RDX: 0000000000000022 RSI: 0000000000000004 RDI: 0000000000000114 [ 74.450733][ T8473] RBP: ffff8880149ee480 R08: 0000000000000001 R09: 0000000000000003 [ 74.459006][ T8473] R10: fffff520002a9fa1 R11: 1ffffffff1d308df R12: fffffffffffffff4 [ 74.467806][ T8473] R13: 0000000000000001 R14: ffff8880149ee054 R15: ffff8880149ee000 [ 74.476510][ T8473] FS: 0000000000be4880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 74.486221][ T8473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.494550][ T8473] CR2: 0000000020000304 CR3: 0000000014b50000 CR4: 00000000001506e0 [ 74.502537][ T8473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.510516][ T8473] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.518536][ T8473] Kernel panic - not syncing: Fatal exception [ 74.525214][ T8473] Kernel Offset: disabled [ 74.529564][ T8473] Rebooting in 86400 seconds..