[ 109.531535][ T26] audit: type=1800 audit(1580691250.428:36): pid=10427 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0
Starting mcstransd:
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 110.282299][ T26] audit: type=1400 audit(1580691251.278:37): avc: denied { watch } for pid=10514 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
syzkaller login: [ 830.463132][ T26] kauditd_printk_skb: 4 callbacks suppressed
[ 830.463149][ T26] audit: type=1400 audit(1580691971.458:42): avc: denied { map } for pid=10617 comm="syz-executor336" path="/root/syz-executor336346030" dev="sda1" ino=2339 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 837.801968][T10624] No such timeout policy "syz0"
[ 837.803318][T10625] No such timeout policy "syz0"
[ 837.809288][T10627] No such timeout policy "syz0"
[ 837.819059][T10628] No such timeout policy "syz0"
[ 837.821056][T10631] No such timeout policy "syz0"
[ 837.831419][T10632] No such timeout policy "syz0"
[ 837.836028][T10629] No such timeout policy "syz0"
[ 837.931124][ C1] hrtimer: interrupt took 441034 ns
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[ 984.205989][ T1109] INFO: task syz-executor336:10630 blocked for more than 143 seconds.
[ 984.214283][ T1109] Not tainted 5.5.0-syzkaller #0
[ 984.220918][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.230000][ T1109] syz-executor336 D28072 10630 10622 0x00000004
[ 984.242153][ T1109] Call Trace:
[ 984.245638][ T1109] __schedule+0x934/0x1f90
[ 984.250809][ T1109] ? __sched_text_start+0x8/0x8
[ 984.256220][ T1109] ? lock_downgrade+0x920/0x920
[ 984.261111][ T1109] ? rwlock_bug.part.0+0x90/0x90
[ 984.266707][ T1109] schedule+0xdc/0x2b0
[ 984.270812][ T1109] schedule_preempt_disabled+0x13/0x20
[ 984.276884][ T1109] __mutex_lock+0x7ab/0x13c0
[ 984.281586][ T1109] ? hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 984.288631][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 984.293513][ T1109] ? find_held_lock+0x35/0x130
[ 984.299123][ T1109] ? xt_find_match+0x1e8/0x280
[ 984.303952][ T1109] mutex_lock_nested+0x16/0x20
[ 984.310330][ T1109] ? mutex_lock_nested+0x16/0x20
[ 984.315321][ T1109] hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 984.322306][ T1109] hashlimit_mt_check+0xa4/0xd0
[ 984.327670][ T1109] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500
[ 984.334295][ T1109] xt_check_match+0x280/0x690
[ 984.339558][ T1109] ? xt_check_target+0x690/0x690
[ 984.344612][ T1109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 984.351402][ T1109] ? mutex_unlock+0xd/0x10
[ 984.356347][ T1109] ? xt_find_match+0x73/0x280
[ 984.361082][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 984.367933][ T1109] find_check_entry.isra.0+0x32f/0x920
[ 984.373447][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 984.378868][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 984.384241][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 984.390036][ T1109] ? kvfree+0x4a/0x60
[ 984.394070][ T1109] translate_table+0xcb4/0x17d0
[ 984.399518][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 984.405012][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 984.412298][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 984.417799][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 984.422716][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 984.428702][ T1109] ? mutex_unlock+0xd/0x10
[ 984.433214][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 984.440784][ T1109] nf_setsockopt+0x77/0xd0
[ 984.445238][ T1109] ip_setsockopt+0xdf/0x100
[ 984.450261][ T1109] tcp_setsockopt+0x8f/0xe0
[ 984.454895][ T1109] sock_common_setsockopt+0x94/0xd0
[ 984.460917][ T1109] __sys_setsockopt+0x261/0x4c0
[ 984.466188][ T1109] ? sock_create_kern+0x50/0x50
[ 984.471123][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 984.477281][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 984.482816][ T1109] ? do_syscall_64+0x26/0x790
[ 984.488037][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 984.494139][ T1109] ? do_syscall_64+0x26/0x790
[ 984.499635][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 984.504822][ T1109] do_syscall_64+0xfa/0x790
[ 984.510028][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 984.516408][ T1109] RIP: 0033:0x441619
[ 984.520338][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 984.540507][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 984.549415][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 984.557866][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 984.567355][ T1109] RBP: 00000000000cabe3 R08: 0000000000000400 R09: 0000000000402420
[ 984.575395][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 984.583933][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 984.592495][ T1109] INFO: task syz-executor336:10631 blocked for more than 143 seconds.
