[ 61.548747][ T26] audit: type=1800 audit(1574265203.495:25): pid=8569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 61.574200][ T26] audit: type=1800 audit(1574265203.495:26): pid=8569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.626849][ T26] audit: type=1800 audit(1574265203.495:27): pid=8569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 62.030975][ T8635] sshd (8635) used greatest stack depth: 22888 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts. syzkaller login: [ 71.964997][ T8721] FAULT_INJECTION: forcing a failure. [ 71.964997][ T8721] name failslab, interval 1, probability 0, space 0, times 1 [ 71.978518][ T8721] CPU: 1 PID: 8721 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 71.988392][ T8721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.000425][ T8721] Call Trace: [ 72.003696][ T8721] dump_stack+0x197/0x210 [ 72.008010][ T8721] should_fail.cold+0xa/0x15 [ 72.012581][ T8721] ? fault_create_debugfs_attr+0x180/0x180 [ 72.018383][ T8721] ? ___might_sleep+0x163/0x2c0 [ 72.023214][ T8721] __should_failslab+0x121/0x190 [ 72.028130][ T8721] should_failslab+0x9/0x14 [ 72.033565][ T8721] __kmalloc+0x2e0/0x770 [ 72.037783][ T8721] ? tomoyo_unix_entry.cold+0x1f/0x1f [ 72.043142][ T8721] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 72.048924][ T8721] ? tomoyo_encode2.part.0+0xf5/0x400 [ 72.054284][ T8721] tomoyo_encode2.part.0+0xf5/0x400 [ 72.059465][ T8721] ? __kasan_check_read+0x11/0x20 [ 72.064491][ T8721] tomoyo_encode+0x2b/0x50 [ 72.068888][ T8721] tomoyo_realpath_from_path+0x1d3/0x7b0 [ 72.074498][ T8721] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 72.080738][ T8721] tomoyo_check_open_permission+0x2a3/0x3e0 [ 72.086610][ T8721] ? tomoyo_path_number_perm+0x520/0x520 [ 72.092242][ T8721] ? lock_downgrade+0x920/0x920 [ 72.097069][ T8721] ? rwlock_bug.part.0+0x90/0x90 [ 72.101984][ T8721] tomoyo_file_open+0x106/0x150 [ 72.106813][ T8721] security_file_open+0x71/0x300 [ 72.111750][ T8721] do_dentry_open+0x37a/0x1380 [ 72.116494][ T8721] ? chown_common+0x5c0/0x5c0 [ 72.121157][ T8721] ? inode_permission+0xb4/0x520 [ 72.126075][ T8721] vfs_open+0xa0/0xd0 [ 72.130041][ T8721] path_openat+0x10e4/0x4710 [ 72.134611][ T8721] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 72.140398][ T8721] ? kasan_slab_alloc+0xf/0x20 [ 72.145157][ T8721] ? kmem_cache_alloc+0x121/0x710 [ 72.150175][ T8721] ? getname_flags+0xd6/0x5b0 [ 72.154828][ T8721] ? getname+0x1a/0x20 [ 72.158875][ T8721] ? do_sys_open+0x2c9/0x5d0 [ 72.163446][ T8721] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 72.168801][ T8721] ? __alloc_fd+0x487/0x620 [ 72.173293][ T8721] do_filp_open+0x1a1/0x280 [ 72.177774][ T8721] ? may_open_dev+0x100/0x100 [ 72.182455][ T8721] ? do_raw_spin_unlock+0x178/0x270 [ 72.187643][ T8721] ? _raw_spin_unlock+0x28/0x40 [ 72.192474][ T8721] ? __alloc_fd+0x487/0x620 [ 72.197015][ T8721] do_sys_open+0x3fe/0x5d0 [ 72.201416][ T8721] ? filp_open+0x80/0x80 [ 72.205641][ T8721] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.211087][ T8721] ? do_syscall_64+0x26/0x790 [ 72.215751][ T8721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.221810][ T8721] ? do_syscall_64+0x26/0x790 [ 72.226487][ T8721] __x64_sys_open+0x7e/0xc0 [ 72.231027][ T8721] do_syscall_64+0xfa/0x790 [ 72.235517][ T8721] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.241389][ T8721] RIP: 0033:0x4011d0 [ 72.245265][ T8721] 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 fd 24 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 [ 72.265007][ T8721] RSP: 002b:00007ffddd564ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 72.273411][ T8721] RAX: ffffffffffffffda RBX: 00007ffddd564f21 RCX: 00000000004011d0 [ 72.281364][ T8721] RDX: 00007ffddd564f26 RSI: 0000000000080001 RDI: 00000000004a25e8 [ 72.289314][ T8721] RBP: 00007ffddd564f20 R08: 0000000000000000 R09: 0000000000000001 [ 72.297262][ T8721] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a25e8 [ 72.305213][ T8721] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 72.314493][ T8721] ERROR: Out of memory at tomoyo_realpath_from_path. [ 72.325394][ T8722] FAULT_INJECTION: forcing a failure. [ 72.325394][ T8722] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 72.338700][ T8722] CPU: 0 PID: 8722 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 72.348568][ T8722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.358600][ T8722] Call Trace: [ 72.361889][ T8722] dump_stack+0x197/0x210 [ 72.366206][ T8722] should_fail.cold+0xa/0x15 [ 72.370781][ T8722] ? fault_create_debugfs_attr+0x180/0x180 [ 72.376575][ T8722] ? ___might_sleep+0x163/0x2c0 [ 72.381941][ T8722] should_fail_alloc_page+0x50/0x60 [ 72.387142][ T8722] __alloc_pages_nodemask+0x1a1/0x910 [ 72.392536][ T8722] ? __alloc_pages_slowpath+0x2900/0x2900 [ 72.398240][ T8722] ? pcpu_alloc_area+0x820/0x820 [ 72.403162][ T8722] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.408695][ T8722] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.414990][ T8722] alloc_pages_current+0x107/0x210 [ 72.420129][ T8722] __get_free_pages+0xc/0x40 [ 72.424698][ T8722] io_uring_setup+0x8bb/0x1ca0 [ 72.429474][ T8722] ? io_sq_thread+0x9d0/0x9d0 [ 72.434153][ T8722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.439608][ T8722] ? do_syscall_64+0x26/0x790 [ 72.444287][ T8722] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.450329][ T8722] ? do_syscall_64+0x26/0x790 [ 72.454986][ T8722] ? lockdep_hardirqs_on+0x421/0x5e0 [ 72.460254][ T8722] __x64_sys_io_uring_setup+0x54/0x80 [ 72.465614][ T8722] do_syscall_64+0xfa/0x790 [ 72.470112][ T8722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.475984][ T8722] RIP: 0033:0x4412a9 [ 72.479890][ T8722] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.499488][ T8722] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 72.508082][ T8722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 72.516053][ T8722] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 72.524018][ T8722] RBP: 00000000006cc018 R08: 0000000000000001 R09: 00000000004002c8 [ 72.531974][ T8722] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 [ 72.539932][ T8722] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 72.588997][ T8723] FAULT_INJECTION: forcing a failure. [ 72.588997][ T8723] name failslab, interval 1, probability 0, space 0, times 0 [ 72.601727][ T8723] CPU: 1 PID: 8723 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 72.611598][ T8723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.621636][ T8723] Call Trace: [ 72.624918][ T8723] dump_stack+0x197/0x210 [ 72.629254][ T8723] should_fail.cold+0xa/0x15 [ 72.633831][ T8723] ? fault_create_debugfs_attr+0x180/0x180 [ 72.639619][ T8723] ? ___might_sleep+0x163/0x2c0 [ 72.644452][ T8723] __should_failslab+0x121/0x190 [ 72.649382][ T8723] should_failslab+0x9/0x14 [ 72.653865][ T8723] kmem_cache_alloc_trace+0x2d3/0x790 [ 72.659230][ T8723] ? kmem_cache_alloc+0x364/0x710 [ 72.664243][ T8723] io_uring_setup+0x345/0x1ca0 [ 72.669011][ T8723] ? __sb_end_write+0x115/0x1a0 [ 72.673841][ T8723] ? io_sq_thread+0x9d0/0x9d0 [ 72.678551][ T8723] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.684005][ T8723] ? do_syscall_64+0x26/0x790 [ 72.688687][ T8723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.694745][ T8723] ? do_syscall_64+0x26/0x790 [ 72.699406][ T8723] ? lockdep_hardirqs_on+0x421/0x5e0 [ 72.704677][ T8723] __x64_sys_io_uring_setup+0x54/0x80 [ 72.710034][ T8723] do_syscall_64+0xfa/0x790 [ 72.714524][ T8723] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.720442][ T8723] RIP: 0033:0x4412a9 [ 72.724319][ T8723] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.743955][ T8723] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 72.752353][ T8723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 72.760315][ T8723] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 72.768325][ T8723] RBP: 0000000000011a65 R08: 0000000000000001 R09: 00000000004002c8 [ 72.776274][ T8723] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 executing program [ 72.784232][ T8723] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 72.796655][ T8724] FAULT_INJECTION: forcing a failure. [ 72.796655][ T8724] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.810026][ T8724] CPU: 0 PID: 8724 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 72.820020][ T8724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.830056][ T8724] Call Trace: [ 72.833328][ T8724] dump_stack+0x197/0x210 [ 72.837644][ T8724] should_fail.cold+0xa/0x15 [ 72.842216][ T8724] ? fault_create_debugfs_attr+0x180/0x180 [ 72.847999][ T8724] ? ___might_sleep+0x163/0x2c0 [ 72.852843][ T8724] should_fail_alloc_page+0x50/0x60 [ 72.858067][ T8724] __alloc_pages_nodemask+0x1a1/0x910 [ 72.863420][ T8724] ? __alloc_pages_slowpath+0x2900/0x2900 [ 72.869137][ T8724] ? pcpu_alloc_area+0x820/0x820 [ 72.874060][ T8724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.879604][ T8724] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.885836][ T8724] alloc_pages_current+0x107/0x210 [ 72.890925][ T8724] __get_free_pages+0xc/0x40 [ 72.895495][ T8724] io_uring_setup+0x8bb/0x1ca0 [ 72.900257][ T8724] ? io_sq_thread+0x9d0/0x9d0 [ 72.904931][ T8724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.910369][ T8724] ? do_syscall_64+0x26/0x790 [ 72.915037][ T8724] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.921093][ T8724] ? do_syscall_64+0x26/0x790 [ 72.925758][ T8724] ? lockdep_hardirqs_on+0x421/0x5e0 [ 72.931024][ T8724] __x64_sys_io_uring_setup+0x54/0x80 [ 72.936381][ T8724] do_syscall_64+0xfa/0x790 [ 72.940868][ T8724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.946742][ T8724] RIP: 0033:0x4412a9 [ 72.950613][ T8724] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.970196][ T8724] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 72.978595][ T8724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 72.986545][ T8724] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 72.994493][ T8724] RBP: 0000000000011b6e R08: 0000000000000001 R09: 00000000004002c8 [ 73.002459][ T8724] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 [ 73.010408][ T8724] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 73.057544][ T8725] FAULT_INJECTION: forcing a failure. [ 73.057544][ T8725] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.070853][ T8725] CPU: 1 PID: 8725 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 73.080737][ T8725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.090786][ T8725] Call Trace: [ 73.094064][ T8725] dump_stack+0x197/0x210 [ 73.098378][ T8725] should_fail.cold+0xa/0x15 [ 73.102955][ T8725] ? fault_create_debugfs_attr+0x180/0x180 [ 73.108745][ T8725] ? ___might_sleep+0x163/0x2c0 [ 73.113604][ T8725] should_fail_alloc_page+0x50/0x60 [ 73.118965][ T8725] __alloc_pages_nodemask+0x1a1/0x910 [ 73.124320][ T8725] ? __alloc_pages_slowpath+0x2900/0x2900 [ 73.130017][ T8725] ? pcpu_alloc_area+0x820/0x820 [ 73.134932][ T8725] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.140473][ T8725] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.146707][ T8725] alloc_pages_current+0x107/0x210 [ 73.151804][ T8725] __get_free_pages+0xc/0x40 [ 73.156421][ T8725] io_uring_setup+0xb1b/0x1ca0 [ 73.161211][ T8725] ? io_sq_thread+0x9d0/0x9d0 [ 73.165887][ T8725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.171341][ T8725] ? do_syscall_64+0x26/0x790 [ 73.175998][ T8725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.182041][ T8725] ? do_syscall_64+0x26/0x790 [ 73.186705][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.191988][ T8725] __x64_sys_io_uring_setup+0x54/0x80 [ 73.197342][ T8725] do_syscall_64+0xfa/0x790 [ 73.201837][ T8725] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.207725][ T8725] RIP: 0033:0x4412a9 [ 73.211609][ T8725] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.231226][ T8725] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 73.239621][ T8725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.247578][ T8725] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 73.255544][ T8725] RBP: 0000000000011c3e R08: 0000000000000001 R09: 00000000004002c8 [ 73.263503][ T8725] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 [ 73.271458][ T8725] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 73.280380][ T8725] INFO: trying to register non-static key. [ 73.286180][ T8725] the code is fine but needs lockdep annotation. [ 73.292480][ T8725] turning off the locking correctness validator. [ 73.298791][ T8725] CPU: 1 PID: 8725 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 73.308654][ T8725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.318701][ T8725] Call Trace: [ 73.321976][ T8725] dump_stack+0x197/0x210 [ 73.326298][ T8725] register_lock_class+0x179e/0x1850 [ 73.331571][ T8725] ? is_dynamic_key+0x1c0/0x1c0 [ 73.336408][ T8725] ? rwlock_bug.part.0+0x90/0x90 [ 73.341336][ T8725] __lock_acquire+0xf4/0x4a00 [ 73.345995][ T8725] ? debug_object_active_state+0x28a/0x350 [ 73.351826][ T8725] ? mark_held_locks+0xf0/0xf0 [ 73.356567][ T8725] ? mark_lock+0xc2/0x1220 [ 73.360965][ T8725] lock_acquire+0x190/0x410 [ 73.365447][ T8725] ? __wake_up_common_lock+0xc8/0x150 [ 73.370800][ T8725] _raw_spin_lock_irqsave+0x95/0xcd [ 73.375979][ T8725] ? __wake_up_common_lock+0xc8/0x150 [ 73.381326][ T8725] __wake_up_common_lock+0xc8/0x150 [ 73.386525][ T8725] ? __wake_up_common+0x610/0x610 [ 73.391528][ T8725] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 73.397310][ T8725] ? io_cqring_overflow_flush+0x6cc/0xa90 [ 73.403002][ T8725] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 73.408793][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.414058][ T8725] __wake_up+0xe/0x10 [ 73.418017][ T8725] io_cqring_ev_posted+0xaa/0x120 [ 73.423014][ T8725] io_cqring_overflow_flush+0x6d4/0xa90 [ 73.428535][ T8725] ? lock_downgrade+0x920/0x920 [ 73.433362][ T8725] ? io_put_work+0x20/0x20 [ 73.437752][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.443010][ T8725] ? trace_hardirqs_on+0x67/0x240 [ 73.448008][ T8725] io_ring_ctx_wait_and_kill+0x20a/0x770 [ 73.453615][ T8725] io_uring_setup+0x123d/0x1ca0 [ 73.458445][ T8725] ? io_sq_thread+0x9d0/0x9d0 [ 73.463103][ T8725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.468537][ T8725] ? do_syscall_64+0x26/0x790 [ 73.473193][ T8725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.479232][ T8725] ? do_syscall_64+0x26/0x790 [ 73.483891][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.489161][ T8725] __x64_sys_io_uring_setup+0x54/0x80 [ 73.494521][ T8725] do_syscall_64+0xfa/0x790 [ 73.499001][ T8725] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.504868][ T8725] RIP: 0033:0x4412a9 [ 73.508742][ T8725] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.528322][ T8725] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 73.536707][ T8725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.544918][ T8725] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 73.552872][ T8725] RBP: 0000000000011c3e R08: 0000000000000001 R09: 00000000004002c8 [ 73.560821][ T8725] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 [ 73.568770][ T8725] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 73.576731][ T8725] kasan: CONFIG_KASAN_INLINE enabled [ 73.581987][ T8725] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 73.590026][ T8725] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 73.596935][ T8725] CPU: 1 PID: 8725 Comm: syz-executor376 Not tainted 5.4.0-rc8-next-20191119-syzkaller #0 [ 73.606834][ T8725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.616875][ T8725] RIP: 0010:__wake_up_common+0xdf/0x610 [ 73.622397][ T8725] Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0d 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00 [ 73.641977][ T8725] RSP: 0018:ffff888089c87b00 EFLAGS: 00010046 [ 73.648019][ T8725] RAX: dffffc0000000000 RBX: ffff8880880c1120 RCX: 0000000000000000 [ 73.655966][ T8725] RDX: 0000000000000001 RSI: 