Warning: Permanently added '10.128.10.5' (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 syzkaller login: [ 751.085895][ T9829] No such timeout policy "syz0" [ 751.087899][ T9823] No such timeout policy "syz0" [ 751.091152][ T9828] No such timeout policy "syz0" [ 751.101981][ T9830] No such timeout policy "syz0" [ 751.107016][ T9831] No such timeout policy "syz0" [ 751.121886][ T9835] No such timeout policy "syz0" [ 751.125453][ T9833] No such timeout policy "syz0" executing program executing program executing program executing program executing program executing program executing program executing program [ 751.132672][ T9836] No such timeout policy "syz0" [ 751.137953][ T9834] No such timeout policy "syz0" [ 751.149674][ T9837] No such timeout policy "syz0" [ 904.428519][ T1099] INFO: task syz-executor135:9837 blocked for more than 143 seconds. [ 904.436754][ T1099] Not tainted 5.5.0-syzkaller #0 [ 904.443841][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 904.452784][ T1099] syz-executor135 D28056 9837 9822 0x00004004 [ 904.459433][ T1099] Call Trace: [ 904.462989][ T1099] __schedule+0x934/0x1f90 [ 904.467442][ T1099] ? __sched_text_start+0x8/0x8 [ 904.472583][ T1099] ? __lock_acquire+0x29c9/0x4a00 [ 904.477645][ T1099] schedule+0xdc/0x2b0 [ 904.481945][ T1099] schedule_timeout+0x717/0xc50 [ 904.486905][ T1099] ? __kasan_check_read+0x11/0x20 [ 904.492366][ T1099] ? usleep_range+0x170/0x170 [ 904.497075][ T1099] ? mark_held_locks+0xa4/0xf0 [ 904.502071][ T1099] ? _raw_spin_unlock_irq+0x23/0x80 [ 904.507423][ T1099] ? wait_for_completion+0x294/0x440 [ 904.512983][ T1099] ? _raw_spin_unlock_irq+0x23/0x80 [ 904.518225][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 904.523835][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 904.529206][ T1099] wait_for_completion+0x29c/0x440 [ 904.534353][ T1099] ? wait_for_completion_interruptible+0x470/0x470 [ 904.541200][ T1099] ? wake_up_q+0x140/0x140 [ 904.545733][ T1099] ? __rcu_read_unlock+0x26e/0x700 [ 904.551132][ T1099] __flush_work+0x4fe/0xa50 [ 904.555676][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 904.561403][ T1099] ? queue_delayed_work_on+0x210/0x210 [ 904.566890][ T1099] ? init_pwq+0x360/0x360 [ 904.572406][ T1099] __cancel_work_timer+0x3d9/0x540 [ 904.577538][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 904.582539][ T1099] ? mod_delayed_work_on+0x200/0x200 [ 904.587848][ T1099] ? __kasan_check_write+0x14/0x20 [ 904.593368][ T1099] ? xt_ct_tg_check_v1+0x7c/0xa0 [ 904.598655][ T1099] ? xt_ct_tg_check_v2+0xa0/0xa0 [ 904.603729][ T1099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 904.610231][ T1099] cancel_delayed_work_sync+0x1b/0x20 [ 904.615620][ T1099] htable_put+0x15f/0x220 [ 904.620218][ T1099] ? htable_put+0x220/0x220 [ 904.624740][ T1099] hashlimit_mt_destroy+0x56/0x70 [ 904.630112][ T1099] cleanup_match+0xde/0x170 [ 904.634632][ T1099] ? icmp_checkentry+0xa0/0xa0 [ 904.640060][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 904.646334][ T1099] find_check_entry.isra.0+0x454/0x920 [ 904.652033][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 904.657022][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 904.662694][ T1099] ? kvfree+0x4a/0x60 [ 904.666710][ T1099] translate_table+0xcb4/0x17d0 [ 904.671903][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 904.677826][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 904.684465][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 904.689640][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 904.694337][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 904.700950][ T1099] ? mutex_unlock+0xd/0x10 [ 904.705478][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 904.711696][ T1099] nf_setsockopt+0x77/0xd0 [ 904.716476][ T1099] ip_setsockopt+0xdf/0x100 [ 904.721233][ T1099] tcp_setsockopt+0x8f/0xe0 [ 904.725815][ T1099] sock_common_setsockopt+0x94/0xd0 [ 904.731311][ T1099] __sys_setsockopt+0x261/0x4c0 [ 904.736202][ T1099] ? sock_create_kern+0x50/0x50 [ 904.741283][ T1099] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 904.746857][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 904.752552][ T1099] ? do_syscall_64+0x26/0x790 [ 904.758202][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 904.764514][ T1099] ? do_syscall_64+0x26/0x790 [ 