[ 984.601481][ T1109] Not tainted 5.5.0-syzkaller #0
[ 984.607453][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.616620][ T1109] syz-executor336 D28072 10631 10623 0x00004004
[ 984.622988][ T1109] Call Trace:
[ 984.626887][ T1109] __schedule+0x934/0x1f90
[ 984.631346][ T1109] ? __sched_text_start+0x8/0x8
[ 984.636695][ T1109] ? __lock_acquire+0x29c9/0x4a00
[ 984.641880][ T1109] schedule+0xdc/0x2b0
[ 984.647155][ T1109] schedule_timeout+0x717/0xc50
[ 984.652104][ T1109] ? __kasan_check_read+0x11/0x20
[ 984.657853][ T1109] ? usleep_range+0x170/0x170
[ 984.662585][ T1109] ? mark_held_locks+0xa4/0xf0
[ 984.667882][ T1109] ? _raw_spin_unlock_irq+0x23/0x80
[ 984.673130][ T1109] ? wait_for_completion+0x294/0x440
[ 984.679216][ T1109] ? _raw_spin_unlock_irq+0x23/0x80
[ 984.684561][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 984.690449][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 984.695520][ T1109] wait_for_completion+0x29c/0x440
[ 984.702218][ T1109] ? wait_for_completion_interruptible+0x470/0x470
[ 984.709413][ T1109] ? wake_up_q+0x140/0x140
[ 984.714062][ T1109] ? __rcu_read_unlock+0x26e/0x700
[ 984.720024][ T1109] __flush_work+0x4fe/0xa50
[ 984.724735][ T1109] ? queue_delayed_work_on+0x210/0x210
[ 984.730950][ T1109] ? init_pwq+0x360/0x360
[ 984.735340][ T1109] ? __cancel_work_timer+0xc4/0x540
[ 984.741103][ T1109] ? __cancel_work_timer+0x1e0/0x540
[ 984.746887][ T1109] ? cancel_delayed_work_sync+0x1b/0x20
[ 984.752458][ T1109] ? __cancel_work_timer+0x1e0/0x540
[ 984.758323][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 984.763638][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 984.769310][ T1109] __cancel_work_timer+0x3d9/0x540
[ 984.774454][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 984.779911][ T1109] ? mod_delayed_work_on+0x200/0x200
[ 984.785238][ T1109] ? __kasan_check_write+0x14/0x20
[ 984.790981][ T1109] ? xt_ct_tg_check_v1+0x7c/0xa0
[ 984.796362][ T1109] ? xt_ct_tg_check_v2+0xa0/0xa0
[ 984.801332][ T1109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 984.808259][ T1109] cancel_delayed_work_sync+0x1b/0x20
[ 984.813685][ T1109] htable_put+0x15f/0x220
[ 984.818523][ T1109] ? htable_put+0x220/0x220
[ 984.823052][ T1109] hashlimit_mt_destroy+0x56/0x70
[ 984.829775][ T1109] cleanup_match+0xde/0x170
[ 984.834316][ T1109] ? icmp_checkentry+0xa0/0xa0
[ 984.839656][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 984.846459][ T1109] find_check_entry.isra.0+0x454/0x920
[ 984.851976][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 984.857432][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 984.862751][ T1109] ? kvfree+0x4a/0x60
[ 984.867354][ T1109] translate_table+0xcb4/0x17d0
[ 984.872284][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 984.879229][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 984.885515][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 984.890999][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 984.896252][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 984.901759][ T1109] ? mutex_unlock+0xd/0x10
[ 984.906692][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 984.912811][ T1109] nf_setsockopt+0x77/0xd0
[ 984.917758][ T1109] ip_setsockopt+0xdf/0x100
[ 984.922569][ T1109] tcp_setsockopt+0x8f/0xe0
[ 984.928030][ T1109] sock_common_setsockopt+0x94/0xd0
[ 984.933270][ T1109] __sys_setsockopt+0x261/0x4c0
[ 984.938748][ T1109] ? sock_create_kern+0x50/0x50
[ 984.943648][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 984.949748][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 984.955316][ T1109] ? do_syscall_64+0x26/0x790
[ 984.961677][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 984.968361][ T1109] ? do_syscall_64+0x26/0x790
[ 984.973260][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 984.979084][ T1109] do_syscall_64+0xfa/0x790
[ 984.983658][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 984.990082][ T1109] RIP: 0033:0x441619
