Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 801.406492] INFO: task syz-executor198:7946 blocked for more than 140 seconds. [ 801.414047] Not tainted 4.19.0+ #82 [ 801.419302] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 801.427438] syz-executor198 D23160 7946 5577 0x00000004 [ 801.433084] Call Trace: [ 801.435686] __schedule+0x8cf/0x21d0 [ 801.439622] ? __sched_text_start+0x8/0x8 [ 801.443796] ? zap_class+0x640/0x640 [ 801.447677] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 801.452808] ? print_usage_bug+0xc0/0xc0 [ 801.457064] schedule+0xfe/0x460 [ 801.460456] ? __schedule+0x21d0/0x21d0 [ 801.464439] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.469215] ? trace_hardirqs_on+0xbd/0x310 [ 801.473552] ? kasan_check_read+0x11/0x20 [ 801.477877] ? rwsem_down_read_failed+0x342/0x710 [ 801.482749] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.488031] rwsem_down_read_failed+0x371/0x710 [ 801.492728] ? rwsem_down_write_failed_killable+0x10/0x10 [ 801.498440] ? blkg_prfill_rwstat_field_recursive+0x170/0x170 [ 801.504358] ? lock_acquire+0x1ed/0x520 [ 801.508493] ? __do_page_fault+0xbc9/0xe60 [ 801.512765] ? lock_release+0xa00/0xa00 [ 801.516911] ? perf_trace_sched_process_exec+0x860/0x860 [ 801.522381] ? kasan_check_read+0x11/0x20 [ 801.526765] ? do_raw_spin_unlock+0xa7/0x330 [ 801.531199] call_rwsem_down_read_failed+0x18/0x30 [ 801.536140] down_read+0x9b/0x120 [ 801.539825] ? __do_page_fault+0xbc9/0xe60 [ 801.544074] ? __down_interruptible+0x700/0x700 [ 801.549844] ? __close_fd+0x24c/0x3a0 [ 801.553658] ? clock_was_set_work+0x30/0x30 [ 801.558148] __do_page_fault+0xbc9/0xe60 [ 801.562223] ? trace_hardirqs_off+0xb8/0x310 [ 801.566825] ? exit_to_usermode_loop+0x1f4/0x380 [ 801.571608] do_page_fault+0xf2/0x7e0 [ 801.575415] ? vmalloc_sync_all+0x30/0x30 [ 801.579784] ? error_entry+0x70/0xd0 [ 801.583513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 801.588691] ? trace_hardirqs_on_caller+0xc0/0x310 [ 801.593654] ? syscall_return_slowpath+0x5e0/0x5e0 [ 801.598758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 801.603617] ? trace_hardirqs_on_caller+0x310/0x310 [ 801.608819] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 801.614286] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 801.619463] ? prepare_exit_to_usermode+0x291/0x3b0 [ 801.624501] ? page_fault+0x8/0x30 [ 801.628232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 801.633096] ? page_fault+0x8/0x30 [ 801.636823] page_fault+0x1e/0x30 [ 801.640288] RIP: 0033:0x4ab5dd [ 801.643495] Code: Bad RIP value. [ 801.647130] RSP: 002b:00007ffe4b4dd2c0 EFLAGS: 00010202 [ 801.652512] RAX: 00000000004ab700 RBX: 0000000000000001 RCX: 00000000006e0350 [ 801.659953] RDX: 00000000004073b0 RSI: 0000000000000000 RDI: 00000000004cc9d0 [ 801.667407] RBP: 00007ffe4b4dd2e0 R08: 000000037ffffa00 R09: 000000037ffffa00 [ 801.674694] R10: 00007ffe4b4dd350 R11: 0000000000000000 R12: 0000000000000001 [ 801.683118] R13: 00000000006e0340 R14: 0000000000000008 R15: 00000000006dbd4c [ 801.690628] INFO: task syz-executor198:7947 blocked for more than 140 seconds. [ 801.698213] Not tainted 4.19.0+ #82 [ 801.702367] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 801.710528] syz-executor198 D23400 7947 5577 0x80000004 [ 801.716177] Call Trace: [ 801.718969] __schedule+0x8cf/0x21d0 [ 801.722720] ? __sched_text_start+0x8/0x8 [ 801.727107] ? zap_class+0x640/0x640 [ 801.730844] ? print_usage_bug+0xc0/0xc0 [ 801.734923] ? mark_held_locks+0x130/0x130 [ 801.739390] schedule+0xfe/0x460 [ 801.742782] ? __schedule+0x21d0/0x21d0 [ 