Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 65.480833][ T26] kauditd_printk_skb: 6 callbacks suppressed [ 65.480844][ T26] audit: type=1800 audit(1571530916.951:39): pid=9302 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 65.509496][ T26] audit: type=1800 audit(1571530916.961:40): pid=9302 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 69.468208][ T26] audit: type=1400 audit(1571530920.941:41): avc: denied { map } for pid=9482 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. executing program [ 519.546595][ T26] audit: type=1400 audit(1571531371.021:42): avc: denied { map } for pid=9494 comm="syz-executor030" path="/root/syz-executor030267037" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 674.043511][ T1070] INFO: task init:1 blocked for more than 143 seconds. [ 674.050572][ T1070] Not tainted 5.4.0-rc3+ #0 [ 674.055669][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.064363][ T1070] init D22888 1 0 0x00000000 [ 674.070675][ T1070] Call Trace: [ 674.074094][ T1070] __schedule+0x94f/0x1e70 [ 674.078536][ T1070] ? __sched_text_start+0x8/0x8 [ 674.083448][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 674.088469][ T1070] schedule+0xd9/0x260 [ 674.092520][ T1070] d_alloc_parallel+0x12cd/0x1c30 [ 674.097605][ T1070] ? __d_lookup_rcu+0x6c0/0x6c0 [ 674.102450][ T1070] ? __lock_acquire+0x16f2/0x4a00 [ 674.107529][ T1070] ? wake_up_q+0xf0/0xf0 [ 674.111775][ T1070] ? lockdep_init_map+0x1be/0x6d0 [ 674.116847][ T1070] __lookup_slow+0x1ab/0x500 [ 674.121446][ T1070] ? vfs_unlink+0x620/0x620 [ 674.126003][ T1070] ? trailing_symlink+0x990/0x990 [ 674.131045][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.137501][ T1070] lookup_slow+0x58/0x80 [ 674.141766][ T1070] walk_component+0x747/0x2000 [ 674.146575][ T1070] ? selinux_capable+0x40/0x40 [ 674.151337][ T1070] ? path_init+0x18f0/0x18f0 [ 674.155962][ T1070] ? fuse_allow_current_process+0x113/0x350 [ 674.161851][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.168139][ T1070] ? security_inode_permission+0xcb/0x100 [ 674.173891][ T1070] ? inode_permission+0xb4/0x560 [ 674.178811][ T1070] link_path_walk.part.0+0x9a4/0x1340 [ 674.184226][ T1070] ? walk_component+0x2000/0x2000 [ 674.189239][ T1070] ? save_stack+0x23/0x90 [ 674.193602][ T1070] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 674.199396][ T1070] ? kasan_slab_alloc+0xf/0x20 [ 674.204204][ T1070] ? kmem_cache_alloc+0x121/0x710 [ 674.209223][ T1070] ? getname_flags+0xd6/0x5b0 [ 674.213949][ T1070] ? __do_sys_newstat+0x10/0x130 [ 674.219665][ T1070] path_lookupat.isra.0+0xe3/0x8d0 [ 674.224808][ T1070] ? path_parentat.isra.0+0x160/0x160 [ 674.230174][ T1070] ? cache_grow_end+0xa4/0x190 [ 674.234975][ T1070] ? find_held_lock+0x35/0x130 [ 674.239731][ T1070] ? cache_grow_end+0xa4/0x190 [ 674.244557][ T1070] filename_lookup+0x1b0/0x3f0 [ 674.249318][ T1070] ? nd_jump_link+0x1d0/0x1d0 [ 674.254026][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 674.260182][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.266561][ T1070] ? __phys_addr_symbol+0x30/0x70 [ 674.271594][ T1070] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 674.277353][ T1070] ? __check_object_size+0x3d/0x437 [ 674.282559][ T1070] ? strncpy_from_user+0x2b4/0x400 [ 674.287718][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.294012][ T1070] ? getname_flags+0x277/0x5b0 [ 674.298781][ T1070] user_path_at_empty+0x43/0x50 [ 674.304968][ T1070] vfs_statx+0x129/0x200 [ 674.309234][ T1070] ? vfs_statx_fd+0xc0/0xc0 [ 674.313772][ T1070] ? lock_downgrade+0x920/0x920 [ 674.318632][ T1070] __do_sys_newstat+0xa4/0x130 [ 674.323448][ T1070] ? cp_new_stat+0x5f0/0x5f0 [ 674.328034][ T1070] ? __might_fault+0x1a3/0x1e0 [ 674.332777][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.339064][ T1070] ? __x64_sys_time+0x89/0xa0 [ 674.343770][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.349991][ T1070] ? emulate_vsyscall+0x30c/0xc20 [ 674.355052][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 674.360522][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 674.366104][ T1070] ? do_syscall_64+0x26/0x760 [ 674.370785][ T1070] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.376889][ T1070] ? do_syscall_64+0x26/0x760 [ 674.381665][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 674.387077][ T1070] __x64_sys_newstat+0x54/0x80 [ 674.391839][ T1070] do_syscall_64+0xfa/0x760 [ 674.396386][ T1070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.402269][ T1070] RIP: 0033:0x7f5f11342c65 [ 674.406744][ T1070] Code: Bad RIP value. [ 674.410823][ T1070] RSP: 002b:00007ffd17d8aeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 674.419288][ T1070] RAX: ffffffffffffffda RBX: 00007ffd17d8b0f0 RCX: 00007f5f11342c65 [ 674.427299][ T1070] RDX: 00007ffd17d8b0f0 RSI: 00007ffd17d8b0f0 RDI: 0000000000407545 [ 674.435305][ T1070] RBP: 0000000000000000 R08: 0000000000fe3b60 R09: 0000000000000001 [ 674.443266][ T1070] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 674.451282][ T1070] R13: 00007ffd17d8b5f0 R14: 0000000000000000 R15: 0000000000000000 [ 674.459364][ T1070] INFO: task syz-executor030:9494 blocked for more than 143 seconds. [ 674.467453][ T1070] Not tainted 5.4.0-rc3+ #0 [ 674.472464][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.481174][ T1070] syz-executor030 D27416 9494 9492 0x00000000 [ 674.487534][ T1070] Call Trace: [ 674.490899][ T1070] __schedule+0x94f/0x1e70 [ 674.495354][ T1070] ? __sched_text_start+0x8/0x8 [ 674.500198][ T1070] ? lock_downgrade+0x920/0x920 [ 674.505126][ T1070] ? rwlock_bug.part.0+0x90/0x90 [ 674.510071][ T1070] schedule+0xd9/0x260 [ 674.514185][ T1070] schedule_preempt_disabled+0x13/0x20 [ 674.519654][ T1070] __mutex_lock+0x7b0/0x13c0 [ 674.524286][ T1070] ? fuse_lock_inode+0xba/0xf0 [ 674.529047][ T1070] ? find_held_lock+0x35/0x130 [ 674.533932][ T1070] ? mutex_trylock+0x2d0/0x2d0 [ 674.538697][ T1070] ? lock_downgrade+0x920/0x920 [ 674.543606][ T1070] ? __kasan_check_read+0x11/0x20 [ 674.548628][ T1070] mutex_lock_nested+0x16/0x20 [ 674.553440][ T1070] ? mutex_lock_nested+0x16/0x20 [ 674.558372][ T1070] fuse_lock_inode+0xba/0xf0 [ 674.562938][ T1070] fuse_lookup+0x8e/0x310 [ 674.567324][ T1070] ? fuse_lookup_name+0x680/0x680 [ 674.572346][ T1070] ? __d_lookup_rcu+0x6c0/0x6c0 [ 674.577297][ T1070] ? __lock_acquire+0x16f2/0x4a00 [ 674.582333][ T1070] ? unlazy_walk+0x168/0x3c0 [ 674.587024][ T1070] ? lockdep_init_map+0x1be/0x6d0 [ 674.592051][ T1070] ? lockdep_init_map+0x1be/0x6d0 [ 674.597139][ T1070] __lookup_slow+0x279/0x500 [ 674.601742][ T1070] ? vfs_unlink+0x620/0x620 [ 674.606668][ T1070] ? trailing_symlink+0x990/0x990 [ 674.611707][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.618002][ T1070] lookup_slow+0x58/0x80 [ 674.622243][ T1070] walk_component+0x747/0x2000 [ 674.627089][ T1070] ? selinux_capable+0x40/0x40 [ 674.631896][ T1070] ? path_init+0x18f0/0x18f0 [ 674.636549][ T1070] ? fuse_allow_current_process+0x113/0x350 [ 674.642452][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.648754][ T1070] ? security_inode_permission+0xcb/0x100 [ 674.654517][ T1070] ? inode_permission+0xb4/0x560 [ 674.659441][ T1070] link_path_walk.part.0+0x9a4/0x1340 [ 674.664866][ T1070] ? walk_component+0x2000/0x2000 [ 674.669916][ T1070] path_openat+0x202/0x46d0 [ 674.674465][ T1070] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 674.680273][ T1070] ? kasan_slab_alloc+0xf/0x20 [ 674.685080][ T1070] ? kmem_cache_alloc+0x121/0x710 [ 674.690111][ T1070] ? getname_flags+0xd6/0x5b0 [ 674.694840][ T1070] ? getname+0x1a/0x20 [ 674.698912][ T1070] ? do_sys_open+0x2c9/0x5d0 [ 674.703541][ T1070] ? __kasan_check_read+0x11/0x20 [ 674.708580][ T1070] ? mark_lock+0xc2/0x1220 [ 674.712992][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 674.718618][ T1070] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 674.724205][ T1070] ? nldev_stat_get_doit+0x1120/0x15b0 [ 674.729699][ T1070] ? __alloc_fd+0x487/0x620 [ 674.734294][ T1070] do_filp_open+0x1a1/0x280 [ 674.738803][ T1070] ? may_open_dev+0x100/0x100 [ 674.743554][ T1070] ? __kasan_check_read+0x11/0x20 [ 674.748580][ T1070] ? do_raw_spin_unlock+0x57/0x270 [ 674.753733][ T1070] ? _raw_spin_unlock+0x2d/0x50 [ 674.758577][ T1070] ? __alloc_fd+0x487/0x620 [ 674.763070][ T1070] do_sys_open+0x3fe/0x5d0 [ 674.767550][ T1070] ? filp_open+0x80/0x80 [ 674.771796][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 674.777413][ T1070] ? do_syscall_64+0x26/0x760 [ 674.782089][ T1070] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.788204][ T1070] ? do_syscall_64+0x26/0x760 [ 674.792892][ T1070] __x64_sys_open+0x7e/0xc0 [ 674.797447][ T1070] do_syscall_64+0xfa/0x760 [ 674.801952][ T1070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.807882][ T1070] RIP: 0033:0x444c90 [ 674.811777][ T1070] Code: Bad RIP value. [ 674.815876][ T1070] RSP: 002b:00007fffe5690030 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 674.824312][ T1070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444c90 [ 674.832369][ T1070] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004ae8f6 [ 674.840376][ T1070] RBP: 000000000000251a R08: 0000000000002516 R09: 00000000026a8880 [ 674.848394][ T1070] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe5690260 [ 674.856434][ T1070] R13: 00000000004075c0 R14: 0000000000000000 R15: 0000000000000000 [ 674.864551][ T1070] INFO: task syz-executor030:9498 blocked for more than 144 seconds. [ 674.872596][ T1070] Not tainted 5.4.0-rc3+ #0 [ 674.877807][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.886530][ T1070] syz-executor030 D28160 9498 9494 0x00000004 [ 674.892853][ T1070] Call Trace: [ 674.896206][ T1070] __schedule+0x94f/0x1e70 [ 674.900634][ T1070] ? __sched_text_start+0x8/0x8 [ 674.905543][ T1070] ? lock_downgrade+0x920/0x920 [ 674.910397][ T1070] ? rwlock_bug.part.0+0x90/0x90 [ 674.915386][ T1070] schedule+0xd9/0x260 [ 674.919456][ T1070] schedule_preempt_disabled+0x13/0x20 [ 674.924952][ T1070] __mutex_lock+0x7b0/0x13c0 [ 674.929626][ T1070] ? fuse_lock_inode+0xba/0xf0 [ 674.934433][ T1070] ? find_held_lock+0x35/0x130 [ 674.939201][ T1070] ? mutex_trylock+0x2d0/0x2d0 [ 674.944021][ T1070] ? lock_downgrade+0x920/0x920 [ 674.948873][ T1070] ? __kasan_check_read+0x11/0x20 [ 674.953962][ T1070] mutex_lock_nested+0x16/0x20 [ 674.958718][ T1070] ? mutex_lock_nested+0x16/0x20 [ 674.963692][ T1070] fuse_lock_inode+0xba/0xf0 [ 674.968289][ T1070] fuse_lookup+0x8e/0x310 [ 674.972609][ T1070] ? fuse_lookup_name+0x680/0x680 [ 674.977741][ T1070] ? __d_lookup_rcu+0x6c0/0x6c0 [ 674.982597][ T1070] ? __lock_acquire+0x16f2/0x4a00 [ 674.987680][ T1070] ? unlazy_walk+0x168/0x3c0 [ 674.992273][ T1070] ? lockdep_init_map+0x1be/0x6d0 [ 674.997485][ T1070] ? lockdep_init_map+0x1be/0x6d0 [ 675.002566][ T1070] __lookup_slow+0x279/0x500 [ 675.007212][ T1070] ? vfs_unlink+0x620/0x620 [ 675.011723][ T1070] ? trailing_symlink+0x990/0x990 [ 675.016795][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 675.023054][ T1070] lookup_slow+0x58/0x80 [ 675.027352][ T1070] walk_component+0x747/0x2000 [ 675.032116][ T1070] ? selinux_capable+0x40/0x40 [ 675.036934][ T1070] ? path_init+0x18f0/0x18f0 [ 675.041712][ T1070] ? fuse_allow_current_process+0x113/0x350 [ 675.047692][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.053996][ T1070] ? security_inode_permission+0xcb/0x100 [ 675.059701][ T1070] ? inode_permission+0xb4/0x560 [ 675.064682][ T1070] link_path_walk.part.0+0x9a4/0x1340 [ 675.070055][ T1070] ? walk_component+0x2000/0x2000 [ 675.075175][ T1070] path_openat+0x202/0x46d0 [ 675.079693][ T1070] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 675.085540][ T1070] ? kasan_slab_alloc+0xf/0x20 [ 675.090295][ T1070] ? kmem_cache_alloc+0x121/0x710 [ 675.095354][ T1070] ? getname_flags+0xd6/0x5b0 [ 675.100028][ T1070] ? getname+0x1a/0x20 [ 675.104143][ T1070] ? do_sys_open+0x2c9/0x5d0 [ 675.108732][ T1070] ? __kasan_check_read+0x11/0x20 [ 675.113811][ T1070] ? mark_lock+0xc2/0x1220 [ 675.118225][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 675.123809][ T1070] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 675.129179][ T1070] ? __alloc_fd+0x487/0x620 [ 675.133723][ T1070] do_filp_open+0x1a1/0x280 [ 675.138415][ T1070] ? may_open_dev+0x100/0x100 [ 675.143101][ T1070] ? __kasan_check_read+0x11/0x20 [ 675.148175][ T1070] ? do_raw_spin_unlock+0x57/0x270 [ 675.153282][ T1070] ? _raw_spin_unlock+0x2d/0x50 [ 675.158189][ T1070] ? __alloc_fd+0x487/0x620 [ 675.162803][ T1070] do_sys_open+0x3fe/0x5d0 [ 675.167270][ T1070] ? filp_open+0x80/0x80 [ 675.171529][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 675.177030][ T1070] ? do_syscall_64+0x26/0x760 [ 675.181723][ T1070] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 675.187841][ T1070] ? do_syscall_64+0x26/0x760 [ 675.192517][ T1070] __x64_sys_open+0x7e/0xc0 [ 675.197085][ T1070] do_syscall_64+0xfa/0x760 [ 675.201594][ T1070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 675.207524][ T1070] RIP: 0033:0x405800 [ 675.211413][ T1070] Code: 4c 89 e0 eb 0d 0f 1f 44 00 00 48 8b 00 48 85 c0 74 18 48 39 58 08 75 f2 48 39 68 10 75 ec 5b 5d 41 5c c3 0f 1f 80 00 00 00 00 18 00 00 00 e8 76 d3 ff ff 48 85 c0 74 e5 4d 85 e4 48 c7 00 00 [ 675.231061][ T1070] RSP: 002b:00007fffe568fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 675.239521][ T1070] RAX: ffffffffffffffda RBX: 00007fffe568fd64 RCX: 0000000000405800 [ 675.247543][ T1070] RDX: 00007fffe568fd6a RSI: 0000000000080001 RDI: 00000000004ae914 [ 675.255586][ T1070] RBP: 00007fffe568fd60 R08: 0000000000000000 R09: 0000000000000004 [ 675.263688][ T1070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000407530 [ 675.271668][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 675.279705][ T1070] [ 675.279705][ T1070] Showing all locks held in the system: [ 675.287448][ T1070] 1 lock held by init/1: [ 675.291666][ T1070] #0: ffff888092111740 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 675.301093][ T1070] 1 lock held by khungtaskd/1070: [ 675.306139][ T1070] #0: ffffffff88fab000 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 675.315515][ T1070] 1 lock held by rsyslogd/9340: [ 675.320351][ T1070] #0: ffff88809d13e420 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 675.329206][ T1070] 2 locks held by cron/9387: [ 675.333849][ T1070] #0: ffff888092111740 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 675.343237][ T1070] #1: ffff888092111ae0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 675.351804][ T1070] 2 locks held by getty/9462: [ 675.356521][ T1070] #0: ffff8880a7204090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.365511][ T1070] #1: ffffc90005f852e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.375148][ T1070] 2 locks held by getty/9463: [ 675.379799][ T1070] #0: ffff8880a3e30090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.388767][ T1070] #1: ffffc90005f812e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.398351][ T1070] 2 locks held by getty/9464: [ 675.402998][ T1070] #0: ffff8880a3fad090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.411963][ T1070] #1: ffffc90005f892e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.421561][ T1070] 2 locks held by getty/9465: [ 675.426275][ T1070] #0: ffff88809df54090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.435274][ T1070] #1: ffffc90005f912e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.444865][ T1070] 2 locks held by getty/9466: [ 675.449527][ T1070] #0: ffff888098a67090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.458526][ T1070] #1: ffffc90005f8d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.468277][ T1070] 2 locks held by getty/9467: [ 675.472928][ T1070] #0: ffff8880972d4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.481906][ T1070] #1: ffffc90005f952e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.491513][ T1070] 2 locks held by getty/9468: [ 675.496237][ T1070] #0: ffff888099a67090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 675.505218][ T1070] #1: ffffc90005f5d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 675.514806][ T1070] 2 locks held by udevd/9478: [ 675.519467][ T1070] #0: ffff888092111740 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 675.529065][ T1070] #1: ffff888092111ae0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 675.537670][ T1070] 2 locks held by syz-executor030/9494: [ 675.543218][ T1070] #0: ffff888092111740 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 675.552648][ T1070] #1: ffff888092111ae0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 675.561215][ T1070] 2 locks held by syz-executor030/9498: [ 675.566794][ T1070] #0: ffff888092111740 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 675.576220][ T1070] #1: ffff888092111ae0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 675.584764][ T1070] [ 675.587091][ T1070] ============================================= [ 675.587091][ T1070] [ 675.595534][ T1070] NMI backtrace for cpu 1 [ 675.599857][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0 [ 675.607287][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.617318][ T1070] Call Trace: [ 675.620591][ T1070] dump_stack+0x172/0x1f0 [ 675.624903][ T1070] nmi_cpu_backtrace.cold+0x70/0xb2 [ 675.630078][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.636297][ T1070] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 675.641910][ T1070] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 675.647871][ T1070] arch_trigger_cpumask_backtrace+0x14/0x20 [ 675.653740][ T1070] watchdog+0x9d0/0xef0 [ 675.657881][ T1070] kthread+0x361/0x430 [ 675.661933][ T1070] ? reset_hung_task_detector+0x30/0x30 [ 675.667457][ T1070] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 675.673153][ T1070] ret_from_fork+0x24/0x30 [ 675.677635][ T1070] Sending NMI from CPU 1 to CPUs 0: [ 675.682920][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 675.683855][ T1070] Kernel panic - not syncing: hung_task: blocked tasks [ 675.697993][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0 [ 675.705440][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.715484][ T1070] Call Trace: [ 675.718758][ T1070] dump_stack+0x172/0x1f0 [ 675.723083][ T1070] panic+0x2e3/0x75c [ 675.726972][ T1070] ? add_taint.cold+0x16/0x16 [ 675.731632][ T1070] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 675.737337][ T1070] ? printk_safe_flush+0xf2/0x140 [ 675.742345][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.748575][ T1070] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 675.754706][ T1070] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 675.760838][ T1070] watchdog+0x9e1/0xef0 [ 675.764980][ T1070] kthread+0x361/0x430 [ 675.769041][ T1070] ? reset_hung_task_detector+0x30/0x30 [ 675.774569][ T1070] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 675.780264][ T1070] ret_from_fork+0x24/0x30 [ 675.786420][ T1070] Kernel Offset: disabled [ 675.790787][ T1070] Rebooting in 86400 seconds..