[ 984.994003][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 985.014735][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 985.023642][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 985.032126][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 985.040713][ T1109] RBP: 00000000000cabe1 R08: 0000000000000400 R09: 0000000000402420
[ 985.049196][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 985.057657][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 985.066166][ T1109] INFO: task syz-executor336:10633 blocked for more than 144 seconds.
[ 985.074349][ T1109] Not tainted 5.5.0-syzkaller #0
[ 985.080397][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 985.090660][ T1109] syz-executor336 D28072 10633 10620 0x00004004
[ 985.097492][ T1109] Call Trace:
[ 985.100853][ T1109] __schedule+0x934/0x1f90
[ 985.105306][ T1109] ? __sched_text_start+0x8/0x8
[ 985.110799][ T1109] ? lock_downgrade+0x920/0x920
[ 985.116096][ T1109] ? rwlock_bug.part.0+0x90/0x90
[ 985.121177][ T1109] schedule+0xdc/0x2b0
[ 985.125276][ T1109] schedule_preempt_disabled+0x13/0x20
[ 985.131299][ T1109] __mutex_lock+0x7ab/0x13c0
[ 985.136570][ T1109] ? hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.143115][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 985.148439][ T1109] ? find_held_lock+0x35/0x130
[ 985.153350][ T1109] ? xt_find_match+0x1e8/0x280
[ 985.158717][ T1109] mutex_lock_nested+0x16/0x20
[ 985.163509][ T1109] ? mutex_lock_nested+0x16/0x20
[ 985.169045][ T1109] hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.175429][ T1109] hashlimit_mt_check+0xa4/0xd0
[ 985.180878][ T1109] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500
[ 985.188459][ T1109] xt_check_match+0x280/0x690
[ 985.193180][ T1109] ? xt_check_target+0x690/0x690
[ 985.198830][ T1109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 985.205127][ T1109] ? mutex_unlock+0xd/0x10
[ 985.210196][ T1109] ? xt_find_match+0x73/0x280
[ 985.214921][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 985.222695][ T1109] find_check_entry.isra.0+0x32f/0x920
[ 985.228745][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 985.233632][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 985.239650][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 985.244735][ T1109] ? kvfree+0x4a/0x60
[ 985.249483][ T1109] translate_table+0xcb4/0x17d0
[ 985.254513][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 985.260481][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 985.267082][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 985.272153][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 985.277319][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 985.282847][ T1109] ? mutex_unlock+0xd/0x10
[ 985.287779][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 985.293789][ T1109] nf_setsockopt+0x77/0xd0
[ 985.298977][ T1109] ip_setsockopt+0xdf/0x100
[ 985.303516][ T1109] tcp_setsockopt+0x8f/0xe0
[ 985.308547][ T1109] sock_common_setsockopt+0x94/0xd0
[ 985.313788][ T1109] __sys_setsockopt+0x261/0x4c0
[ 985.319319][ T1109] ? sock_create_kern+0x50/0x50
[ 985.324338][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 985.330456][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 985.336423][ T1109] ? do_syscall_64+0x26/0x790
[ 985.341142][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 985.349140][ T1109] ? do_syscall_64+0x26/0x790
[ 985.353938][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 985.359677][ T1109] do_syscall_64+0xfa/0x790
[ 985.364238][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 985.370849][ T1109] RIP: 0033:0x441619
[ 985.374767][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 985.395048][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 985.404038][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 985.413271][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 985.422897][ T1109] RBP: 00000000000cabff R08: 0000000000000400 R09: 0000000000402420
[ 985.431435][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 985.439920][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 985.448462][ T1109] INFO: task syz-executor336:10634 blocked for more than 144 seconds.