1ffffffff13913ee RDI: 0000000000000000 [ 73.663920][ T8725] RBP: ffff888089c87b58 R08: ffffffffffffffe8 R09: ffff888089c87ba8 [ 73.671964][ T8725] R10: ffffed1011390f59 R11: 0000000000000003 R12: 0000000000000001 [ 73.679912][ T8725] R13: 0000000000000286 R14: 0000000000000000 R15: 0000000000000003 [ 73.687861][ T8725] FS: 00000000025cb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.696761][ T8725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.703326][ T8725] CR2: 0000000020000340 CR3: 000000009a26b000 CR4: 00000000001406e0 [ 73.711273][ T8725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.719219][ T8725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.727163][ T8725] Call Trace: [ 73.730442][ T8725] __wake_up_common_lock+0xea/0x150 [ 73.735629][ T8725] ? __wake_up_common+0x610/0x610 [ 73.740652][ T8725] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 73.746437][ T8725] ? io_cqring_overflow_flush+0x6cc/0xa90 [ 73.752128][ T8725] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 73.758068][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.763341][ T8725] __wake_up+0xe/0x10 [ 73.767303][ T8725] io_cqring_ev_posted+0xaa/0x120 [ 73.772336][ T8725] io_cqring_overflow_flush+0x6d4/0xa90 [ 73.777865][ T8725] ? lock_downgrade+0x920/0x920 [ 73.782698][ T8725] ? io_put_work+0x20/0x20 [ 73.787091][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.792355][ T8725] ? trace_hardirqs_on+0x67/0x240 [ 73.797363][ T8725] io_ring_ctx_wait_and_kill+0x20a/0x770 [ 73.802974][ T8725] io_uring_setup+0x123d/0x1ca0 [ 73.807834][ T8725] ? io_sq_thread+0x9d0/0x9d0 [ 73.812537][ T8725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.817973][ T8725] ? do_syscall_64+0x26/0x790 [ 73.822630][ T8725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.828677][ T8725] ? do_syscall_64+0x26/0x790 [ 73.833332][ T8725] ? lockdep_hardirqs_on+0x421/0x5e0 [ 73.838595][ T8725] __x64_sys_io_uring_setup+0x54/0x80 [ 73.843950][ T8725] do_syscall_64+0xfa/0x790 [ 73.848437][ T8725] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.854309][ T8725] RIP: 0033:0x4412a9 [ 73.858188][ T8725] 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.877779][ T8725] RSP: 002b:00007ffddd565408 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 73.886171][ T8725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.894134][ T8725] RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000002a6 [ 73.902082][ T8725] RBP: 0000000000011c3e R08: 0000000000000001 R09: 00000000004002c8 [ 73.910033][ T8725] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021f0 [ 73.917981][ T8725] R13: 0000000000402280 R14: 0000000000000000 R15: 0000000000000000 [ 73.925932][ T8725] Modules linked in: [ 73.929810][ T8725] ---[ end trace 8d482760e7208707 ]--- [ 73.935251][ T8725] RIP: 0010:__wake_up_common+0xdf/0x610 [ 73.940770][ T8725] Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0d 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00 [ 73.960348][ T8725] RSP: 0018:ffff888089c87b00 EFLAGS: 00010046 [ 73.966389][ T8725] RAX: dffffc0000000000 RBX: ffff8880880c1120 RCX: 0000000000000000 [ 73.974348][ T8725] RDX: 0000000000000001 RSI: 1ffffffff13913ee RDI: 0000000000000000 [ 73.982300][ T8725] RBP: ffff888089c87b58 R08: ffffffffffffffe8 R09: ffff888089c87ba8 [ 73.990251][ T8725] R10: ffffed1011390f59 R11: 0000000000000003 R12: 0000000000000001 [ 73.998284][ T8725] R13: 0000000000000286 R14: 0000000000000000 R15: 0000000000000003 [ 74.006232][ T8725] FS: 00000000025cb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.015139][ T8725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.021704][ T8725] CR2: 0000000020000340 CR3: 000000009a26b000 CR4: 00000000001406e0 [ 74.029655][ T8725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.037607][ T8725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.045554][ T8725] Kernel panic - not syncing: Fatal exception [ 74.052725][ T8725] Kernel Offset: disabled [ 74.057047][ T8725] Rebooting in 86400 seconds..