[ 86.995613][ T27] audit: type=1800 audit(1580583816.386:27): pid=9791 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 87.060755][ T27] audit: type=1800 audit(1580583816.406:28): pid=9791 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 88.256198][ T27] audit: type=1800 audit(1580583817.686:29): pid=9791 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 88.276680][ T27] audit: type=1800 audit(1580583817.696:30): pid=9791 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.121' (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 syzkaller login: [ 784.799156][ T9954] No such timeout policy "syz0" [ 784.801348][ T9947] No such timeout policy "syz0" [ 784.804468][ T9953] No such timeout policy "syz0" [ 784.814161][ T9952] No such timeout policy "syz0" [ 784.819125][ T9955] No such timeout policy "syz0" executing program executing program executing program executing program executing program executing program executing program executing program [ 784.841689][ T9961] No such timeout policy "syz0" [ 784.843487][ T9959] No such timeout policy "syz0" [ 784.855964][ T9960] No such timeout policy "syz0" [ 784.861151][ T9958] No such timeout policy "syz0" [ 784.863058][ T9963] No such timeout policy "syz0" [ 941.940760][ T1132] INFO: task syz-executor902:9959 blocked for more than 143 seconds. [ 941.948886][ T1132] Not tainted 5.5.0-syzkaller #0 [ 941.954421][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 941.963616][ T1132] syz-executor902 D28080 9959 9950 0x00004004 [ 941.969964][ T1132] Call Trace: [ 941.979182][ T1132] __schedule+0x934/0x1f90 [ 941.983960][ T1132] ? __sched_text_start+0x8/0x8 [ 941.988868][ T1132] ? finish_task_switch+0x147/0x750 [ 941.994449][ T1132] schedule+0xdc/0x2b0 [ 941.998532][ T1132] schedule_timeout+0x717/0xc50 [ 942.003688][ T1132] ? __sched_text_start+0x8/0x8 [ 942.008550][ T1132] ? usleep_range+0x170/0x170 [ 942.013630][ T1132] ? __kasan_check_read+0x11/0x20 [ 942.018663][ T1132] ? preempt_schedule_common+0x63/0xe0 [ 942.024600][ T1132] ? preempt_schedule+0x4b/0x60 [ 942.029483][ T1132] ? ___preempt_schedule+0x16/0x18 [ 942.034939][ T1132] wait_for_completion+0x29c/0x440 [ 942.040062][ T1132] ? wait_for_completion_interruptible+0x470/0x470 [ 942.047139][ T1132] ? wake_up_q+0x140/0x140 [ 942.051993][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 942.057289][ T1132] ? __kasan_check_read+0x11/0x20 [ 942.062662][ T1132] __flush_work+0x4fe/0xa50 [ 942.067187][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 942.073004][ T1132] ? init_pwq+0x360/0x360 [ 942.077468][ T1132] ? __cancel_work_timer+0xc4/0x540 [ 942.083066][ T1132] ? __cancel_work_timer+0x1e0/0x540 [ 942.088354][ T1132] ? cancel_delayed_work_sync+0x1b/0x20 [ 942.094214][ T1132] ? __cancel_work_timer+0x1e0/0x540 [ 942.099501][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 942.105127][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 942.110162][ T1132] __cancel_work_timer+0x3d9/0x540 [ 942.115590][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 942.120361][ T1132] ? mod_delayed_work_on+0x200/0x200 [ 942.125947][ T1132] ? __kasan_check_write+0x14/0x20 [ 942.131426][ T1132] ? xt_ct_tg_check_v1+0x7c/0xa0 [ 942.136365][ T1132] ? xt_ct_tg_check_v2+0xa0/0xa0 [ 942.141670][ T1132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 942.147927][ T1132] cancel_delayed_work_sync+0x1b/0x20 [ 942.153631][ T1132] htable_put+0x15f/0x220 [ 942.158050][ T1132] ? htable_put+0x220/0x220 [ 942.162874][ T1132] hashlimit_mt_destroy+0x56/0x70 [ 942.167971][ T1132] cleanup_match+0xde/0x170 [ 942.172774][ T1132] ? icmp_checkentry+0xa0/0xa0 [ 942.177555][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.184086][ T1132] find_check_entry.isra.0+0x454/0x920 [ 942.189573][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 942.194759][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 942.200139][ T1132] ? kvfree+0x4a/0x60 [ 942.204521][ T1132] translate_table+0xcb4/0x17d0 [ 942.209448][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 942.215274][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.221878][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 942.226832][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 942.231867][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 942.237357][ T1132] ? mutex_unlock+0xd/0x10 [ 942.242186][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 942.248293][ T1132] nf_setsockopt+0x77/0xd0 [ 942.253155][ T1132] ip_setsockopt+0xdf/0x100 [ 942.257682][ T1132] tcp_setsockopt+0x8f/0xe0 [ 942.263389][ T1132] sock_common_setsockopt+0x94/0xd0 [ 942.268644][ T1132] __sys_setsockopt+0x261/0x4c0 [ 942.273921][ T1132] ? sock_create_kern+0x50/0x50 [ 942.278827][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 942.284721][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 942.290189][ T1132] ? do_syscall_64+0x26/0x790 [ 942.295311][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.301674][ T1132] ? do_syscall_64+0x26/0x790 [ 942.306368][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 942.311793][ T1132] do_syscall_64+0xfa/0x790 [ 942.316311][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.322577][ T1132] RIP: 0033:0x441269 [ 942.326478][ T1132] 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 [ 942.346553][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 942.355254][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 942.363618][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 942.371883][ T1132] RBP: 00000000000be68b R08: 0000000000000400 R09: 00000000004002c8 [ 942.379855][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 942.388175][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 942.396456][ T1132] INFO: task syz-executor902:9965 blocked for more than 143 seconds. [ 942.404796][ T1132] Not tainted 5.5.0-syzkaller #0 [ 942.410247][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 942.419179][ T1132] syz-executor902 D28080 9965 9946 0x00000004 [ 942.425813][ T1132] Call Trace: [ 942.429116][ T1132] __schedule+0x934/0x1f90 [ 942.433826][ T1132] ? __sched_text_start+0x8/0x8 [ 942.438680][ T1132] ? lock_downgrade+0x920/0x920 [ 942.443854][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 942.448806][ T1132] schedule+0xdc/0x2b0 [ 942.453173][ T1132] schedule_preempt_disabled+0x13/0x20 [ 942.458737][ T1132] __mutex_lock+0x7ab/0x13c0 [ 942.463632][ T1132] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 942.470142][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 942.475290][ T1132] ? find_held_lock+0x35/0x130 [ 942.480065][ T1132] ? xt_find_match+0x1e8/0x280 [ 942.485151][ T1132] mutex_lock_nested+0x16/0x20 [ 942.489920][ T1132] ? mutex_lock_nested+0x16/0x20 [ 942.495164][ T1132] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 942.501800][ T1132] hashlimit_mt_check+0xa4/0xd0 [ 942.506658][ T1132] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 942.513633][ T1132] xt_check_match+0x280/0x690 [ 942.518319][ T1132] ? xt_check_target+0x690/0x690 [ 942.523553][ T1132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 942.529808][ T1132] ? mutex_unlock+0xd/0x10 [ 942.534522][ T1132] ? xt_find_match+0x73/0x280 [ 942.539214][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.545883][ T1132] find_check_entry.isra.0+0x32f/0x920 [ 942.551631][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 942.556495][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 942.562347][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 942.567396][ T1132] ? kvfree+0x4a/0x60 [ 942.571705][ T1132] translate_table+0xcb4/0x17d0 [ 942.576598][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 942.582390][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.588651][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 942.594057][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 942.598752][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 942.604539][ T1132] ? mutex_unlock+0xd/0x10 [ 942.608963][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 942.615270][ T1132] nf_setsockopt+0x77/0xd0 [ 942.619698][ T1132] ip_setsockopt+0xdf/0x100 [ 942.624521][ T1132] tcp_setsockopt+0x8f/0xe0 [ 942.629041][ T1132] sock_common_setsockopt+0x94/0xd0 [ 942.634579][ T1132] __sys_setsockopt+0x261/0x4c0 [ 942.639445][ T1132] ? sock_create_kern+0x50/0x50 [ 942.644650][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 942.650222][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 942.655992][ T1132] ? do_syscall_64+0x26/0x790 [ 942.660954][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.667051][ T1132] ? do_syscall_64+0x26/0x790 [ 942.672063][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 942.677188][ T1132] do_syscall_64+0xfa/0x790 [ 942.682015][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.687905][ T1132] RIP: 0033:0x441269 [ 942.692115][ T1132] 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 [ 942.712069][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 942.720482][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 942.728892][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 942.737926][ T1132] RBP: 00000000000bf9ae R08: 0000000000000400 R09: 00000000004002c8 [ 942.746413][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 942.754899][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 942.764698][ T1132] INFO: task syz-executor902:9966 blocked for more than 144 seconds. [ 942.773276][ T1132] Not tainted 5.5.0-syzkaller #0 [ 942.778733][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 942.787866][ T1132] syz-executor902 D28080 9966 9951 0x00000004 [ 942.794505][ T1132] Call Trace: [ 942.797812][ T1132] __schedule+0x934/0x1f90 [ 942.802649][ T1132] ? __sched_text_start+0x8/0x8 [ 942.807670][ T1132] ? lock_downgrade+0x920/0x920 [ 942.812962][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 942.817924][ T1132] schedule+0xdc/0x2b0 [ 942.822444][ T1132] schedule_preempt_disabled+0x13/0x20 [ 942.827921][ T1132] __mutex_lock+0x7ab/0x13c0 [ 942.832864][ T1132] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 942.839430][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 942.844624][ T1132] ? find_held_lock+0x35/0x130 [ 942.849415][ T1132] ? xt_find_match+0x1e8/0x280 [ 942.854527][ T1132] mutex_lock_nested+0x16/0x20 [ 942.859401][ T1132] ? mutex_lock_nested+0x16/0x20 [ 942.865210][ T1132] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 942.872037][ T1132] hashlimit_mt_check+0xa4/0xd0 [ 942.876900][ T1132] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 942.883836][ T1132] xt_check_match+0x280/0x690 [ 942.888526][ T1132] ? xt_check_target+0x690/0x690 [ 942.894842][ T1132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 942.901388][ T1132] ? mutex_unlock+0xd/0x10 [ 942.905831][ T1132] ? xt_find_match+0x73/0x280 [ 942.910967][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.917240][ T1132] find_check_entry.isra.0+0x32f/0x920 [ 942.923249][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 942.928138][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 942.933820][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 942.938859][ T1132] ? kvfree+0x4a/0x60 [ 942.943223][ T1132] translate_table+0xcb4/0x17d0 [ 942.948120][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 942.953949][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 942.960196][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 942.965484][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 942.970175][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 942.975995][ T1132] ? mutex_unlock+0xd/0x10 [ 942.980434][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 942.987732][ T1132] nf_setsockopt+0x77/0xd0 [ 942.992490][ T1132] ip_setsockopt+0xdf/0x100 [ 942.997011][ T1132] tcp_setsockopt+0x8f/0xe0 [ 943.001862][ T1132] sock_common_setsockopt+0x94/0xd0 [ 943.007081][ T1132] __sys_setsockopt+0x261/0x4c0 [ 943.012269][ T1132] ? sock_create_kern+0x50/0x50 [ 943.017130][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 943.023111][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 943.028579][ T1132] ? do_syscall_64+0x26/0x790 [ 943.033620][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.039687][ T1132] ? do_syscall_64+0x26/0x790 [ 943.044876][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 943.050006][ T1132] do_syscall_64+0xfa/0x790 [ 943.054837][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.061209][ T1132] RIP: 0033:0x441269 [ 943.065107][ T1132] 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 [ 943.088419][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 943.097153][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 943.105427][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 943.113696][ T1132] RBP: 00000000000bf99b R08: 0000000000000400 R09: 00000000004002c8 [ 943.121938][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 943.129915][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 943.138464][ T1132] INFO: task syz-executor902:9967 blocked for more than 144 seconds. [ 943.146802][ T1132] Not tainted 5.5.0-syzkaller #0 [ 943.152502][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 943.161396][ T1132] syz-executor902 D28080 9967 9945 0x00000004 [ 943.167743][ T1132] Call Trace: [ 943.171353][ T1132] __schedule+0x934/0x1f90 [ 943.175834][ T1132] ? __sched_text_start+0x8/0x8 [ 943.181006][ T1132] ? lock_downgrade+0x920/0x920 [ 943.185862][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 943.191114][ T1132] schedule+0xdc/0x2b0 [ 943.196233][ T1132] schedule_preempt_disabled+0x13/0x20 [ 943.201980][ T1132] __mutex_lock+0x7ab/0x13c0 [ 943.208749][ T1132] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.215568][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 943.220452][ T1132] ? find_held_lock+0x35/0x130 [ 943.225543][ T1132] ? xt_find_match+0x1e8/0x280 [ 943.230426][ T1132] mutex_lock_nested+0x16/0x20 [ 943.235501][ T1132] ? mutex_lock_nested+0x16/0x20 [ 943.240445][ T1132] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.247108][ T1132] hashlimit_mt_check+0xa4/0xd0 [ 943.252244][ T1132] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 943.258837][ T1132] xt_check_match+0x280/0x690 [ 943.264026][ T1132] ? xt_check_target+0x690/0x690 [ 943.268975][ T1132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 943.275748][ T1132] ? mutex_unlock+0xd/0x10 [ 943.280181][ T1132] ? xt_find_match+0x73/0x280 [ 943.285238][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.291869][ T1132] find_check_entry.isra.0+0x32f/0x920 [ 943.297359][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 943.302653][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 943.308050][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 943.313709][ T1132] ? kvfree+0x4a/0x60 [ 943.317728][ T1132] translate_table+0xcb4/0x17d0 [ 943.322967][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 943.328444][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.335071][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 943.340138][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 943.345169][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 943.350957][ T1132] ? mutex_unlock+0xd/0x10 [ 943.355384][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 943.361679][ T1132] nf_setsockopt+0x77/0xd0 [ 943.366108][ T1132] ip_setsockopt+0xdf/0x100 [ 943.370930][ T1132] tcp_setsockopt+0x8f/0xe0 [ 943.381032][ T1132] sock_common_setsockopt+0x94/0xd0 [ 943.386245][ T1132] __sys_setsockopt+0x261/0x4c0 [ 943.391409][ T1132] ? sock_create_kern+0x50/0x50 [ 943.396264][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 943.402122][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 943.407583][ T1132] ? do_syscall_64+0x26/0x790 [ 943.412665][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.418741][ T1132] ? do_syscall_64+0x26/0x790 [ 943.423726][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 943.428849][ T1132] do_syscall_64+0xfa/0x790 [ 943.433659][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.439553][ T1132] RIP: 0033:0x441269 [ 943.443760][ T1132] 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 [ 943.463685][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 943.472373][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 943.480345][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 943.488657][ T1132] RBP: 00000000000bf993 R08: 0000000000000400 R09: 00000000004002c8 [ 943.496924][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 943.505199][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 943.513498][ T1132] INFO: task syz-executor902:9968 blocked for more than 144 seconds. [ 943.521809][ T1132] Not tainted 5.5.0-syzkaller #0 [ 943.527260][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 943.536293][ T1132] syz-executor902 D27968 9968 9948 0x00000004 [ 943.542945][ T1132] Call Trace: [ 943.546253][ T1132] __schedule+0x934/0x1f90 [ 943.550984][ T1132] ? __sched_text_start+0x8/0x8 [ 943.555831][ T1132] ? lock_downgrade+0x920/0x920 [ 943.560988][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 943.565942][ T1132] schedule+0xdc/0x2b0 [ 943.570015][ T1132] schedule_preempt_disabled+0x13/0x20 [ 943.575879][ T1132] __mutex_lock+0x7ab/0x13c0 [ 943.580487][ T1132] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.587296][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 943.592351][ T1132] ? find_held_lock+0x35/0x130 [ 943.597125][ T1132] ? xt_find_match+0x1e8/0x280 [ 943.602195][ T1132] mutex_lock_nested+0x16/0x20 [ 943.606959][ T1132] ? mutex_lock_nested+0x16/0x20 [ 943.612188][ T1132] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.618531][ T1132] hashlimit_mt_check+0xa4/0xd0 [ 943.623673][ T1132] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 