[ 985.457377][ T1109] Not tainted 5.5.0-syzkaller #0
[ 985.462868][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 985.472166][ T1109] syz-executor336 D28072 10634 10621 0x00004004
[ 985.480118][ T1109] Call Trace:
[ 985.483502][ T1109] __schedule+0x934/0x1f90
[ 985.488438][ T1109] ? __sched_text_start+0x8/0x8
[ 985.493427][ T1109] ? lock_downgrade+0x920/0x920
[ 985.498813][ T1109] ? rwlock_bug.part.0+0x90/0x90
[ 985.503788][ T1109] schedule+0xdc/0x2b0
[ 985.508639][ T1109] schedule_preempt_disabled+0x13/0x20
[ 985.514158][ T1109] __mutex_lock+0x7ab/0x13c0
[ 985.519259][ T1109] ? hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.526263][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 985.531071][ T1109] ? find_held_lock+0x35/0x130
[ 985.536301][ T1109] ? xt_find_match+0x1e8/0x280
[ 985.541099][ T1109] mutex_lock_nested+0x16/0x20
[ 985.546385][ T1109] ? mutex_lock_nested+0x16/0x20
[ 985.551350][ T1109] hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.558383][ T1109] hashlimit_mt_check+0xa4/0xd0
[ 985.563278][ T1109] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500
[ 985.570519][ T1109] xt_check_match+0x280/0x690
[ 985.575247][ T1109] ? xt_check_target+0x690/0x690
[ 985.580733][ T1109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 985.587560][ T1109] ? mutex_unlock+0xd/0x10
[ 985.591992][ T1109] ? xt_find_match+0x73/0x280
[ 985.597163][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 985.603437][ T1109] find_check_entry.isra.0+0x32f/0x920
[ 985.610607][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 985.615513][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 985.621428][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 985.626930][ T1109] ? kvfree+0x4a/0x60
[ 985.630943][ T1109] translate_table+0xcb4/0x17d0
[ 985.636292][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 985.641785][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 985.648577][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 985.653561][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 985.658763][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 985.664280][ T1109] ? mutex_unlock+0xd/0x10
[ 985.669257][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 985.675273][ T1109] nf_setsockopt+0x77/0xd0
[ 985.680192][ T1109] ip_setsockopt+0xdf/0x100
[ 985.684732][ T1109] tcp_setsockopt+0x8f/0xe0
[ 985.689786][ T1109] sock_common_setsockopt+0x94/0xd0
[ 985.695028][ T1109] __sys_setsockopt+0x261/0x4c0
[ 985.700539][ T1109] ? sock_create_kern+0x50/0x50
[ 985.705438][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 985.711703][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 985.717645][ T1109] ? do_syscall_64+0x26/0x790
[ 985.722353][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 985.729149][ T1109] ? do_syscall_64+0x26/0x790
[ 985.733889][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 985.740507][ T1109] do_syscall_64+0xfa/0x790
[ 985.745052][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 985.751608][ T1109] RIP: 0033:0x441619
[ 985.755541][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 985.776058][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 985.784587][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 985.793234][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 985.801846][ T1109] RBP: 00000000000cac00 R08: 0000000000000400 R09: 0000000000402420
[ 985.810408][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 985.818904][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 985.828460][ T1109] INFO: task syz-executor336:10635 blocked for more than 144 seconds.
