Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 571.758750][ T1101] INFO: task syz-executor539:9670 blocked for more than 143 seconds. [ 571.767034][ T1101] Not tainted 5.5.0-syzkaller #0 [ 571.774454][ T1101] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.783524][ T1101] syz-executor539 D28312 9670 9669 0x00000004 [ 571.797985][ T1101] Call Trace: [ 571.801773][ T1101] __schedule+0x934/0x1f90 [ 571.806221][ T1101] ? __sched_text_start+0x8/0x8 [ 571.811543][ T1101] ? lock_downgrade+0x920/0x920 [ 571.816436][ T1101] ? rwlock_bug.part.0+0x90/0x90 [ 571.821882][ T1101] schedule+0xdc/0x2b0 [ 571.826308][ T1101] schedule_preempt_disabled+0x13/0x20 [ 571.833122][ T1101] __mutex_lock+0x7ab/0x13c0 [ 571.837968][ T1101] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 571.844998][ T1101] ? mutex_trylock+0x2d0/0x2d0 [ 571.850263][ T1101] ? find_held_lock+0x35/0x130 [ 571.855037][ T1101] ? xt_find_match+0x1e8/0x280 [ 571.860531][ T1101] mutex_lock_nested+0x16/0x20 [ 571.865315][ T1101] ? mutex_lock_nested+0x16/0x20 [ 571.870638][ T1101] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 571.877139][ T1101] hashlimit_mt_check+0xa4/0xd0 [ 571.882555][ T1101] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 571.889437][ T1101] xt_check_match+0x280/0x690 [ 571.894128][ T1101] ? xt_check_target+0x690/0x690 [ 571.899489][ T1101] ? pcpu_alloc_area+0x820/0x820 [ 571.904445][ T1101] ? mutex_unlock+0xd/0x10 [ 571.909281][ T1101] ? xt_find_match+0x73/0x280 [ 571.914367][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 571.920966][ T1101] find_check_entry.isra.0+0x32f/0x920 [ 571.926433][ T1101] ? ipt_do_table+0x1b80/0x1b80 [ 571.931742][ T1101] ? lockdep_hardirqs_on+0x421/0x5e0 [ 571.937105][ T1101] ? trace_hardirqs_on+0x67/0x240 [ 571.942470][ T1101] ? kvfree+0x61/0x70 [ 571.946660][ T1101] translate_table+0xcb4/0x17d0 [ 571.951907][ T1101] ? compat_do_ipt_get_ctl+0x910/0x910 [ 571.957382][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 571.965061][ T1101] ? _copy_from_user+0x12c/0x1a0 [ 571.970341][ T1101] do_ipt_set_ctl+0x2fe/0x4c2 [ 571.975026][ T1101] ? compat_do_ipt_set_ctl+0x170/0x170 [ 571.980823][ T1101] ? mutex_unlock+0xd/0x10 [ 571.985321][ T1101] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 571.991630][ T1101] nf_setsockopt+0x77/0xd0 [ 571.996101][ T1101] ip_setsockopt+0xdf/0x100 [ 572.001009][ T1101] tcp_setsockopt+0x8f/0xe0 [ 572.005569][ T1101] sock_common_setsockopt+0x94/0xd0 [ 572.011089][ T1101] __sys_setsockopt+0x261/0x4c0 [ 572.015956][ T1101] ? sock_create_kern+0x50/0x50 [ 572.021252][ T1101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 572.026828][ T1101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 572.034138][ T1101] ? handle_mm_fault+0x4ab/0xa50 [ 572.039437][ T1101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 572.044911][ T1101] ? do_syscall_64+0x26/0x790 [ 572.049929][ T1101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.056000][ T1101] ? do_syscall_64+0x26/0x790 [ 572.061006][ T1101] __x64_sys_setsockopt+0xbe/0x150 [ 572.066144][ T1101] do_syscall_64+0xfa/0x790 [ 572.071031][ T1101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.076924][ T1101] RIP: 0033:0x441b39 [ 572.081145][ T1101] Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 [ 572.102321][ T1101] RSP: 