801.746924] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 801.751524] ? trace_hardirqs_on+0xbd/0x310 [ 801.755857] ? kasan_check_read+0x11/0x20 [ 801.760172] ? rwsem_down_read_failed+0x342/0x710 [ 801.765035] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.770301] ? zap_class+0x640/0x640 [ 801.774039] rwsem_down_read_failed+0x371/0x710 [ 801.778895] ? rwsem_down_write_failed_killable+0x10/0x10 [ 801.784452] ? find_held_lock+0x36/0x1c0 [ 801.788700] ? __might_fault+0x12b/0x1e0 [ 801.792808] ? lock_acquire+0x1ed/0x520 [ 801.796967] ? do_exit+0x59c/0x26d0 [ 801.800615] ? lock_release+0xa00/0xa00 [ 801.804573] ? perf_trace_sched_process_exec+0x860/0x860 [ 801.810620] call_rwsem_down_read_failed+0x18/0x30 [ 801.815546] down_read+0x9b/0x120 [ 801.819176] ? do_exit+0x59c/0x26d0 [ 801.822833] ? __down_interruptible+0x700/0x700 [ 801.827679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.833436] ? sync_mm_rss+0x9a/0x1c0 [ 801.837403] do_exit+0x59c/0x26d0 [ 801.840886] ? do_raw_spin_unlock+0xa0/0x330 [ 801.845307] ? mm_update_next_owner+0x990/0x990 [ 801.850153] ? print_usage_bug+0xc0/0xc0 [ 801.854237] ? zap_class+0x640/0x640 [ 801.858116] ? find_held_lock+0x36/0x1c0 [ 801.862202] ? __lock_acquire+0x62f/0x4c20 [ 801.866600] ? lock_downgrade+0x900/0x900 [ 801.870794] ? mark_held_locks+0x130/0x130 [ 801.875042] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 801.880432] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 801.885554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 801.891341] ? futex_wait+0x5ec/0xa50 [ 801.895169] ? futex_wait_setup+0x3e0/0x3e0 [ 801.899663] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 801.904880] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 801.910141] ? futex_wake+0x304/0x760 [ 801.913957] ? kmem_cache_alloc_trace+0x152/0x750 [ 801.918974] ? new_task_smack+0xef/0x310 [ 801.923055] ? __sys_setresuid+0x14f/0x820 [ 801.927467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 801.932850] ? zap_class+0x640/0x640 [ 801.937663] ? memset+0x31/0x40 [ 801.940964] ? find_held_lock+0x36/0x1c0 [ 801.945048] ? get_signal+0x95b/0x1980 [ 801.949184] ? _raw_spin_unlock_irq+0x27/0x80 [ 801.953694] ? _raw_spin_unlock_irq+0x27/0x80 [ 801.958357] do_group_exit+0x177/0x440 [ 801.962268] ? trace_hardirqs_off_caller+0x310/0x310 [ 801.967538] ? __ia32_sys_exit+0x50/0x50 [ 801.971667] get_signal+0x8b0/0x1980 [ 801.975429] ? ptrace_notify+0x130/0x130 [ 801.979692] ? find_held_lock+0x36/0x1c0 [ 801.983784] ? smack_cred_prepare+0x492/0x910 [ 801.988448] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 801.993486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.999192] do_signal+0x9c/0x21c0 [ 802.002767] ? setup_sigcontext+0x7d0/0x7d0 [ 802.007255] ? cap_mmap_addr+0x130/0x130 [ 802.011334] ? exit_to_usermode_loop+0x8c/0x380 [ 802.016008] ? exit_to_usermode_loop+0x8c/0x380 [ 802.020859] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 802.025462] ? trace_hardirqs_on+0xbd/0x310 [ 802.029948] ? cap_capable+0x1f9/0x260 [ 802.033977] ? do_syscall_64+0x6be/0x820 [ 802.038197] ? __x64_sys_futex+0x47f/0x6a0 [ 802.042460] exit_to_usermode_loop+0x2e5/0x380 [ 802.047220] ? __bpf_trace_sys_exit+0x30/0x30 [ 802.051730] ? __sys_setresuid+0x6f3/0x820 [ 802.055994] do_syscall_64+0x6be/0x820 [ 802.060180] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 802.065565] ? syscall_return_slowpath+0x5e0/0x5e0 [ 802.071573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.076596] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.081640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 