[ 985.837045][ T1109] Not tainted 5.5.0-syzkaller #0
[ 985.842526][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 985.851865][ T1109] syz-executor336 D28072 10635 10619 0x00000004
[ 985.858715][ T1109] Call Trace:
[ 985.862030][ T1109] __schedule+0x934/0x1f90
[ 985.868012][ T1109] ? __sched_text_start+0x8/0x8
[ 985.872924][ T1109] ? lock_downgrade+0x920/0x920
[ 985.879451][ T1109] ? rwlock_bug.part.0+0x90/0x90
[ 985.884900][ T1109] schedule+0xdc/0x2b0
[ 985.889681][ T1109] schedule_preempt_disabled+0x13/0x20
[ 985.895179][ T1109] __mutex_lock+0x7ab/0x13c0
[ 985.900282][ T1109] ? hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.907384][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 985.912315][ T1109] ? find_held_lock+0x35/0x130
[ 985.917631][ T1109] ? xt_find_match+0x1e8/0x280
[ 985.922450][ T1109] mutex_lock_nested+0x16/0x20
[ 985.927793][ T1109] ? mutex_lock_nested+0x16/0x20
[ 985.932901][ T1109] hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 985.939896][ T1109] hashlimit_mt_check+0xa4/0xd0
[ 985.944781][ T1109] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500
[ 985.951921][ T1109] xt_check_match+0x280/0x690
[ 985.957093][ T1109] ? xt_check_target+0x690/0x690
[ 985.962087][ T1109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 985.968912][ T1109] ? mutex_unlock+0xd/0x10
[ 985.973372][ T1109] ? xt_find_match+0x73/0x280
[ 985.978992][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 985.985278][ T1109] find_check_entry.isra.0+0x32f/0x920
[ 985.991485][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 985.997845][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 986.003175][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 986.008852][ T1109] ? kvfree+0x4a/0x60
[ 986.012887][ T1109] translate_table+0xcb4/0x17d0
[ 986.018293][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 986.023916][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 986.030890][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 986.036291][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 986.041012][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 986.047211][ T1109] ? mutex_unlock+0xd/0x10
[ 986.051668][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 986.058195][ T1109] nf_setsockopt+0x77/0xd0
[ 986.062657][ T1109] ip_setsockopt+0xdf/0x100
[ 986.067739][ T1109] tcp_setsockopt+0x8f/0xe0
[ 986.072286][ T1109] sock_common_setsockopt+0x94/0xd0
[ 986.078066][ T1109] __sys_setsockopt+0x261/0x4c0
[ 986.082976][ T1109] ? sock_create_kern+0x50/0x50
[ 986.088412][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 986.094032][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 986.100064][ T1109] ? do_syscall_64+0x26/0x790
[ 986.104795][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 986.111506][ T1109] ? do_syscall_64+0x26/0x790
[ 986.116679][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 986.121946][ T1109] do_syscall_64+0xfa/0x790
[ 986.128038][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 986.133972][ T1109] RIP: 0033:0x441619
[ 986.138569][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 986.158845][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 986.167839][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 986.176318][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 986.184326][ T1109] RBP: 00000000000cabfe R08: 0000000000000400 R09: 0000000000402420
[ 986.193169][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 986.201733][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 986.210462][ T1109] INFO: task syz-executor336:10636 blocked for more than 145 seconds.