904.769393][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 904.774635][ T1099] do_syscall_64+0xfa/0x790 [ 904.779372][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 904.785386][ T1099] RIP: 0033:0x441269 [ 904.789519][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 904.809477][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 904.817924][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 904.826330][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 904.836960][ T1099] RBP: 00000000000b62d0 R08: 0000000000000400 R09: 00000000004002c8 [ 904.845168][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 904.853698][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 904.862035][ T1099] INFO: task syz-executor135:9840 blocked for more than 143 seconds. [ 904.870341][ T1099] Not tainted 5.5.0-syzkaller #0 [ 904.875809][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 904.884841][ T1099] syz-executor135 D28056 9840 9826 0x00000004 [ 904.891424][ T1099] Call Trace: [ 904.894737][ T1099] __schedule+0x934/0x1f90 [ 904.899478][ T1099] ? __sched_text_start+0x8/0x8 [ 904.904355][ T1099] ? lock_downgrade+0x920/0x920 [ 904.909449][ T1099] ? rwlock_bug.part.0+0x90/0x90 [ 904.914415][ T1099] schedule+0xdc/0x2b0 [ 904.918715][ T1099] schedule_preempt_disabled+0x13/0x20 [ 904.924228][ T1099] __mutex_lock+0x7ab/0x13c0 [ 904.929096][ T1099] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 904.935625][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 904.940646][ T1099] ? find_held_lock+0x35/0x130 [ 904.945432][ T1099] ? xt_find_match+0x1e8/0x280 [ 904.950588][ T1099] mutex_lock_nested+0x16/0x20 [ 904.955367][ T1099] ? mutex_lock_nested+0x16/0x20 [ 904.961579][ T1099] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 904.967953][ T1099] hashlimit_mt_check+0xa4/0xd0 [ 904.973249][ T1099] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 904.980164][ T1099] xt_check_match+0x280/0x690 [ 904.984900][ T1099] ? xt_check_target+0x690/0x690 [ 904.990093][ T1099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 904.996367][ T1099] ? mutex_unlock+0xd/0x10 [ 905.001022][ T1099] ? xt_find_match+0x73/0x280 [ 905.005732][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.012254][ T1099] find_check_entry.isra.0+0x32f/0x920 [ 905.017754][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 905.022886][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 905.028203][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 905.033513][ T1099] ? kvfree+0x4a/0x60 [ 905.037533][ T1099] translate_table+0xcb4/0x17d0 [ 905.042637][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 905.048211][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.054697][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 905.059824][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 905.064519][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 905.070251][ T1099] ? mutex_unlock+0xd/0x10 [ 905.074680][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 905.080879][ T1099] nf_setsockopt+0x77/0xd0 [ 905.085345][ T1099] ip_setsockopt+0xdf/0x100 [ 905.091998][ T1099] tcp_setsockopt+0x8f/0xe0 [ 905.096540][ T1099] sock_common_setsockopt+0x94/0xd0 [ 905.101948][ T1099] __sys_setsockopt+0x261/0x4c0 [ 905.106813][ T1099] ? sock_create_kern+0x50/0x50 [ 905.111967][ T1099] ? up_read+0x1cd/0x810 [ 905.116264][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 905.121948][ T1099] ? do_syscall_64+0x26/0x790 [ 905.126632][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.132941][ T1099] ? do_syscall_64+0x26/0x790 [ 905.137634][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 905.143046][ T1099] do_syscall_64+0xfa/0x790 [ 905.147579][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.153721][ T1099] RIP: 0033:0x441269 [ 905.157632][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 905.177514][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 905.186171][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 905.194374][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 905.202600][ T1099] RBP: 00000000000b7606 R08: 0000000000000400 R09: 00000000004002c8 [ 905.210794][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 905.219888][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 905.227921][ T1099] INFO: task syz-executor135:9841 blocked for more than 144 