943.630264][ T1132] xt_check_match+0x280/0x690 [ 943.635233][ T1132] ? xt_check_target+0x690/0x690 [ 943.640181][ T1132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 943.646934][ T1132] ? mutex_unlock+0xd/0x10 [ 943.651610][ T1132] ? xt_find_match+0x73/0x280 [ 943.656302][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.662931][ T1132] find_check_entry.isra.0+0x32f/0x920 [ 943.668421][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 943.673633][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 943.678950][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 943.684493][ T1132] ? kvfree+0x4a/0x60 [ 943.688500][ T1132] translate_table+0xcb4/0x17d0 [ 943.693703][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 943.699265][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.705840][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 943.711070][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 943.715763][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 943.721560][ T1132] ? mutex_unlock+0xd/0x10 [ 943.725987][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 943.732393][ T1132] nf_setsockopt+0x77/0xd0 [ 943.736819][ T1132] ip_setsockopt+0xdf/0x100 [ 943.741674][ T1132] tcp_setsockopt+0x8f/0xe0 [ 943.746193][ T1132] sock_common_setsockopt+0x94/0xd0 [ 943.751719][ T1132] __sys_setsockopt+0x261/0x4c0 [ 943.756600][ T1132] ? sock_create_kern+0x50/0x50 [ 943.761845][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 943.767545][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 943.773398][ T1132] ? do_syscall_64+0x26/0x790 [ 943.778088][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.784582][ T1132] ? do_syscall_64+0x26/0x790 [ 943.789280][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 943.794711][ T1132] do_syscall_64+0xfa/0x790 [ 943.799230][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.805523][ T1132] RIP: 0033:0x441269 [ 943.809425][ T1132] 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 [ 943.829402][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 943.838116][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 943.846388][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 943.854641][ T1132] RBP: 00000000000bf9af R08: 0000000000000400 R09: 00000000004002c8 [ 943.862969][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 943.871302][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 943.879327][ T1132] INFO: task syz-executor902:9969 blocked for more than 145 seconds. [ 943.887801][ T1132] Not tainted 5.5.0-syzkaller #0 [ 943.893524][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 943.902466][ T1132] syz-executor902 D28080 9969 9949 0x00000004 [ 943.908895][ T1132] Call Trace: [ 943.912544][ T1132] __schedule+0x934/0x1f90 [ 943.916981][ T1132] ? __sched_text_start+0x8/0x8 [ 943.922198][ T1132] ? lock_downgrade+0x920/0x920 [ 943.927058][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 943.932347][ T1132] schedule+0xdc/0x2b0 [ 943.936517][ T1132] schedule_preempt_disabled+0x13/0x20 [ 943.942505][ T1132] __mutex_lock+0x7ab/0x13c0 [ 943.947116][ T1132] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.954085][ T1132] ? mutex_trylock+0x2d0/0x2d0 [ 943.958893][ T1132] ? find_held_lock+0x35/0x130 [ 943.964077][ T1132] ? xt_find_match+0x1e8/0x280 [ 943.968870][ T1132] mutex_lock_nested+0x16/0x20 [ 943.974000][ T1132] ? mutex_lock_nested+0x16/0x20 [ 943.978954][ T1132] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 943.985627][ T1132] hashlimit_mt_check+0xa4/0xd0 [ 943.990486][ T1132] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 943.997395][ T1132] xt_check_match+0x280/0x690 [ 944.002359][ T1132] ? xt_check_target+0x690/0x690 [ 944.007308][ T1132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 944.013906][ T1132] ? mutex_unlock+0xd/0x10 [ 944.018323][ T1132] ? xt_find_match+0x73/0x280 [ 944.023313][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 944.029571][ T1132] find_check_entry.isra.0+0x32f/0x920 [ 944.035444][ T1132] ? ipt_do_table+0x1b80/0x1b80 [ 944.040441][ T1132] ? lockdep_hardirqs_on+0x421/0x5e0 [ 944.046108][ T1132] ? trace_hardirqs_on+0x67/0x240 [ 944.051439][ T1132] ? kvfree+0x4a/0x60 [ 944.055447][ T1132] translate_table+0xcb4/0x17d0 [ 944.060341][ T1132] ? compat_do_ipt_get_ctl+0x910/0x910 [ 944.066243][ T1132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 944.072784][ T1132] ? _copy_from_user+0x12c/0x1a0 [ 944.077744][ T1132] do_ipt_set_ctl+0x2fe/0x4c2 [ 944.082734][ T1132] ? compat_do_ipt_set_ctl+0x170/0x170 [ 944.088237][ T1132] ? mutex_unlock+0xd/0x10 [ 944.092981][ T1132] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 944.098977][ T1132] nf_setsockopt+0x77/0xd0 [ 944.103715][ T1132] ip_setsockopt+0xdf/0x100 [ 944.108228][ T1132] tcp_setsockopt+0x8f/0xe0 [ 944.113043][ T1132] sock_common_setsockopt+0x94/0xd0 [ 944.118255][ T1132] __sys_setsockopt+0x261/0x4c0 [ 944.123400][ T1132] ? sock_create_kern+0x50/0x50 [ 944.128251][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 944.134110][ T1132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 944.139581][ T1132] ? do_syscall_64+0x26/0x790 [ 944.144560][ T1132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.150900][ T1132] ? do_syscall_64+0x26/0x790 [ 944.155594][ T1132] __x64_sys_setsockopt+0xbe/0x150 [ 944.160990][ T1132] do_syscall_64+0xfa/0x790 [ 944.165508][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.171683][ T1132] RIP: 0033:0x441269 [ 944.175581][ T1132] 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 [ 944.195508][ T1132] RSP: 002b:00007ffc2ad609a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 944.204283][ T1132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 944.212548][ T1132] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 944.220803][ T1132] RBP: 00000000000bf9c0 R08: 0000000000000400 R09: 00000000004002c8 [ 944.228774][ T1132] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000401fe0 [ 944.237392][ T1132] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 944.245717][ T1132] [ 944.245717][ T1132] Showing all locks held in the system: [ 944.253725][ T1132] 1 lock held by khungtaskd/1132: [ 944.258742][ T1132] #0: ffffffff89baa840 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 944.268364][ T1132] 3 locks held by kworker/0:47/2797: [ 944.273944][ T1132] 1 lock held by rsyslogd/9829: [ 944.278787][ T1132] #0: ffff88809312cde0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 944.287859][ T1132] 2 locks held by getty/9919: [ 944.292790][ T1132] #0: ffff88809f6ac090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.302010][ T1132] #1: ffffc9000593b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.311906][ T1132] 2 locks held by getty/9920: [ 944.316705][ T1132] #0: ffff8880985ae090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.326025][ T1132] #1: ffffc9000596b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.335859][ T1132] 2 locks held by getty/9921: [ 944.340881][ T1132] #0: ffff888098657090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.349830][ T1132] #1: ffffc9000597b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.359806][ T1132] 2 locks held by getty/9922: [ 944.364744][ T1132] #0: ffff8880a3854090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.374016][ T1132] #1: ffffc9000598b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.383873][ T1132] 2 locks held by getty/9923: [ 944.388806][ T1132] #0: ffff88809aab4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.398065][ T1132] #1: ffffc9000595b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.407918][ T1132] 2 locks held by getty/9924: [ 944.412874][ T1132] #0: ffff88809fa76090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.422127][ T1132] #1: ffffc900058eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.431964][ T1132] 2 locks held by getty/9925: [ 944.436632][ T1132] #0: ffff88809b360090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 944.445921][ T1132] #1: ffffc900058cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 944.455858][ T1132] 1 lock held by syz-executor902/9959: [ 944.461816][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: htable_put+0x21/0x220 [ 944.470428][ T1132] 1 lock held by syz-executor902/9965: [ 944.476256][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 944.487250][ T1132] 1 lock held by syz-executor902/9966: [ 944.492961][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 944.503944][ T1132] 1 lock held by syz-executor902/9967: [ 944.509393][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 944.520410][ T1132] 1 lock held by syz-executor902/9968: [ 944.526135][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 944.537103][ T1132] 1 lock held by syz-executor902/9969: [ 944.542852][ T1132] #0: ffffffff8a7c4da0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 944.553823][ T1132] [ 944.556148][ T1132] ============================================= [ 944.556148][ T1132] [ 944.565576][ T1132] NMI backtrace for cpu 1 [ 944.569916][ T1132] CPU: 1 PID: 1132 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 944.577795][ T1132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.587840][ T1132] Call Trace: [ 944.591218][ T1132] dump_stack+0x197/0x210 [ 944.595559][ T1132] nmi_cpu_backtrace.cold+0x70/0xb2 [ 944.600784][ T1132] ? vprintk_func+0x86/0x189 [ 944.605421][ T1132] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 944.611059][ T1132] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 944.617046][ T1132] arch_trigger_cpumask_backtrace+0x14/0x20 [ 944.622954][ T1132] watchdog+0xb11/0x10c0 [ 944.627224][ T1132] kthread+0x361/0x430 [ 944.631300][ T1132] ? reset_hung_task_detector+0x30/0x30 [ 944.636851][ T1132] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 944.642582][ T1132] ret_from_fork+0x24/0x30 [ 944.647119][ T1132] Sending NMI from CPU 1 to CPUs 0: [ 944.652761][ C0] NMI backtrace for cpu 0 [ 944.652768][ C0] CPU: 0 PID: 2797 Comm: kworker/0:47 Not tainted 5.5.0-syzkaller #0 [ 944.652775][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.652779][ C0] Workqueue: events_power_efficient htable_gc [ 944.652786][ C0] RIP: 0010:trace_softirqs_off+0x1b2/0x360 [ 944.652798][ C0] Code: 8d 60 01 48 b8 00 00 00 00 00 fc ff df 44 89 a3 44 08 00 00 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 67 01 00 00 8b 15 5e 5f 2c 0a <44> 89 a3 78 08 00 00 85 d2 75 10 65 8b 05 b4 0a a7 7e f6 c4 ff 0f [ 944.652802][ C0] RSP: 0018:ffffc9000939fc40 EFLAGS: 00000046 [ 944.652810][ C0] RAX: 0000000000000000 RBX: ffff88809f110380 RCX: 0000000000000001 [ 944.652816][ C0] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffff88809f110bf8 [ 944.652821][ C0] RBP: ffffc9000939fc58 R08: 0000000000000000 R09: 0000000000000001 [ 944.652831][ C0] R10: fffffbfff16a137a R11: ffffffff8b509bd7 R12: 0000000037bfcfa2 [ 944.652837][ C0] R13: ffff88809f110380 R14: ffffc9000c689000 R15: 0000000000000000 [ 944.652843][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 944.652847][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 944.652853][ C0] CR2: 00000000004bfb48 CR3: 000000009863d000 CR4: 00000000001406f0 [ 944.652858][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 944.652864][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 944.652866][ C0] Call Trace: [ 944.652870][ C0] ? htable_selective_cleanup+0xa1/0x340 [ 944.652874][ C0] __local_bh_disable_ip+0xf7/0x1b0 [ 944.652878][ C0] _raw_spin_lock_bh+0x17/0x50 [ 944.652881][ C0] htable_selective_cleanup+0xa1/0x340 [ 944.652886][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 944.652889][ C0] ? trace_hardirqs_on+0x67/0x240 [ 944.652892][ C0] htable_gc+0x21/0xb0 [ 944.652896][ C0] process_one_work+0xa05/0x17a0 [ 944.652899][ C0] ? mark_held_locks+0xf0/0xf0 [ 944.652903][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 944.652907][ C0] ? lock_acquire+0x190/0x410 [ 944.652910][ C0] worker_thread+0x98/0xe40 [ 944.652913][ C0] kthread+0x361/0x430 [ 944.652916][ C0] ? process_one_work+0x17a0/0x17a0 [ 944.652920][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 944.652928][ C0] ret_from_fork+0x24/0x30 [ 944.654967][ T1132] Kernel panic - not syncing: hung_task: blocked tasks [ 944.882148][ T1132] CPU: 1 PID: 1132 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 944.890042][ T1132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.900301][ T1132] Call Trace: [ 944.903620][ T1132] dump_stack+0x197/0x210 [ 944.907961][ T1132] panic+0x2e3/0x75c [ 944.911857][ T1132] ? add_taint.cold+0x16/0x16 [ 944.916545][ T1132] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 944.922199][ T1132] ? ___preempt_schedule+0x16/0x18 [ 944.927326][ T1132] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 944.933619][ T1132] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 944.939781][ T1132] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 944.945942][ T1132] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 944.952111][ T1132] watchdog+0xb22/0x10c0 [ 944.956381][ T1132] kthread+0x361/0x430 [ 944.960454][ T1132] ? reset_hung_task_detector+0x30/0x30 [ 944.966001][ T1132] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 944.971731][ T1132] ret_from_fork+0x24/0x30 [ 944.977827][ T1132] Kernel Offset: disabled [ 944.982207][ T1132] Rebooting in 86400 seconds..