[ 986.219148][ T1109] Not tainted 5.5.0-syzkaller #0
[ 986.224621][ T1109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 986.234066][ T1109] syz-executor336 D28072 10636 10618 0x00000004
[ 986.241181][ T1109] Call Trace:
[ 986.244514][ T1109] __schedule+0x934/0x1f90
[ 986.252204][ T1109] ? __sched_text_start+0x8/0x8
[ 986.258389][ T1109] ? lock_downgrade+0x920/0x920
[ 986.263258][ T1109] ? rwlock_bug.part.0+0x90/0x90
[ 986.268572][ T1109] schedule+0xdc/0x2b0
[ 986.272675][ T1109] schedule_preempt_disabled+0x13/0x20
[ 986.278532][ T1109] __mutex_lock+0x7ab/0x13c0
[ 986.283138][ T1109] ? hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.290335][ T1109] ? mutex_trylock+0x2d0/0x2d0
[ 986.295175][ T1109] ? find_held_lock+0x35/0x130
[ 986.300523][ T1109] ? xt_find_match+0x1e8/0x280
[ 986.305343][ T1109] mutex_lock_nested+0x16/0x20
[ 986.310664][ T1109] ? mutex_lock_nested+0x16/0x20
[ 986.315626][ T1109] hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.322420][ T1109] hashlimit_mt_check+0xa4/0xd0
[ 986.327577][ T1109] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500
[ 986.334752][ T1109] xt_check_match+0x280/0x690
[ 986.340005][ T1109] ? xt_check_target+0x690/0x690
[ 986.344971][ T1109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 986.351647][ T1109] ? mutex_unlock+0xd/0x10
[ 986.356461][ T1109] ? xt_find_match+0x73/0x280
[ 986.361264][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 986.367955][ T1109] find_check_entry.isra.0+0x32f/0x920
[ 986.373506][ T1109] ? ipt_do_table+0x1b80/0x1b80
[ 986.379293][ T1109] ? lockdep_hardirqs_on+0x421/0x5e0
[ 986.385520][ T1109] ? trace_hardirqs_on+0x67/0x240
[ 986.392069][ T1109] ? kvfree+0x4a/0x60
[ 986.396639][ T1109] translate_table+0xcb4/0x17d0
[ 986.401539][ T1109] ? compat_do_ipt_get_ctl+0x910/0x910
[ 986.407420][ T1109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 986.413775][ T1109] ? _copy_from_user+0x12c/0x1a0
[ 986.419284][ T1109] do_ipt_set_ctl+0x2fe/0x4c2
[ 986.424107][ T1109] ? compat_do_ipt_set_ctl+0x170/0x170
[ 986.430388][ T1109] ? mutex_unlock+0xd/0x10
[ 986.434847][ T1109] ? nf_sockopt_find.constprop.0+0x226/0x290
[ 986.441450][ T1109] nf_setsockopt+0x77/0xd0
[ 986.446378][ T1109] ip_setsockopt+0xdf/0x100
[ 986.451061][ T1109] tcp_setsockopt+0x8f/0xe0
[ 986.455599][ T1109] sock_common_setsockopt+0x94/0xd0
[ 986.461412][ T1109] __sys_setsockopt+0x261/0x4c0
[ 986.466727][ T1109] ? sock_create_kern+0x50/0x50
[ 986.471604][ T1109] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 986.477741][ T1109] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 986.483247][ T1109] ? do_syscall_64+0x26/0x790
[ 986.488467][ T1109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 986.494564][ T1109] ? do_syscall_64+0x26/0x790
[ 986.500056][ T1109] __x64_sys_setsockopt+0xbe/0x150
[ 986.505226][ T1109] do_syscall_64+0xfa/0x790
[ 986.510294][ T1109] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 986.517814][ T1109] RIP: 0033:0x441619
[ 986.521751][ T1109] Code: 28 64 65 62 75 67 20 62 75 69 6c 64 2c 20 73 6c 6f 77 20 63 6f 64 65 29 3a 09 4e 6f 00 00 00 00 00 09 33 32 62 69 74 20 41 74 <6f> 6d 69 63 20 6f 70 65 72 61 74 69 6f 6e 73 20 73 75 70 70 6f 72
[ 986.542110][ T1109] RSP: 002b:00007fff7c2749d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 986.551435][ T1109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441619
[ 986.559954][ T1109] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003
[ 986.568555][ T1109] RBP: 00000000000cc891 R08: 0000000000000400 R09: 0000000000402420
[ 986.577052][ T1109] R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000402390
