Warning: Permanently added '10.128.0.113' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 1073.781145][ T1119] INFO: task syz-executor790:10089 blocked for more than 143 seconds. [ 1073.789676][ T1119] Not tainted 5.5.0-rc7-syzkaller #0 [ 1073.796859][ T1119] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1073.806170][ T1119] syz-executor790 D28264 10089 10085 0x00000004 [ 1073.818868][ T1119] Call Trace: [ 1073.822777][ T1119] __schedule+0x934/0x1f90 [ 1073.827229][ T1119] ? __sched_text_start+0x8/0x8 [ 1073.833574][ T1119] ? lock_downgrade+0x920/0x920 [ 1073.838516][ T1119] ? rwlock_bug.part.0+0x90/0x90 [ 1073.844125][ T1119] schedule+0xdc/0x2b0 [ 1073.848233][ T1119] schedule_preempt_disabled+0x13/0x20 [ 1073.854219][ T1119] __mutex_lock+0x7ab/0x13c0 [ 1073.858901][ T1119] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1073.865958][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1073.870802][ T1119] ? pcpu_next_md_free_region+0x176/0x350 [ 1073.876952][ T1119] ? pcpu_alloc+0x100c/0x1380 [ 1073.882216][ T1119] ? mark_held_locks+0xf0/0xf0 [ 1073.887004][ T1119] ? __mutex_lock+0x458/0x13c0 [ 1073.892225][ T1119] mutex_lock_nested+0x16/0x20 [ 1073.897010][ T1119] ? mutex_lock_nested+0x16/0x20 [ 1073.902486][ T1119] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1073.908851][ T1119] hashlimit_mt_check_v1+0x325/0x3ab [ 1073.914629][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1073.920234][ T1119] ? lock_downgrade+0x920/0x920 [ 1073.925782][ T1119] ? xt_find_match+0xa6/0x280 [ 1073.930615][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1073.935850][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1073.941759][ T1119] xt_check_match+0x280/0x690 [ 1073.946459][ T1119] ? xt_check_target+0x690/0x690 [ 1073.951813][ T1119] ? pcpu_alloc_area+0x820/0x820 [ 1073.956777][ T1119] ? mutex_unlock+0xd/0x10 [ 1073.962760][ T1119] ? xt_find_match+0x73/0x280 [ 1073.967640][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.974422][ T1119] find_check_entry.isra.0+0x32f/0x920 [ 1073.979962][ T1119] ? ipt_do_table+0x1b80/0x1b80 [ 1073.985323][ T1119] ? lockdep_hardirqs_on+0x421/0x5e0 [ 1073.990660][ T1119] ? trace_hardirqs_on+0x67/0x240 [ 1073.996179][ T1119] ? kvfree+0x61/0x70 [ 1074.000186][ T1119] translate_table+0xcb4/0x17d0 [ 1074.005539][ T1119] ? compat_do_ipt_get_ctl+0x910/0x910 [ 1074.011387][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.017704][ T1119] ? _copy_from_user+0x12c/0x1a0 [ 1074.023432][ T1119] do_ipt_set_ctl+0x2fe/0x4c2 [ 1074.028122][ T1119] ? compat_do_ipt_set_ctl+0x170/0x170 [ 1074.034014][ T1119] ? mutex_unlock+0xd/0x10 [ 1074.038508][ T1119] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 1074.045065][ T1119] nf_setsockopt+0x77/0xd0 [ 1074.049578][ T1119] ip_setsockopt+0xdf/0x100 [ 1074.054541][ T1119] tcp_setsockopt+0x8f/0xe0 [ 1074.059224][ T1119] sock_common_setsockopt+0x94/0xd0 [ 1074.065126][ T1119] __sys_setsockopt+0x261/0x4c0 [ 1074.070014][ T1119] ? sock_create_kern+0x50/0x50 [ 1074.075455][ T1119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1074.081425][ T1119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1074.087747][ T1119] ? handle_mm_fault+0x4ab/0xa50 [ 1074.094070][ T1119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1074.099650][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.104733][ T1119] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.111159][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.115860][ T1119] __x64_sys_setsockopt+0xbe/0x150 [ 1074.121378][ T1119] do_syscall_64+0xfa/0x790 [ 1074.125905][ T1119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.132172][ T1119] RIP: 0033:0x441c59 [ 1074.136080][ T1119] Code: 20 30 20 74 6f 20 32 20 2d 20 69 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 64 3a 20 76 65 72 73 69 6f 6e <20> 25 73 2c 20 63 6f 6e 66 69 67 20 76 61 6c 69 64 61 74 69 6f 6e [ 1074.156269][ T1119] RSP: 002b:00007fff2d8c61a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1074.165139][ T1119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c59 [ 1074.173940][ T1119] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000004 [ 1074.182334][ T1119] RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 [ 1074.190413][ T1119] R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029d0 [ 1074.198887][ T1119] R13: 0000000000402a60 R14: 0000000000000000 R15: 0000000000000000 [ 1074.207459][ T1119] INFO: task syz-executor790:10090 blocked for more than 143 seconds. [ 1074.216008][ T1119] Not tainted 5.5.0-rc7-syzkaller #0 [ 1074.223109][ T1119] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1074.232190][ T1119] syz-executor790 D27792 10090 10081 0x00004004 [ 1074.238546][ T1119] Call Trace: [ 1074.242288][ T1119] __schedule+0x934/0x1f90 [ 1074.246746][ T1119] ? __sched_text_start+0x8/0x8 [ 1074.252104][ T1119] ? lock_downgrade+0x920/0x920 [ 1074.256976][ T1119] ? rwlock_bug.part.0+0x90/0x90 [ 1074.262429][ T1119] schedule+0xdc/0x2b0 [ 1074.266536][ T1119] schedule_preempt_disabled+0x13/0x20 [ 1074.272639][ T1119] __mutex_lock+0x7ab/0x13c0 [ 1074.277251][ T1119] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1074.284288][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1074.289098][ T1119] ? pcpu_next_md_free_region+0x176/0x350 [ 1074.295310][ T1119] ? pcpu_alloc+0x100c/0x1380 [ 1074.300009][ T1119] ? mark_held_locks+0xf0/0xf0 [ 1074.305316][ T1119] ? __mutex_lock+0x458/0x13c0 [ 1074.310223][ T1119] mutex_lock_nested+0x16/0x20 [ 1074.315500][ T1119] ? mutex_lock_nested+0x16/0x20 [ 1074.320454][ T1119] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1074.327276][ T1119] hashlimit_mt_check_v1+0x325/0x3ab [ 1074.333078][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1074.338583][ T1119] ? lock_downgrade+0x920/0x920 [ 1074.343962][ T1119] ? xt_find_match+0xa6/0x280 [ 1074.348661][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1074.354855][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1074.360346][ T1119] xt_check_match+0x280/0x690 [ 1074.365398][ T1119] ? xt_check_target+0x690/0x690 [ 1074.370353][ T1119] ? pcpu_alloc_area+0x820/0x820 [ 1074.375676][ T1119] ? mutex_unlock+0xd/0x10 [ 1074.380103][ T1119] ? xt_find_match+0x73/0x280 [ 1074.385148][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.391902][ T1119] find_check_entry.isra.0+0x32f/0x920 [ 1074.397391][ T1119] ? ipt_do_table+0x1b80/0x1b80 [ 1074.402637][ T1119] ? lockdep_hardirqs_on+0x421/0x5e0 [ 1074.407937][ T1119] ? trace_hardirqs_on+0x67/0x240 [ 1074.413363][ T1119] ? kvfree+0x61/0x70 [ 1074.417376][ T1119] translate_table+0xcb4/0x17d0 [ 1074.422716][ T1119] ? compat_do_ipt_get_ctl+0x910/0x910 [ 1074.428197][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.434883][ T1119] ? _copy_from_user+0x12c/0x1a0 [ 1074.439850][ T1119] do_ipt_set_ctl+0x2fe/0x4c2 [ 1074.444961][ T1119] ? compat_do_ipt_set_ctl+0x170/0x170 [ 1074.450561][ T1119] ? mutex_unlock+0xd/0x10 [ 1074.455419][ T1119] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 1074.461849][ T1119] nf_setsockopt+0x77/0xd0 [ 1074.466336][ T1119] ip_setsockopt+0xdf/0x100 [ 1074.471274][ T1119] tcp_setsockopt+0x8f/0xe0 [ 1074.475864][ T1119] sock_common_setsockopt+0x94/0xd0 [ 1074.482456][ T1119] __sys_setsockopt+0x261/0x4c0 [ 1074.487332][ T1119] ? sock_create_kern+0x50/0x50 [ 1074.492613][ T1119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1074.498299][ T1119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1074.504982][ T1119] ? handle_mm_fault+0x4ab/0xa50 [ 1074.509949][ T1119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1074.516030][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.520729][ T1119] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.527208][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.532270][ T1119] __x64_sys_setsockopt+0xbe/0x150 [ 1074.537404][ T1119] do_syscall_64+0xfa/0x790 [ 1074.542347][ T1119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.548393][ T1119] RIP: 0033:0x441c59 [ 1074.552795][ T1119] Code: 20 30 20 74 6f 20 32 20 2d 20 69 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 64 3a 20 76 65 72 73 69 6f 6e <20> 25 73 2c 20 63 6f 6e 66 69 67 20 76 61 6c 69 64 61 74 69 6f 6e [ 1074.572917][ T1119] RSP: 002b:00007fff2d8c61a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1074.581860][ T1119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c59 [ 1074.589852][ T1119] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000004 [ 1074.598398][ T1119] RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 [ 1074.606835][ T1119] R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029d0 [ 1074.616222][ T1119] R13: 0000000000402a60 R14: 0000000000000000 R15: 0000000000000000 [ 1074.624665][ T1119] INFO: task syz-executor790:10091 blocked for more than 144 seconds. [ 1074.633159][ T1119] Not tainted 5.5.0-rc7-syzkaller #0 [ 1074.639536][ T1119] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1074.648619][ T1119] syz-executor790 D28264 10091 10084 0x00000004 [ 1074.655393][ T1119] Call Trace: [ 1074.658724][ T1119] __schedule+0x934/0x1f90 [ 1074.663666][ T1119] ? __sched_text_start+0x8/0x8 [ 1074.668640][ T1119] ? lock_downgrade+0x920/0x920 [ 1074.673934][ T1119] ? rwlock_bug.part.0+0x90/0x90 [ 1074.678903][ T1119] schedule+0xdc/0x2b0 [ 1074.683400][ T1119] schedule_preempt_disabled+0x13/0x20 [ 1074.688879][ T1119] __mutex_lock+0x7ab/0x13c0 [ 1074.693891][ T1119] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1074.700416][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1074.705563][ T1119] ? pcpu_next_md_free_region+0x176/0x350 [ 1074.711682][ T1119] ? pcpu_alloc+0x100c/0x1380 [ 1074.716395][ T1119] ? mark_held_locks+0xf0/0xf0 [ 1074.721558][ T1119] ? __mutex_lock+0x458/0x13c0 [ 1074.726395][ T1119] mutex_lock_nested+0x16/0x20 [ 1074.731745][ T1119] ? mutex_lock_nested+0x16/0x20 [ 1074.736708][ T1119] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1074.744424][ T1119] hashlimit_mt_check_v1+0x325/0x3ab [ 1074.749735][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1074.755633][ T1119] ? lock_downgrade+0x920/0x920 [ 1074.760608][ T1119] ? xt_find_match+0xa6/0x280 [ 1074.765835][ T1119] ? mutex_trylock+0x2d0/0x2d0 [ 1074.770632][ T1119] ? hashlimit_mt_check_v2+0x3b0/0x3b0 [ 1074.776603][ T1119] xt_check_match+0x280/0x690 [ 1074.781924][ T1119] ? xt_check_target+0x690/0x690 [ 1074.786888][ T1119] ? pcpu_alloc_area+0x820/0x820 [ 1074.792285][ T1119] ? mutex_unlock+0xd/0x10 [ 1074.796724][ T1119] ? xt_find_match+0x73/0x280 [ 1074.802039][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.808311][ T1119] find_check_entry.isra.0+0x32f/0x920 [ 1074.814310][ T1119] ? ipt_do_table+0x1b80/0x1b80 [ 1074.819197][ T1119] ? lockdep_hardirqs_on+0x421/0x5e0 [ 1074.824880][ T1119] ? trace_hardirqs_on+0x67/0x240 [ 1074.829927][ T1119] ? kvfree+0x61/0x70 [ 1074.834403][ T1119] translate_table+0xcb4/0x17d0 [ 1074.839414][ T1119] ? compat_do_ipt_get_ctl+0x910/0x910 [ 1074.845404][ T1119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.852047][ T1119] ? _copy_from_user+0x12c/0x1a0 [ 1074.857012][ T1119] do_ipt_set_ctl+0x2fe/0x4c2 [ 1074.862101][ T1119] ? compat_do_ipt_set_ctl+0x170/0x170 [ 1074.867590][ T1119] ? mutex_unlock+0xd/0x10 [ 1074.873587][ T1119] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 1074.879598][ T1119] nf_setsockopt+0x77/0xd0 [ 1074.884424][ T1119] ip_setsockopt+0xdf/0x100 [ 1074.888947][ T1119] tcp_setsockopt+0x8f/0xe0 [ 1074.893875][ T1119] sock_common_setsockopt+0x94/0xd0 [ 1074.899120][ T1119] __sys_setsockopt+0x261/0x4c0 [ 1074.904377][ T1119] ? sock_create_kern+0x50/0x50 [ 1074.909237][ T1119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1074.915197][ T1119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1074.921962][ T1119] ? handle_mm_fault+0x4ab/0xa50 [ 1074.926924][ T1119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1074.932820][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.937513][ T1119] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.943982][ T1119] ? do_syscall_64+0x26/0x790 [ 1074.948691][ T1119] __x64_sys_setsockopt+0xbe/0x150 [ 1074.954295][ T1119] do_syscall_64+0xfa/0x790 [ 1074.958838][ T1119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.965171][ T1119] RIP: 0033:0x441c59 [ 1074.969080][ T1119] Code: 20 30 20 74 6f 20 32 20 2d 20 69 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 64 3a 20 76 65 72 73 69 6f 6e <20> 25 73 2c 20 63 6f 6e 66 69 67 20 76 61 6c 69 64 61 74 69 6f 6e [ 1074.989680][ T1119] RSP: 002b:00007fff2d8c61a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1074.999159][ T1119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c59 [ 1075.008559][ T1119] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000004 [ 1075.016989][ T1119] RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 [ 1075.025558][ T1119] R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029d0 [ 1075.033997][ T1119] R13: 0000000000402a60 R14: 0000000000000000 R15: 0000000000000000 [ 1075.042434][ T1119] [ 1075.042434][ T1119] Showing all locks held in the system: [ 1075.050177][ T1119] 1 lock held by khungtaskd/1119: [ 1075.055631][ T1119] #0: ffffffff899a1340 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 1075.065789][ T1119] 1 lock held by rsyslogd/9962: [ 1075.070641][ T1119] #0: ffff8880a70a8360 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 1075.079742][ T1119] 2 locks held by getty/10052: [ 1075.084843][ T1119] #0: ffff88809351a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.094295][ T1119] #1: ffffc900017fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.104375][ T1119] 2 locks held by getty/10053: [ 1075.109141][ T1119] #0: ffff88809757d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.118593][ T1119] #1: ffffc9000185b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.128591][ T1119] 2 locks held by getty/10054: [ 1075.134784][ T1119] #0: ffff888093576090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.144195][ T1119] #1: ffffc900017cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.154296][ T1119] 2 locks held by getty/10055: [ 1075.159198][ T1119] #0: ffff88809d761090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.168732][ T1119] #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.178819][ T1119] 2 locks held by getty/10056: [ 1075.184132][ T1119] #0: ffff8880981dd090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.193622][ T1119] #1: ffffc9000183b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.203639][ T1119] 2 locks held by getty/10057: [ 1075.208411][ T1119] #0: ffff88809777c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.217827][ T1119] #1: ffffc9000184b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.227824][ T1119] 2 locks held by getty/10058: [ 1075.233010][ T1119] #0: ffff8880a02e3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1075.242355][ T1119] #1: ffffc9000179b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1075.252362][ T1119] 1 lock held by syz-executor790/10087: [ 1075.257913][ T1119] #0: ffffffff8a558800 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1075.270075][ T1119] 1 lock held by syz-executor790/10088: [ 1075.276041][ T1119] 1 lock held by syz-executor790/10089: [ 1075.281950][ T1119] #0: ffffffff8a558800 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1075.293097][ T1119] 1 lock held by syz-executor790/10090: [ 1075.298645][ T1119] #0: ffffffff8a558800 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1075.309821][ T1119] 1 lock held by syz-executor790/10091: [ 1075.315677][ T1119] #0: ffffffff8a558800 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1075.326720][ T1119] 1 lock held by syz-executor790/10092: [ 1075.332673][ T1119] #0: ffffffff8a558800 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 1075.343942][ T1119] [ 1075.346281][ T1119] ============================================= [ 1075.346281][ T1119] [ 1075.355147][ T1119] NMI backtrace for cpu 1 [ 1075.359510][ T1119] CPU: 1 PID: 1119 Comm: khungtaskd Not tainted 5.5.0-rc7-syzkaller #0 [ 1075.367945][ T1119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.378092][ T1119] Call Trace: [ 1075.381448][ T1119] dump_stack+0x197/0x210 [ 1075.385833][ T1119] nmi_cpu_backtrace.cold+0x70/0xb2 [ 1075.391088][ T1119] ? vprintk_func+0x86/0x189 [ 1075.395734][ T1119] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1075.401372][ T1119] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 1075.407358][ T1119] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1075.413248][ T1119] watchdog+0xb11/0x10c0 [ 1075.417576][ T1119] kthread+0x361/0x430 [ 1075.421676][ T1119] ? reset_hung_task_detector+0x30/0x30 [ 1075.427236][ T1119] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1075.432976][ T1119] ret_from_fork+0x24/0x30 [ 1075.437574][ T1119] Sending NMI from CPU 1 to CPUs 0: [ 1075.443461][ C0] NMI backtrace for cpu 0 [ 1075.443467][ C0] CPU: 0 PID: 10088 Comm: syz-executor790 Not tainted 5.5.0-rc7-syzkaller #0 [ 1075.443473][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.443477][ C0] RIP: 0010:lock_is_held_type+0xe9/0x320 [ 1075.443488][ C0] Code: 08 00 0f 84 d4 01 00 00 fa 66 0f 1f 44 00 00 65 4c 8b 24 25 c0 1e 02 00 49 8d bc 24 94 08 00 00 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 [ 1075.443492][ C0] RSP: 0018:ffffc90002147720 EFLAGS: 00000082 [ 1075.443499][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff14f84f6 [ 1075.443504][ C0] RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff888099926d94 [ 1075.443509][ C0] RBP: ffffc90002147768 R08: 1ffffffff165dd79 R09: fffffbfff165dd7a [ 1075.443514][ C0] R10: fffffbfff165dd79 R11: ffffffff8b2eebcf R12: ffff888099926500 [ 1075.443519][ C0] R13: 0000000000000176 R14: ffffffff899a1300 R15: 0000000000000001 [ 1075.443524][ C0] FS: 0000000002566880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 1075.443528][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1075.443533][ C0] CR2: ffffffffff600400 CR3: 0000000091838000 CR4: 00000000001406f0 [ 1075.443538][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1075.443543][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1075.443545][ C0] Call Trace: [ 1075.443548][ C0] ___might_sleep+0x242/0x2c0 [ 