802.086824] ? prepare_exit_to_usermode+0x291/0x3b0 [ 802.091865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.096881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 802.102084] RIP: 0033:0x446569 [ 802.105285] Code: 63 65 20 69 73 20 65 6d 70 74 79 2c 20 79 6f 75 20 6d 61 79 20 77 61 6e 74 20 74 6f 20 2e 2f 63 6f 6e 66 69 67 75 72 65 20 2d <2d> 65 6e 61 62 6c 65 2d 72 74 69 6e 73 74 0a 00 00 00 00 00 00 00 [ 802.124368] RSP: 002b:00007f8ad1b55db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 802.132231] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 0000000000446569 [ 802.139665] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 802.147087] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 802.154367] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 802.161873] R13: 00007ffe4b4dd2bf R14: 00007f8ad1b569c0 R15: 00000000006dbd4c [ 802.169318] INFO: task syz-executor198:7948 blocked for more than 140 seconds. [ 802.176840] Not tainted 4.19.0+ #82 [ 802.180993] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 802.189139] syz-executor198 D23336 7948 5577 0x80000004 [ 802.194929] Call Trace: [ 802.198686] __schedule+0x8cf/0x21d0 [ 802.202438] ? __sched_text_start+0x8/0x8 [ 802.206778] ? zap_class+0x640/0x640 [ 802.210520] ? print_usage_bug+0xc0/0xc0 [ 802.214588] ? mark_held_locks+0x130/0x130 [ 802.219064] schedule+0xfe/0x460 [ 802.222460] ? __schedule+0x21d0/0x21d0 [ 802.226597] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 802.231202] ? trace_hardirqs_on+0xbd/0x310 [ 802.235531] ? kasan_check_read+0x11/0x20 [ 802.239863] ? rwsem_down_read_failed+0x342/0x710 [ 802.244728] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.250007] ? zap_class+0x640/0x640 [ 802.253760] rwsem_down_read_failed+0x371/0x710 [ 802.258592] ? rwsem_down_write_failed_killable+0x10/0x10 [ 802.264154] ? find_held_lock+0x36/0x1c0 [ 802.268394] ? __might_fault+0x12b/0x1e0 [ 802.272482] ? lock_acquire+0x1ed/0x520 [ 802.278123] ? do_exit+0x59c/0x26d0 [ 802.281778] ? lock_release+0xa00/0xa00 [ 802.285767] ? perf_trace_sched_process_exec+0x860/0x860 [ 802.291412] call_rwsem_down_read_failed+0x18/0x30 [ 802.296962] down_read+0x9b/0x120 [ 802.301235] ? do_exit+0x59c/0x26d0 [ 802.305136] ? __down_interruptible+0x700/0x700 [ 802.311386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.317357] ? sync_mm_rss+0x9a/0x1c0 [ 802.321153] do_exit+0x59c/0x26d0 [ 802.324595] ? do_raw_spin_unlock+0xa0/0x330 [ 802.330090] ? mm_update_next_owner+0x990/0x990 [ 802.334783] ? print_usage_bug+0xc0/0xc0 [ 802.339009] ? zap_class+0x640/0x640 [ 802.342752] ? find_held_lock+0x36/0x1c0 [ 802.346996] ? __lock_acquire+0x62f/0x4c20 [ 802.351246] ? lock_downgrade+0x900/0x900 [ 802.355427] ? mark_held_locks+0x130/0x130 [ 802.359848] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 802.365059] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 802.370321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 802.375871] ? futex_wait+0x5ec/0xa50 [ 802.379849] ? futex_wait_setup+0x3e0/0x3e0 [ 802.384201] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 802.389565] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 802.394688] ? futex_wake+0x304/0x760 [ 802.398664] ? zap_class+0x640/0x640 [ 802.402407] ? memset+0x31/0x40 [ 802.405708] ? find_held_lock+0x36/0x1c0 [ 802.409955] ? get_signal+0x95b/0x1980 [ 802.413879] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.418532] ? _raw_spin_unlock_irq+0x27/0x80 [ 802.423051] do_group_exit+0x177/0x440 [ 802.427376] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.432630] ? __ia32_sys_exit+0x50/0x50 [ 802.437162] get_signal+0x8b0/0x1980 [ 802.440907] ? ptrace_notify+0x130/0x130 [ 802.444995] ? ksys_dup3+0x680/0x680 [ 802.449257] do_signal+0x9c/0x21c0 [ 802.452820] ? perf_ioctl+0x6d/0x80 [ 802.457734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.463310] ? do_vfs_ioctl+0x201/0x1720 [ 802.467698] ? __perf_event_task_sched_in+0x2a9/0xb60 [ 802.472923] ? setup_sigcontext+0x7d0/0x7d0 [ 802.477566] ? ioctl_preallocate+0x300/0x300 [ 802.482002] ? exit_to_usermode_loop+0x8c/0x380 [ 802.487004] ? exit_to_usermode_loop+0x8c/0x380 [ 802.491694] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 802.496613] ? trace_hardirqs_on+0xbd/0x310 [ 802.500955] ? do_syscall_64+0x6be/0x820 [ 802.505027] ? __x64_sys_futex+0x47f/0x6a0 [ 802.509653] exit_to_usermode_loop+0x2e5/0x380 [ 802.514265] ? __bpf_trace_sys_exit+0x30/0x30 [ 802.519127] ? ksys_ioctl+0x81/0xd0 [ 802.522793] do_syscall_64+0x6be/0x820 [ 802.527034] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 802.532420] ? syscall_return_slowpath+0x5e0/0x5e0 [ 802.537716] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.542778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 802.548141] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 802.554837] ? __switch_to_asm+0x40/0x70 [ 802.559342] ? __switch_to_asm+0x34/0x70 [ 802.563431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.568631] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 802.573839] RIP: 0033:0x446569 [ 802.577591] Code: 63 65 20 69 73 20 65 6d 70 74 79 2c 20 79 6f 75 20 6d 61 79 20 77 61 6e 74 20 74 6f 20 2e 2f 63 6f 6e 66 69 67 75 72 65 20 2d <2d> 65 6e 61 62 6c 65 2d 72 74 69 6e 73 74 0a 00 00 00 00 00 00 00 [ 802.597929] RSP: 002b:00007f8ad1b34db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 802.605661] RAX: fffffffffffffe00 RBX: 00000000006dbc58 RCX: 0000000000446569 [ 802.613284] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc58 [ 802.620891] RBP: 00000000006dbc50 R08: 0000000000000000 R09: 0000000000000000 [ 802.628476] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc5c [ 802.635773] R13: 00007ffe4b4dd2bf R14: 00007f8ad1b359c0 R15: 00000000006dbd4c [ 802.643646] [ 802.643646] Showing all locks held in the system: [ 802.650310] 1 lock held by khungtaskd/982: [ 802.654549] #0: 000000006bf8e029 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 [ 802.663540] 1 lock held by rsyslogd/5460: [ 802.668003] #0: 000000001a428f24 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 802.676017] 2 locks held by getty/5550: [ 802.680427] #0: 00000000a6ec9e30 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.689402] #1: 000000000ba6ebb5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.698684] 2 locks held by getty/5551: [ 802.702663] #0: 000000001c296eea (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.711245] #1: 000000008d7c7477 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.720416] 2 locks held by getty/5552: [ 802.724393] #0: 00000000e6d3c5fa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.733929] #1: 000000008f05095b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.743112] 2 locks held by getty/5553: [ 802.747376] #0: 00000000a51f4685 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.755637] #1: 000000007d588b0b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.764875] 2 locks held by getty/5554: [ 802.769142] #0: 0000000011c5a9cb (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.777706] #1: 0000000034232836 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.786938] 2 locks held by getty/5555: [ 802.790917] #0: 