seconds. [ 905.236230][ T1099] Not tainted 5.5.0-syzkaller #0 [ 905.241895][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 905.251177][ T1099] syz-executor135 D28056 9841 9821 0x00000004 [ 905.257528][ T1099] Call Trace: [ 905.261072][ T1099] __schedule+0x934/0x1f90 [ 905.265545][ T1099] ? __sched_text_start+0x8/0x8 [ 905.270570][ T1099] ? lock_downgrade+0x920/0x920 [ 905.275442][ T1099] ? rwlock_bug.part.0+0x90/0x90 [ 905.280586][ T1099] schedule+0xdc/0x2b0 [ 905.284782][ T1099] schedule_preempt_disabled+0x13/0x20 [ 905.290469][ T1099] __mutex_lock+0x7ab/0x13c0 [ 905.295075][ T1099] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 905.301834][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 905.306756][ T1099] ? find_held_lock+0x35/0x130 [ 905.311742][ T1099] ? xt_find_match+0x1e8/0x280 [ 905.316533][ T1099] mutex_lock_nested+0x16/0x20 [ 905.321491][ T1099] ? mutex_lock_nested+0x16/0x20 [ 905.326444][ T1099] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 905.333003][ T1099] hashlimit_mt_check+0xa4/0xd0 [ 905.337983][ T1099] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 905.344820][ T1099] xt_check_match+0x280/0x690 [ 905.350628][ T1099] ? xt_check_target+0x690/0x690 [ 905.355762][ T1099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 905.362272][ T1099] ? mutex_unlock+0xd/0x10 [ 905.369554][ T1099] ? xt_find_match+0x73/0x280 [ 905.374268][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.380739][ T1099] find_check_entry.isra.0+0x32f/0x920 [ 905.386232][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 905.391296][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 905.396599][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 905.403107][ T1099] ? kvfree+0x4a/0x60 [ 905.407126][ T1099] translate_table+0xcb4/0x17d0 [ 905.412279][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 905.418115][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.424597][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 905.429748][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 905.434446][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 905.440123][ T1099] ? mutex_unlock+0xd/0x10 [ 905.444560][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 905.450978][ T1099] nf_setsockopt+0x77/0xd0 [ 905.455408][ T1099] ip_setsockopt+0xdf/0x100 [ 905.460293][ T1099] tcp_setsockopt+0x8f/0xe0 [ 905.464815][ T1099] sock_common_setsockopt+0x94/0xd0 [ 905.470465][ T1099] __sys_setsockopt+0x261/0x4c0 [ 905.475443][ T1099] ? sock_create_kern+0x50/0x50 [ 905.482559][ T1099] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 905.488152][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 905.494169][ T1099] ? do_syscall_64+0x26/0x790 [ 905.499225][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.505298][ T1099] ? do_syscall_64+0x26/0x790 [ 905.510390][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 905.515515][ T1099] do_syscall_64+0xfa/0x790 [ 905.520423][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.526328][ T1099] RIP: 0033:0x441269 [ 905.530630][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 905.551580][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 905.560475][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 905.568802][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 905.576784][ T1099] RBP: 00000000000b75e7 R08: 0000000000000400 R09: 00000000004002c8 [ 905.585169][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 905.593517][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 905.601966][ T1099] INFO: task syz-executor135:9842 blocked for more than 144 seconds. [ 905.611304][ T1099] Not tainted 5.5.0-syzkaller #0 [ 905.616768][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 905.625823][ T1099] syz-executor135 D28056 9842 9827 0x00000004 [ 905.633084][ T1099] Call Trace: [ 905.636395][ T1099] __schedule+0x934/0x1f90 [ 905.641175][ T1099] ? __sched_text_start+0x8/0x8 [ 905.646041][ T1099] ? lock_downgrade+0x920/0x920 [ 905.651316][ T1099] ? rwlock_bug.part.0+0x90/0x90 [ 905.656291][ T1099] schedule+0xdc/0x2b0 [ 905.660742][ T1099] schedule_preempt_disabled+0x13/0x20 [ 905.666338][ T1099] __mutex_lock+0x7ab/0x13c0 [ 905.671495][ T1099] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 905.678032][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 905.683229][ T1099] ? find_held_lock+0x35/0x130 [ 905.688016][ T1099] ? xt_find_match+0x1e8/0x280 [ 905.693252][ T1099] mutex_lock_nested+0x16/0x20 [ 905.698119][ T1099] ? mutex_lock_nested+0x16/0x20 [ 905.703471][ T1099] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 905.710126][ T1099] hashlimit_mt_check+0xa4/0xd0 [ 905.714997][ T1099] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 905.722018][ T1099] xt_check_match+0x280/0x690 [ 905.726708][ T1099] ? xt_check_target+0x690/0x690 [ 905.732058][ T1099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 905.739781][ T1099] ? mutex_unlock+0xd/0x10 [ 905.744228][ T1099] ? xt_find_match+0x73/0x280 [ 905.749352][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.755607][ T1099] find_check_entry.isra.0+0x32f/0x920 [ 905.761591][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 905.766476][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 905.772198][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 905.777250][ T1099] ? kvfree+0x4a/0x60 [ 905.781645][ T1099] translate_table+0xcb4/0x17d0 [ 905.786541][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 905.792390][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 905.799084][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 905.804037][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 905.809050][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 905.814550][ T1099] ? mutex_unlock+0xd/0x10 [ 905.819373][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 905.825385][ T1099] nf_setsockopt+0x77/0xd0 [ 905.830221][ T1099] ip_setsockopt+0xdf/0x100 [ 905.834741][ T1099] tcp_setsockopt+0x8f/0xe0 [ 905.839620][ T1099] sock_common_setsockopt+0x94/0xd0 [ 905.844853][ T1099] __sys_setsockopt+0x261/0x4c0 [ 905.850072][ T1099] ? sock_create_kern+0x50/0x50 [ 905.854930][ T1099] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 905.860884][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 905.866361][ T1099] ? do_syscall_64+0x26/0x790 [ 905.872375][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.878745][ T1099] ? do_syscall_64+0x26/0x790 [ 905.883448][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 905.889067][ T1099] do_syscall_64+0xfa/0x790 [ 905.893605][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 905.899828][ T1099] RIP: 0033:0x441269 [ 905.903736][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 905.923908][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 905.932758][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 905.941272][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 905.949969][ T1099] RBP: 00000000000b75ec R08: 0000000000000400 R09: 00000000004002c8 [ 905.959245][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 905.967233][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 905.975700][ T1099] INFO: task syz-executor135:9843 blocked for more than 144 seconds. [ 905.984159][ T1099] Not tainted 5.5.0-syzkaller #0 [ 905.989885][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 905.999998][ T1099] syz-executor135 D27968 9843 9824 0x00000004 [ 906.006350][ T1099] Call Trace: [ 906.010038][ T1099] __schedule+0x934/0x1f90 [ 906.014592][ T1099] ? __sched_text_start+0x8/0x8 [ 906.019988][ T1099] ? lock_downgrade+0x920/0x920 [ 906.024855][ T1099] ? rwlock_bug.part.0+0x90/0x90 [ 906.030378][ T1099] schedule+0xdc/0x2b0 [ 906.034502][ T1099] schedule_preempt_disabled+0x13/0x20 [ 906.040344][ T1099] __mutex_lock+0x7ab/0x13c0 [ 906.044966][ T1099] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.051904][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 906.056734][ T1099] ? find_held_lock+0x35/0x130 [ 906.061910][ T1099] ? xt_find_match+0x1e8/0x280 [ 906.066698][ T1099] mutex_lock_nested+0x16/0x20 [ 906.071884][ T1099] ? mutex_lock_nested+0x16/0x20 [ 906.076848][ T1099] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.083629][ T1099] hashlimit_mt_check+0xa4/0xd0 [ 906.088865][ T1099] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 906.095471][ T1099] xt_check_match+0x280/0x690 [ 906.100531][ T1099] ? xt_check_target+0x690/0x690 [ 906.105494][ T1099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 906.112246][ T1099] ? mutex_unlock+0xd/0x10 [ 906.116701][ T1099] ? xt_find_match+0x73/0x280 [ 906.121788][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 906.128061][ T1099] find_check_entry.isra.0+0x32f/0x920 [ 906.135474][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 906.140677][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 906.145987][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 906.151606][ T1099] ? kvfree+0x4a/0x60 [ 906.155645][ T1099] translate_table+0xcb4/0x17d0 [ 906.160932][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 906.166413][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 906.173113][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 906.178090][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 906.183278][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 906.189149][ T1099] ? mutex_unlock+0xd/0x10 [ 906.193602][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 906.200090][ T1099] nf_setsockopt+0x77/0xd0 [ 906.204547][ T1099] ip_setsockopt+0xdf/0x100 [ 906.209461][ T1099] tcp_setsockopt+0x8f/0xe0 [ 906.214016][ T1099] sock_common_setsockopt+0x94/0xd0 [ 906.219635][ T1099] __sys_setsockopt+0x261/0x4c0 [ 906.224516][ T1099] ? sock_create_kern+0x50/0x50 [ 906.229815][ T1099] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 906.235404][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.241411][ T1099] ? do_syscall_64+0x26/0x790 [ 906.246173][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 906.252704][ T1099] ? do_syscall_64+0x26/0x790 [ 906.257411][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 906.263884][ T1099] do_syscall_64+0xfa/0x790 [ 906.268892][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 906.274813][ T1099] RIP: 0033:0x441269 [ 906.279252][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 906.299304][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 906.307738][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 906.316510][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 906.324927][ T1099] RBP: 00000000000b760a R08: 0000000000000400 R09: 00000000004002c8 [ 906.333255][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 906.341735][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 906.351001][ T1099] INFO: task syz-executor135:9844 blocked for more than 145 seconds. [ 906.359389][ T1099] Not tainted 5.5.0-syzkaller #0 [ 906.365310][ T1099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 906.374377][ T1099] syz-executor135 D28056 9844 9825 0x00000004 [ 906.381349][ T1099] Call Trace: [ 906.384680][ T1099] __schedule+0x934/0x1f90 [ 906.390459][ T1099] ? __sched_text_start+0x8/0x8 [ 906.395337][ T1099] ? lock_downgrade+0x920/0x920 [ 906.400683][ T1099] ? rwlock_bug.part.0+0x90/0x90 [ 906.405748][ T1099] schedule+0xdc/0x2b0 [ 906.410211][ T1099] schedule_preempt_disabled+0x13/0x20 [ 906.415685][ T1099] __mutex_lock+0x7ab/0x13c0 [ 906.420818][ T1099] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.427355][ T1099] ? mutex_trylock+0x2d0/0x2d0 [ 906.432709][ T1099] ? find_held_lock+0x35/0x130 [ 906.437526][ T1099] ? xt_find_match+0x1e8/0x280 [ 906.442818][ T1099] mutex_lock_nested+0x16/0x20 [ 906.447680][ T1099] ? mutex_lock_nested+0x16/0x20 [ 906.452958][ T1099] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.459771][ T1099] hashlimit_mt_check+0xa4/0xd0 [ 906.464640][ T1099] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 906.471709][ T1099] xt_check_match+0x280/0x690 [ 906.476402][ T1099] ? xt_check_target+0x690/0x690 [ 906.481775][ T1099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 906.488162][ T1099] ? mutex_unlock+0xd/0x10 [ 906.493003][ T1099] ? xt_find_match+0x73/0x280 [ 906.497714][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 906.504400][ T1099] find_check_entry.isra.0+0x32f/0x920 [ 906.510290][ T1099] ? ipt_do_table+0x1b80/0x1b80 [ 906.515172][ T1099] ? lockdep_hardirqs_on+0x421/0x5e0 [ 906.521932][ T1099] ? trace_hardirqs_on+0x67/0x240 [ 906.527434][ T1099] ? kvfree+0x4a/0x60 [ 906.531840][ T1099] translate_table+0xcb4/0x17d0 [ 906.536740][ T1099] ? compat_do_ipt_get_ctl+0x910/0x910 [ 906.542640][ T1099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 906.549470][ T1099] ? _copy_from_user+0x12c/0x1a0 [ 906.554448][ T1099] do_ipt_set_ctl+0x2fe/0x4c2 [ 906.559604][ T1099] ? compat_do_ipt_set_ctl+0x170/0x170 [ 906.565161][ T1099] ? mutex_unlock+0xd/0x10 [ 906.570009][ T1099] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 906.576023][ T1099] nf_setsockopt+0x77/0xd0 [ 906.580887][ T1099] ip_setsockopt+0xdf/0x100 [ 906.585420][ T1099] tcp_setsockopt+0x8f/0xe0 [ 906.590329][ T1099] sock_common_setsockopt+0x94/0xd0 [ 906.595565][ T1099] __sys_setsockopt+0x261/0x4c0 [ 906.600838][ T1099] ? sock_create_kern+0x50/0x50 [ 906.605708][ T1099] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 906.611709][ T1099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.617201][ T1099] ? do_syscall_64+0x26/0x790 [ 906.622293][ T1099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 906.628761][ T1099] ? do_syscall_64+0x26/0x790 [ 906.633470][ T1099] __x64_sys_setsockopt+0xbe/0x150 [ 906.639002][ T1099] do_syscall_64+0xfa/0x790 [ 906.643535][ T1099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 906.650868][ T1099] RIP: 0033:0x441269 [ 906.654784][ T1099] Code: 66 69 67 20 69 73 20 6e 6f 74 20 63 6c 65 61 6e 2e 0a 43 68 65 63 6b 20 65 72 72 6f 72 20 6c 6f 67 20 66 6f 72 20 64 65 74 61 <69> 6c 73 2c 20 66 69 78 20 65 72 72 6f 72 73 20 61 6e 64 20 72 65 [ 906.675036][ T1099] RSP: 002b:00007fff7cc3bc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 906.683981][ T1099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 906.692463][ T1099] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 906.700830][ T1099] RBP: 00000000000b75dc R08: 0000000000000400 R09: 00000000004002c8 [ 906.709254][ T1099] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 906.717253][ T1099] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 906.725844][ T1099] [ 906.725844][ T1099] Showing all locks held in the system: [ 906.734002][ T1099] 1 lock held by khungtaskd/1099: [ 906.739536][ T1099] #0: ffffffff89babf40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 906.749294][ T1099] 2 locks held by kworker/1:49/2975: [ 906.754638][ T1099] 1 lock held by rsyslogd/9705: [ 906.759884][ T1099] #0: ffff8880957d6860 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 906.768957][ T1099] 2 locks held by getty/9797: [ 906.773760][ T1099] #0: ffff88809ed34090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.784123][ T1099] #1: ffffc9000179b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.794175][ T1099] 2 locks held by getty/9798: [ 906.799145][ T1099] #0: ffff88808e9bb090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.808121][ T1099] #1: ffffc900017772e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.818188][ T1099] 2 locks held by getty/9799: [ 906.823302][ T1099] #0: ffff88809e960090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.832837][ T1099] #1: ffffc900017eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.843010][ T1099] 2 locks held by getty/9800: [ 906.847706][ T1099] #0: ffff88808f497090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.857115][ T1099] #1: ffffc900017db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.867106][ T1099] 2 locks held by getty/9801: [ 906.872182][ T1099] #0: ffff8880a8582090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.881565][ T1099] #1: ffffc900017fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.891535][ T1099] 2 locks held by getty/9802: [ 906.896329][ T1099] #0: ffff8880a7e6e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.905742][ T1099] #1: ffffc900017cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.916699][ T1099] 2 locks held by getty/9803: [ 906.921681][ T1099] #0: ffff88809c8f3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 906.931079][ T1099] #1: ffffc9000174b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 906.941037][ T1099] 1 lock held by syz-executor135/9837: [ 906.946619][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: htable_put+0x21/0x220 [ 906.955791][ T1099] 1 lock held by syz-executor135/9840: [ 906.961754][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.972970][ T1099] 1 lock held by syz-executor135/9841: [ 906.978785][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 906.989978][ T1099] 1 lock held by syz-executor135/9842: [ 906.995531][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 907.006689][ T1099] 1 lock held by syz-executor135/9843: [ 907.012535][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 907.023711][ T1099] 1 lock held by syz-executor135/9844: [ 907.029533][ T1099] #0: ffffffff8a7b80a0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 907.041570][ T1099] [ 907.043904][ T1099] ============================================= [ 907.043904][ T1099] [ 907.052720][ T1099] NMI backtrace for cpu 0 [ 907.057154][ T1099] CPU: 0 PID: 1099 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 907.065101][ T1099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 907.075166][ T1099] Call Trace: [ 907.078621][ T1099] dump_stack+0x197/0x210 [ 907.082985][ T1099] nmi_cpu_backtrace.cold+0x70/0xb2 [ 907.088253][ T1099] ? vprintk_func+0x86/0x189 [ 907.092923][ T1099] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 907.098578][ T1099] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 907.104766][ T1099] arch_trigger_cpumask_backtrace+0x14/0x20 [ 907.110672][ T1099] watchdog+0xb11/0x10c0 [ 907.114940][ T1099] kthread+0x361/0x430 [ 907.119015][ T1099] ? reset_hung_task_detector+0x30/0x30 [ 907.124831][ T1099] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 907.130565][ T1099] ret_from_fork+0x24/0x30 [ 907.135127][ T1099] Sending NMI from CPU 0 to CPUs 1: [ 907.140672][ C1] NMI backtrace for cpu 1 [ 907.140677][ C1] CPU: 1 PID: 2975 Comm: kworker/1:49 Not tainted 5.5.0-syzkaller #0 [ 907.140683][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 907.140687][ C1] Workqueue: events_power_efficient htable_gc [ 907.140693][ C1] RIP: 0010:lock_is_held_type+0x1ac/0x320 [ 907.140703][ C1] Code: 83 c7 01 84 c0 74 08 3c 03 0f 8e 3a 01 00 00 44 3b bb 90 08 00 00 0f 8d eb 00 00 00 48 8b 4d d0 49 63 c7 4c 89 f6 48 8d 04 80 <4c> 8d 2c c1 4c 89 ef e8 98 ea ff ff 85 c0 74 c0 83 7d cc ff 41 bc [ 907.140707][ C1] RSP: 0018:ffffc9000926fc18 EFLAGS: 00000097 [ 907.140714][ C1] RAX: 0000000000000005 RBX: ffff88809ebe4300 RCX: ffff88809ebe4b98 [ 907.140719][ C1] RDX: 0000000000000000 RSI: ffffffff89babec0 RDI: ffff88809ebe4bba [ 907.140724][ C1] RBP: ffffc9000926fc60 R08: 1ffffffff169f57a R09: fffffbfff169f57b [ 907.140728][ C1] R10: fffffbfff169f57a R11: ffffffff8b4fabd7 R12: ffffed1013d7c972 [ 907.140733][ C1] R13: ffff88809ebe4b98 R14: ffffffff89babec0 R15: 0000000000000001 [ 907.140738][ C1] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 907.140742][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 907.140747][ C1] CR2: 0000000020000600 CR3: 00000000a86bc000 CR4: 00000000001406e0 [ 907.140752][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 907.140757][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 907.140759][ C1] Call Trace: [ 907.140762][ C1] ___might_sleep+0x205/0x2c0 [ 907.140766][ C1] htable_selective_cleanup+0x245/0x340 [ 907.140770][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 907.140773][ C1] ? trace_hardirqs_on+0x67/0x240 [ 907.140776][ C1] htable_gc+0x21/0xb0 [ 907.140779][ C1] process_one_work+0xa05/0x17a0 [ 907.140782][ C1] ? mark_held_locks+0xf0/0xf0 [ 907.140786][ C1] ? pwq_dec_nr_in_flight+0x320/0x320 [ 907.140789][ C1] ? lock_acquire+0x190/0x410 [ 907.140792][ C1] worker_thread+0x98/0xe40 [ 907.140795][ C1] ? trace_hardirqs_on+0x67/0x240 [ 907.140798][ C1] kthread+0x361/0x430 [ 907.140801][ C1] ? process_one_work+0x17a0/0x17a0 [ 907.140805][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 907.140808][ C1] ret_from_fork+0x24/0x30 [ 907.142957][ T1099] Kernel panic - not syncing: hung_task: blocked tasks [ 907.364445][ T1099] CPU: 0 PID: 1099 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 907.372339][ T1099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 907.382402][ T1099] Call Trace: [ 907.385708][ T1099] dump_stack+0x197/0x210 [ 907.393064][ T1099] panic+0x2e3/0x75c [ 907.396987][ T1099] ? add_taint.cold+0x16/0x16 [ 907.401682][ T1099] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 907.407339][ T1099] ? ___preempt_schedule+0x16/0x18 [ 907.412473][ T1099] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 907.418663][ T1099] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 907.424827][ T1099] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 907.430996][ T1099] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 907.437168][ T1099] watchdog+0xb22/0x10c0 [ 907.441432][ T1099] kthread+0x361/0x430 [ 907.445513][ T1099] ? reset_hung_task_detector+0x30/0x30 [ 907.451062][ T1099] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 907.456901][ T1099] ret_from_fork+0x24/0x30 [ 907.463176][ T1099] Kernel Offset: disabled [ 907.467512][ T1099] Rebooting in 86400 seconds..