[ 986.585054][ T1109] R13: 0000000000402420 R14: 0000000000000000 R15: 0000000000000000
[ 986.593688][ T1109]
[ 986.593688][ T1109] Showing all locks held in the system:
[ 986.602191][ T1109] 1 lock held by khungtaskd/1109:
[ 986.607928][ T1109] #0: ffffffff89baa840 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279
[ 986.617809][ T1109] 2 locks held by kworker/0:113/2998:
[ 986.623244][ T1109] 1 lock held by rsyslogd/10466:
[ 986.628735][ T1109] #0: ffff8880949dd8a0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110
[ 986.637944][ T1109] 2 locks held by getty/10587:
[ 986.642717][ T1109] #0: ffff88809f469090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.653057][ T1109] #1: ffffc900018fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.663111][ T1109] 2 locks held by getty/10588:
[ 986.668178][ T1109] #0: ffff8880955d8090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.677470][ T1109] #1: ffffc9000192b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.687369][ T1109] 2 locks held by getty/10589:
[ 986.692124][ T1109] #0: ffff888088688090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.701922][ T1109] #1: ffffc900018bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.712054][ T1109] 2 locks held by getty/10590:
[ 986.717161][ T1109] #0: ffff88809df9c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.726746][ T1109] #1: ffffc900018cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.736966][ T1109] 2 locks held by getty/10591:
[ 986.741739][ T1109] #0: ffff8880955d9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.751135][ T1109] #1: ffffc9000193b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.761094][ T1109] 2 locks held by getty/10592:
[ 986.766331][ T1109] #0: ffff88809001f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.775295][ T1109] #1: ffffc9000191b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.786639][ T1109] 2 locks held by getty/10593:
[ 986.791404][ T1109] #0: ffff8880887c9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[ 986.800801][ T1109] #1: ffffc9000187b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0
[ 986.810741][ T1109] 1 lock held by syz-executor336/10630:
[ 986.816793][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.827928][ T1109] 1 lock held by syz-executor336/10631:
[ 986.833473][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: htable_put+0x21/0x220
[ 986.842498][ T1109] 1 lock held by syz-executor336/10633:
[ 986.848390][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.859483][ T1109] 1 lock held by syz-executor336/10634:
[ 986.865031][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.876158][ T1109] 1 lock held by syz-executor336/10635:
[ 986.881697][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.892786][ T1109] 1 lock held by syz-executor336/10636:
[ 986.898693][ T1109] #0: ffffffff8a7c47e0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500
[ 986.909776][ T1109]
[ 986.912109][ T1109] =============================================
[ 986.912109][ T1109]
[ 986.922110][ T1109] NMI backtrace for cpu 1
[ 986.926533][ T1109] CPU: 1 PID: 1109 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0
[ 986.934533][ T1109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 986.944623][ T1109] Call Trace:
[ 986.948026][ T1109] dump_stack+0x197/0x210
[ 986.952401][ T1109] nmi_cpu_backtrace.cold+0x70/0xb2
[ 986.957708][ T1109] ? vprintk_func+0x86/0x189
[ 986.962415][ T1109] ? lapic_can_unplug_cpu.cold+0x3a/0x3a
[ 986.968093][ T1109] nmi_trigger_cpumask_backtrace+0x23b/0x28b
[ 986.974126][ T1109] arch_trigger_cpumask_backtrace+0x14/0x20