00000000a3089d9b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.799497] #1: 000000002c7368ab (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.808681] 2 locks held by getty/5556: [ 802.812663] #0: 00000000e9383a5f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 802.821295] #1: 00000000a5ba37f2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 802.830590] 1 lock held by syz-executor198/7946: [ 802.835353] #0: 000000000d212cc7 (&mm->mmap_sem){++++}, at: __do_page_fault+0xbc9/0xe60 [ 802.843982] 1 lock held by syz-executor198/7947: [ 802.849066] #0: 000000000d212cc7 (&mm->mmap_sem){++++}, at: do_exit+0x59c/0x26d0 [ 802.857972] 1 lock held by syz-executor198/7948: [ 802.862731] #0: 000000000d212cc7 (&mm->mmap_sem){++++}, at: do_exit+0x59c/0x26d0 [ 802.870713] 1 lock held by syz-executor198/7949: [ 802.875489] [ 802.877424] ============================================= [ 802.877424] [ 802.884452] NMI backtrace for cpu 0 [ 802.888138] CPU: 0 PID: 982 Comm: khungtaskd Not tainted 4.19.0+ #82 [ 802.894631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 802.903981] Call Trace: [ 802.906577] dump_stack+0x244/0x39d [ 802.910216] ? dump_stack_print_info.cold.1+0x20/0x20 [ 802.915420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.920972] nmi_cpu_backtrace.cold.1+0x5c/0xa1 [ 802.925652] ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f [ 802.930848] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 802.936138] arch_trigger_cpumask_backtrace+0x14/0x20 [ 802.941335] watchdog+0xb3e/0x1050 [ 802.944893] ? reset_hung_task_detector+0xd0/0xd0 [ 802.949764] ? __kthread_parkme+0xce/0x1a0 [ 802.954013] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 802.959121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 802.964233] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 802.968828] ? trace_hardirqs_on+0xbd/0x310 [ 802.973157] ? kasan_check_read+0x11/0x20 [ 802.977317] ? __kthread_parkme+0xce/0x1a0 [ 802.981561] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.986672] ? trace_hardirqs_off_caller+0x310/0x310 [ 802.991790] ? lockdep_init_map+0x9/0x10 [ 802.995865] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 803.000977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.006523] ? __kthread_parkme+0xfb/0x1a0 [ 803.010782] kthread+0x35a/0x420 [ 803.014157] ? reset_hung_task_detector+0xd0/0xd0 [ 803.019007] ? kthread_stop+0x900/0x900 [ 803.022992] ret_from_fork+0x3a/0x50 [ 803.026860] Sending NMI from CPU 0 to CPUs 1: [ 803.033024] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.430 msecs [ 803.033386] NMI backtrace for cpu 1 [ 803.033394] CPU: 1 PID: 7949 Comm: syz-executor198 Not tainted 4.19.0+ #82 [ 803.033402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 803.033407] RIP: 0010:__lock_acquire+0x44b/0x4c20 [ 803.033421] Code: 83 e2 03 83 e0 01 41 09 f6 c1 e0 02 45 88 77 21 83 e1 f8 09 d1 09 c1 83 e1 f7 44 09 c9 41 88 4f 22 0f b7 55 20 41 0f b7 47 22 e2 04 83 e0 0f 09 d0 48 89 fa 66 41 89 47 22 48 c1 ea 03 48 b8 [ 803.033426] RSP: 0018:ffff8801b88aec90 EFLAGS: 00000002 [ 803.033436] RAX: 0000000000000004 RBX: 00000000000004e1 RCX: 0000000000000004 [ 803.033443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cd5dae8c [ 803.033449] RBP: ffff8801b88af018 R08: 0000000000000001 R09: 0000000000000000 [ 803.033456] R10: 0000000000000028 R11: ffff8801cd5da5c0 R12: 0000000000000001 [ 803.033462] R13: ffff8801cd5dae2c R14: 0000000000000004 R15: ffff8801cd5dae68 [ 803.033469] FS: 00007f8ad1b14700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 803.033474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 