1075.443552][ C0] htable_selective_cleanup+0x245/0x340 [ 1075.443555][ C0] htable_put+0x174/0x220 [ 1075.443559][ C0] ? hashlimit_mt_destroy_v2+0x70/0x70 [ 1075.443562][ C0] hashlimit_mt_destroy_v1+0x50/0x70 [ 1075.443565][ C0] cleanup_match+0xde/0x170 [ 1075.443568][ C0] ? icmp_checkentry+0xa0/0xa0 [ 1075.443572][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.443576][ C0] find_check_entry.isra.0+0x454/0x920 [ 1075.443579][ C0] ? ipt_do_table+0x1b80/0x1b80 [ 1075.443583][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 1075.443586][ C0] ? kvfree+0x61/0x70 [ 1075.443589][ C0] translate_table+0xcb4/0x17d0 [ 1075.443592][ C0] ? compat_do_ipt_get_ctl+0x910/0x910 [ 1075.443596][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.443600][ C0] ? _copy_from_user+0x12c/0x1a0 [ 1075.443603][ C0] do_ipt_set_ctl+0x2fe/0x4c2 [ 1075.443606][ C0] ? compat_do_ipt_set_ctl+0x170/0x170 [ 1075.443609][ C0] ? mutex_unlock+0xd/0x10 [ 1075.443613][ C0] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 1075.443616][ C0] nf_setsockopt+0x77/0xd0 [ 1075.443620][ C0] ip_setsockopt+0xdf/0x100 [ 1075.443623][ C0] tcp_setsockopt+0x8f/0xe0 [ 1075.443626][ C0] sock_common_setsockopt+0x94/0xd0 [ 1075.443629][ C0] __sys_setsockopt+0x261/0x4c0 [ 1075.443633][ C0] ? sock_create_kern+0x50/0x50 [ 1075.443636][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1075.443640][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1075.443643][ C0] ? handle_mm_fault+0x4ab/0xa50 [ 1075.443647][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1075.443650][ C0] ? do_syscall_64+0x26/0x790 [ 1075.443654][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1075.443657][ C0] ? do_syscall_64+0x26/0x790 [ 1075.443660][ C0] __x64_sys_setsockopt+0xbe/0x150 [ 1075.443663][ C0] do_syscall_64+0xfa/0x790 [ 1075.443667][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1075.443670][ C0] RIP: 0033:0x441c59 [ 1075.443681][ C0] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1075.443685][ C0] RSP: 002b:00007fff2d8c61a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1075.443693][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c59 [ 1075.443698][ C0] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000004 [ 1075.443703][ C0] RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 [ 1075.443708][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029d0 [ 1075.443713][ C0] R13: 0000000000402a60 R14: 0000000000000000 R15: 0000000000000000 [ 1075.447308][ T1119] Kernel panic - not syncing: hung_task: blocked tasks [ 1075.843056][ T1119] CPU: 1 PID: 1119 Comm: khungtaskd Not tainted 5.5.0-rc7-syzkaller #0 [ 1075.851311][ T1119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.861377][ T1119] Call Trace: [ 1075.864690][ T1119] dump_stack+0x197/0x210 [ 1075.869109][ T1119] panic+0x2e3/0x75c [ 1075.873111][ T1119] ? add_taint.cold+0x16/0x16 [ 1075.877821][ T1119] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1075.883473][ T1119] ? ___preempt_schedule+0x16/0x18 [ 1075.888601][ T1119] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1075.894769][ T1119] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 1075.900941][ T1119] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 1075.907113][ T1119] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1075.913289][ T1119] watchdog+0xb22/0x10c0 [ 1075.917665][ T1119] kthread+0x361/0x430 [ 1075.921737][ T1119] ? reset_hung_task_detector+0x30/0x30 [ 1075.927293][ T1119] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1075.933128][ T1119] ret_from_fork+0x24/0x30 [ 1075.939295][ T1119] Kernel Offset: disabled [ 1075.943663][ T1119] Rebooting in 86400 seconds..