[ 986.980192][ T1109] watchdog+0xb11/0x10c0
[ 986.984470][ T1109] kthread+0x361/0x430
[ 986.988546][ T1109] ? reset_hung_task_detector+0x30/0x30
[ 986.994117][ T1109] ? kthread_mod_delayed_work+0x1f0/0x1f0
[ 986.999954][ T1109] ret_from_fork+0x24/0x30
[ 987.004563][ T1109] Sending NMI from CPU 1 to CPUs 0:
[ 987.010362][ C0] NMI backtrace for cpu 0
[ 987.010369][ C0] CPU: 0 PID: 2998 Comm: kworker/0:113 Not tainted 5.5.0-syzkaller #0
[ 987.010376][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 987.010380][ C0] Workqueue: events_power_efficient htable_gc
[ 987.010388][ C0] RIP: 0010:lock_is_held_type+0x125/0x320
[ 987.010401][ C0] Code: c0 03 38 d0 7c 08 84 d2 0f 85 ae 01 00 00 65 48 8b 1c 25 c0 1e 02 00 48 8d 83 90 08 00 00 41 c7 84 24 94 08 00 00 01 00 00 00 <48> 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f
[ 987.010405][ C0] RSP: 0018:ffffc9000957fc18 EFLAGS: 00000046
[ 987.010413][ C0] RAX: ffff88809e59ead0 RBX: ffff88809e59e240 RCX: 1ffffffff1549d76
[ 987.010418][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff88809e59ead4
[ 987.010424][ C0] RBP: ffffc9000957fc60 R08: 1ffffffff16a137a R09: fffffbfff16a137b
[ 987.010429][ C0] R10: fffffbfff16a137a R11: ffffffff8b509bd7 R12: ffff88809e59e240
[ 987.010435][ C0] R13: 0000000000000176 R14: ffffffff89baa800 R15: 0000000000000000
[ 987.010441][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 987.010446][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 987.010452][ C0] CR2: 00007faa136c06b0 CR3: 000000009edcd000 CR4: 00000000001406f0
[ 987.010459][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 987.010464][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 987.010467][ C0] Call Trace:
[ 987.010470][ C0] ___might_sleep+0x242/0x2c0
[ 987.010474][ C0] htable_selective_cleanup+0x245/0x340
[ 987.010478][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 987.010482][ C0] ? trace_hardirqs_on+0x67/0x240
[ 987.010485][ C0] htable_gc+0x21/0xb0
[ 987.010489][ C0] process_one_work+0xa05/0x17a0
[ 987.010492][ C0] ? mark_held_locks+0xf0/0xf0
[ 987.010496][ C0] ? pwq_dec_nr_in_flight+0x320/0x320
[ 987.010500][ C0] ? lock_acquire+0x190/0x410
[ 987.010503][ C0] worker_thread+0x98/0xe40
[ 987.010507][ C0] ? trace_hardirqs_on+0x67/0x240
[ 987.010534][ C0] kthread+0x361/0x430
[ 987.010538][ C0] ? process_one_work+0x17a0/0x17a0
[ 987.010543][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0
[ 987.010546][ C0] ret_from_fork+0x24/0x30
[ 987.013363][ T1109] Kernel panic - not syncing: hung_task: blocked tasks
[ 987.234439][ T1109] CPU: 1 PID: 1109 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0
[ 987.242332][ T1109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 987.253109][ T1109] Call Trace:
[ 987.256433][ T1109] dump_stack+0x197/0x210
[ 987.260852][ T1109] panic+0x2e3/0x75c
[ 987.264770][ T1109] ? add_taint.cold+0x16/0x16
[ 987.269471][ T1109] ? lapic_can_unplug_cpu.cold+0x3a/0x3a
[ 987.275134][ T1109] ? ___preempt_schedule+0x16/0x18
[ 987.280270][ T1109] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b
[ 987.286444][ T1109] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b
[ 987.292619][ T1109] ? nmi_trigger_cpumask_backtrace+0x256/0x28b
[ 987.299751][ T1109] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b
[ 987.306205][ T1109] watchdog+0xb22/0x10c0
[ 987.310490][ T1109] kthread+0x361/0x430
[ 987.314572][ T1109] ? reset_hung_task_detector+0x30/0x30
[ 987.320242][ T1109] ? kthread_mod_delayed_work+0x1f0/0x1f0
[ 987.325991][ T1109] ret_from_fork+0x24/0x30
[ 987.332269][ T1109] Kernel Offset: disabled
[ 987.336782][ T1109] Rebooting in 86400 seconds..