803.033481] CR2: ffffffffff600400 CR3: 00000001b8962000 CR4: 00000000001406e0 [ 803.033488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 803.033494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 803.033498] Call Trace: [ 803.033502] ? __lock_is_held+0xb5/0x140 [ 803.033507] ? __account_cfs_rq_runtime+0x790/0x790 [ 803.033512] ? mark_held_locks+0x130/0x130 [ 803.033516] ? print_usage_bug+0xc0/0xc0 [ 803.033521] ? __lock_acquire+0x62f/0x4c20 [ 803.033526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.033531] ? update_load_avg+0x2470/0x2470 [ 803.033537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.033542] ? check_preemption_disabled+0x48/0x280 [ 803.033546] ? print_usage_bug+0xc0/0xc0 [ 803.033551] ? mark_held_locks+0xc7/0x130 [ 803.033555] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.033560] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 803.033564] ? retint_kernel+0x2d/0x2d [ 803.033569] ? trace_hardirqs_on_caller+0xc0/0x310 [ 803.033574] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.033579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 803.033584] ? zap_class+0x640/0x640 [ 803.033588] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.033593] lock_acquire+0x1ed/0x520 [ 803.033597] ? perf_mmap+0x86b/0x1cb0 [ 803.033602] ? lock_release+0xa00/0xa00 [ 803.033607] ? perf_trace_sched_process_exec+0x860/0x860 [ 803.033612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.033617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 803.033622] ? __mutex_lock+0x173/0x16f0 [ 803.033626] ? perf_mmap+0x86b/0x1cb0 [ 803.033630] __mutex_lock+0x166/0x16f0 [ 803.033634] ? perf_mmap+0x86b/0x1cb0 [ 803.033639] ? perf_mmap+0x86b/0x1cb0 [ 803.033643] ? mutex_trylock+0x2b0/0x2b0 [ 803.033647] ? find_held_lock+0x36/0x1c0 [ 803.033651] ? perf_mmap+0x858/0x1cb0 [ 803.033656] ? lock_downgrade+0x900/0x900 [ 803.033660] ? retint_kernel+0x2d/0x2d [ 803.033665] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 803.033670] ? kasan_check_write+0x14/0x20 [ 803.033675] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 803.033680] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 803.033685] ? trace_hardirqs_on+0x310/0x310 [ 803.033690] ? wait_for_completion+0x8a0/0x8a0 [ 803.033694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.033699] ? retint_kernel+0x2d/0x2d [ 803.033703] mutex_lock_nested+0x16/0x20 [ 803.033708] ? mutex_lock_nested+0x16/0x20 [ 803.033712] perf_mmap+0x86b/0x1cb0 [ 803.033716] ? perf_release+0x50/0x50 [ 803.033721] ? find_held_lock+0x36/0x1c0 [ 803.033725] ? zap_class+0x640/0x640 [ 803.033730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.033735] ? check_preemption_disabled+0x48/0x280 [ 803.033751] ? __lock_is_held+0xb5/0x140 [ 803.033756] ? rcu_read_lock_sched_held+0x14f/0x180 [ 803.033767] ? kmem_cache_alloc+0x33a/0x730 [ 803.033771] ? memset+0x31/0x40 [ 803.033776] ? vm_area_alloc+0x15a/0x1d0 [ 803.033781] ? arch_release_thread_stack+0x10/0x10 [ 803.033785] ? do_munmap+0x8a1/0xf50 [ 803.033789] mmap_region+0xe82/0x1cd0 [ 803.033794] ? __x64_sys_brk+0x7d0/0x7d0 [ 803.033798] ? zap_class+0x640/0x640 [ 803.033803] ? exit_robust_list+0x280/0x280 [ 803.033808] ? mpx_unmapped_area_check+0xd8/0x108 [ 803.033812] ? arch_get_unmapped_area+0x750/0x750 [ 803.033817] ? lock_acquire+0x1ed/0x520 [ 803.033822] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 803.033826] ? cap_mmap_addr+0x52/0x130 [ 803.033832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.033836] ? security_mmap_addr+0x80/0xa0 [ 803.033842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.033846] ? get_unmapped_area+0x292/0x3b0 [ 803.033850] do_mmap+0xa22/0x1230 [ 803.033855] ? mmap_region+0x1cd0/0x1cd0 [ 803.033859] ? vm_mmap_pgoff+0x1b5/0x2c0 [ 803.033864] ? down_read_killable+0x150/0x150 [ 803.033869] ? security_mmap_file+0x174/0x1b0 [ 803.033874] vm_mmap_pgoff+0x213/0x2c0 [ 803.033879] ? vma_is_stack_for_current+0xd0/0xd0 [ 803.033883] ? fput+0x130/0x1a0 [ 803.033887] ksys_mmap_pgoff+0x4da/0x660 [ 803.033891] ? do_syscall_64+0x9a/0x820 [ 803.033896] ? find_mergeable_anon_vma+0xd0/0xd0 [ 803.033901] ? trace_hardirqs_on+0xbd/0x310 [ 803.033906] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.033911] ? trace_hardirqs_off_caller+0x310/0x310 [ 803.033916] __x64_sys_mmap+0xe9/0x1b0 [ 803.033920] do_syscall_64+0x1b9/0x820 [ 803.033925] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 803.033930] ? syscall_return_slowpath+0x5e0/0x5e0 [ 803.033935] ? trace_hardirqs_on_caller+0x310/0x310 [ 803.033940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 803.033946] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 803.033951] ? __switch_to_asm+0x40/0x70 [ 803.033955] ? __switch_to_asm+0x34/0x70 [ 803.033960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.033965] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.033970] RIP: 0033:0x446569 [ 803.033983] Code: e8 2c b3 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 2b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 803.033988] RSP: 002b:00007f8ad1b13da8 EFLAGS: 00000216 ORIG_RAX: 0000000000000009 [ 803.034000] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 0000000000446569 [ 803.034007] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 803.034013] RBP: 00000000006dbc60 R08: 0000000000000003 R09: 0000000000000000 [ 803.034020] R10: 0000000000000011 R11: 0000000000000216 R12: 00000000006dbc6c [ 803.034026] R13: 00007ffe4b4dd2bf R14: 00007f8ad1b149c0 R15: 00000000006dbd4c [ 803.045780] Kernel panic - not syncing: hung_task: blocked tasks [ 803.663688] CPU: 0 PID: 982 Comm: khungtaskd Not tainted 4.19.0+ #82 [ 803.670179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 803.679554] Call Trace: [ 803.682160] dump_stack+0x244/0x39d [ 803.685806] ? dump_stack_print_info.cold.1+0x20/0x20 [ 803.691103] panic+0x238/0x4e7 [ 803.694305] ? add_taint.cold.5+0x16/0x16 [ 803.698470] ? nmi_trigger_cpumask_backtrace+0x16a/0x1ed [ 803.703928] ? nmi_trigger_cpumask_backtrace+0x1c4/0x1ed [ 803.709384] ? nmi_trigger_cpumask_backtrace+0x173/0x1ed [ 803.714843] ? nmi_trigger_cpumask_backtrace+0x16a/0x1ed [ 803.720306] watchdog+0xb4f/0x1050 [ 803.723865] ? reset_hung_task_detector+0xd0/0xd0 [ 803.728720] ? __kthread_parkme+0xce/0x1a0 [ 803.732979] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 803.738168] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 803.743281] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 803.747896] ? trace_hardirqs_on+0xbd/0x310 [ 803.752248] ? kasan_check_read+0x11/0x20 [ 803.756405] ? __kthread_parkme+0xce/0x1a0 [ 803.760649] ? trace_hardirqs_off_caller+0x310/0x310 [ 803.765772] ? trace_hardirqs_off_caller+0x310/0x310 [ 803.770884] ? lockdep_init_map+0x9/0x10 [ 803.774959] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 803.780068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.785610] ? __kthread_parkme+0xfb/0x1a0 [ 803.789898] kthread+0x35a/0x420 [ 803.793270] ? reset_hung_task_detector+0xd0/0xd0 [ 803.798122] ? kthread_stop+0x900/0x900 [ 803.802108] ret_from_fork+0x3a/0x50 [ 803.807003] Kernel Offset: disabled [ 803.810639] Rebooting in 86400 seconds..