002b:00007ffe4eabba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 572.111114][ T1101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 [ 572.119369][ T1101] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 572.127343][ T1101] RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 [ 572.135783][ T1101] R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 [ 572.144092][ T1101] R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 [ 572.152469][ T1101] INFO: task syz-executor539:9672 blocked for more than 143 seconds. [ 572.160768][ T1101] Not tainted 5.5.0-syzkaller #0 [ 572.166254][ T1101] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.175287][ T1101] syz-executor539 D27816 9672 9666 0x00004004 [ 572.181932][ T1101] Call Trace: [ 572.185232][ T1101] __schedule+0x934/0x1f90 [ 572.189995][ T1101] ? __sched_text_start+0x8/0x8 [ 572.194849][ T1101] ? lock_downgrade+0x920/0x920 [ 572.200001][ T1101] ? rwlock_bug.part.0+0x90/0x90 [ 572.205035][ T1101] schedule+0xdc/0x2b0 [ 572.209404][ T1101] schedule_preempt_disabled+0x13/0x20 [ 572.214862][ T1101] __mutex_lock+0x7ab/0x13c0 [ 572.219762][ T1101] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 572.226272][ T1101] ? mutex_trylock+0x2d0/0x2d0 [ 572.232314][ T1101] ? find_held_lock+0x35/0x130 [ 572.237088][ T1101] ? xt_find_match+0x1e8/0x280 [ 572.242156][ T1101] mutex_lock_nested+0x16/0x20 [ 572.246920][ T1101] ? mutex_lock_nested+0x16/0x20 [ 572.252163][ T1101] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 572.258503][ T1101] hashlimit_mt_check+0xa4/0xd0 [ 572.263650][ T1101] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 572.270989][ T1101] xt_check_match+0x280/0x690 [ 572.275673][ T1101] ? xt_check_target+0x690/0x690 [ 572.280913][ T1101] ? pcpu_alloc_area+0x820/0x820 [ 572.286013][ T1101] ? mutex_unlock+0xd/0x10 [ 572.290811][ T1101] ? xt_find_match+0x73/0x280 [ 572.295520][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 572.302134][ T1101] find_check_entry.isra.0+0x32f/0x920 [ 572.307611][ T1101] ? ipt_do_table+0x1b80/0x1b80 [ 572.312889][ T1101] ? lockdep_hardirqs_on+0x421/0x5e0 [ 572.318188][ T1101] ? trace_hardirqs_on+0x67/0x240 [ 572.323551][ T1101] ? kvfree+0x61/0x70 [ 572.327550][ T1101] translate_table+0xcb4/0x17d0 [ 572.332765][ T1101] ? compat_do_ipt_get_ctl+0x910/0x910 [ 572.338237][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 572.344790][ T1101] ? _copy_from_user+0x12c/0x1a0 [ 572.350126][ T1101] do_ipt_set_ctl+0x2fe/0x4c2 [ 572.354820][ T1101] ? compat_do_ipt_set_ctl+0x170/0x170 [ 572.361603][ T1101] ? mutex_unlock+0xd/0x10 [ 572.366029][ T1101] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 572.372325][ T1101] nf_setsockopt+0x77/0xd0 [ 572.376748][ T1101] ip_setsockopt+0xdf/0x100 [ 572.381634][ T1101] tcp_setsockopt+0x8f/0xe0 [ 572.386148][ T1101] sock_common_setsockopt+0x94/0xd0 [ 572.391665][ T1101] __sys_setsockopt+0x261/0x4c0 [ 572.396526][ T1101] ? sock_create_kern+0x50/0x50 [ 572.401770][ T1101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 572.407322][ T1101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 572.413872][ T1101] ? handle_mm_fault+0x4ab/0xa50 [ 572.419091][ T1101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 572.424551][ T1101] ? do_syscall_64+0x26/0x790 [ 572.429532][ T1101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.435603][ T1101] ? do_syscall_64+0x26/0x790 [ 572.440582][ T1101] __x64_sys_setsockopt+0xbe/0x150 [ 572.445699][ T1101] do_syscall_64+0xfa/0x790 [ 572.450709][ T1101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.456613][ T1101] RIP: 0033:0x441b39 [ 572.460835][ T1101] Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 [ 572.480828][ T1101] RSP: 002b:00007ffe4eabba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 572.490466][ T1101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 [ 572.498439][ T1101] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 572.506730][ T1101] RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 [ 572.515013][ T1101] R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 [ 572.523360][ T1101] R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 [ 572.531710][ T1101] INFO: task syz-executor539:9673 blocked for more than 144 seconds. [ 572.540099][ T1101] Not tainted 5.5.0-syzkaller #0 [ 572.545659][ T1101] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.554770][ T1101] syz-executor539 D28312 9673 9664 0x00000004 [ 572.561484][ T1101] Call Trace: [ 572.564797][ T1101] __schedule+0x934/0x1f90 [ 572.569690][ T1101] ? __sched_text_start+0x8/0x8 [ 572.574568][ T1101] ? lock_downgrade+0x920/0x920 [ 572.579825][ T1101] ? rwlock_bug.part.0+0x90/0x90 [ 572.584829][ T1101] schedule+0xdc/0x2b0 [ 572.589293][ T1101] schedule_preempt_disabled+0x13/0x20 [ 572.594786][ T1101] __mutex_lock+0x7ab/0x13c0 [ 572.599893][ T1101] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 572.606426][ T1101] ? mutex_trylock+0x2d0/0x2d0 [ 572.611756][ T1101] ? find_held_lock+0x35/0x130 [ 572.616543][ T1101] ? xt_find_match+0x1e8/0x280 [ 572.622817][ T1101] mutex_lock_nested+0x16/0x20 [ 572.627604][ T1101] ? mutex_lock_nested+0x16/0x20 [ 572.632963][ T1101] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 572.639791][ T1101] hashlimit_mt_check+0xa4/0xd0 [ 572.644665][ T1101] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 572.651696][ T1101] xt_check_match+0x280/0x690 [ 572.656404][ T1101] ? xt_check_target+0x690/0x690 [ 572.661776][ T1101] ? pcpu_alloc_area+0x820/0x820 [ 572.666742][ T1101] ? mutex_unlock+0xd/0x10 [ 572.671588][ T1101] ? xt_find_match+0x73/0x280 [ 572.676299][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 572.683159][ T1101] find_check_entry.isra.0+0x32f/0x920 [ 572.688997][ T1101] ? ipt_do_table+0x1b80/0x1b80 [ 572.693866][ T1101] ? lockdep_hardirqs_on+0x421/0x5e0 [ 572.699724][ T1101] ? trace_hardirqs_on+0x67/0x240 [ 572.704760][ T1101] ? kvfree+0x61/0x70 [ 572.709147][ T1101] translate_table+0xcb4/0x17d0 [ 572.714028][ T1101] ? compat_do_ipt_get_ctl+0x910/0x910 [ 572.719915][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 572.726178][ T1101] ? _copy_from_user+0x12c/0x1a0 [ 572.731773][ T1101] do_ipt_set_ctl+0x2fe/0x4c2 [ 572.736475][ T1101] ? compat_do_ipt_set_ctl+0x170/0x170 [ 572.742395][ T1101] ? mutex_unlock+0xd/0x10 [ 572.746826][ T1101] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 572.754150][ T1101] nf_setsockopt+0x77/0xd0 [ 572.758895][ T1101] ip_setsockopt+0xdf/0x100 [ 572.764005][ T1101] tcp_setsockopt+0x8f/0xe0 [ 572.768957][ T1101] sock_common_setsockopt+0x94/0xd0 [ 572.774187][ T1101] __sys_setsockopt+0x261/0x4c0 [ 572.779455][ T1101] ? sock_create_kern+0x50/0x50 [ 572.784453][ T1101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 572.790405][ T1101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 572.796662][ T1101] ? handle_mm_fault+0x4ab/0xa50 [ 572.802034][ T1101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 572.807518][ T1101] ? do_syscall_64+0x26/0x790 [ 572.812591][ T1101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.819089][ T1101] ? do_syscall_64+0x26/0x790 [ 572.823807][ T1101] __x64_sys_setsockopt+0xbe/0x150 [ 572.829320][ T1101] do_syscall_64+0xfa/0x790 [ 572.833845][ T1101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.840156][ T1101] RIP: 0033:0x441b39 [ 572.844068][ T1101] Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 [ 572.864627][ T1101] RSP: 002b:00007ffe4eabba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 572.873464][ T1101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 [ 572.882783][ T1101] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 572.891377][ T1101] RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 [ 572.899739][ T1101] R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 [ 572.907773][ T1101] R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 [ 572.916225][ T1101] INFO: task syz-executor539:9674 blocked for more than 144 seconds. [ 572.924656][ T1101] Not tainted 5.5.0-syzkaller #0 [ 572.930498][ T1101] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.939494][ T1101] syz-executor539 D28312 9674 9667 0x00000004 [ 572.945843][ T1101] Call Trace: [ 572.949530][ T1101] __schedule+0x934/0x1f90 [ 572.954073][ T1101] ? __sched_text_start+0x8/0x8 [ 572.959449][ T1101] ? lock_downgrade+0x920/0x920 [ 572.964319][ T1101] ? rwlock_bug.part.0+0x90/0x90 [ 572.969729][ T1101] schedule+0xdc/0x2b0 [ 572.973849][ T1101] schedule_preempt_disabled+0x13/0x20 [ 572.979702][ T1101] __mutex_lock+0x7ab/0x13c0 [ 572.984316][ T1101] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 572.991246][ T1101] ? mutex_trylock+0x2d0/0x2d0 [ 572.996042][ T1101] ? find_held_lock+0x35/0x130 [ 573.001236][ T1101] ? xt_find_match+0x1e8/0x280 [ 573.006020][ T1101] mutex_lock_nested+0x16/0x20 [ 573.012212][ T1101] ? mutex_lock_nested+0x16/0x20 [ 573.017305][ T1101] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.024089][ T1101] hashlimit_mt_check+0xa4/0xd0 [ 573.029337][ T1101] ? hashlimit_mt_check_common.isra.0+0x1500/0x1500 [ 573.035947][ T1101] xt_check_match+0x280/0x690 [ 573.041034][ T1101] ? xt_check_target+0x690/0x690 [ 573.045990][ T1101] ? pcpu_alloc_area+0x820/0x820 [ 573.051340][ T1101] ? mutex_unlock+0xd/0x10 [ 573.055848][ T1101] ? xt_find_match+0x73/0x280 [ 573.060903][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 573.067167][ T1101] find_check_entry.isra.0+0x32f/0x920 [ 573.073138][ T1101] ? ipt_do_table+0x1b80/0x1b80 [ 573.078110][ T1101] ? lockdep_hardirqs_on+0x421/0x5e0 [ 573.084163][ T1101] ? trace_hardirqs_on+0x67/0x240 [ 573.089499][ T1101] ? kvfree+0x61/0x70 [ 573.093506][ T1101] translate_table+0xcb4/0x17d0 [ 573.098390][ T1101] ? compat_do_ipt_get_ctl+0x910/0x910 [ 573.104308][ T1101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 573.110951][ T1101] ? _copy_from_user+0x12c/0x1a0 [ 573.115912][ T1101] do_ipt_set_ctl+0x2fe/0x4c2 [ 573.121150][ T1101] ? compat_do_ipt_set_ctl+0x170/0x170 [ 573.126668][ T1101] ? mutex_unlock+0xd/0x10 [ 573.131506][ T1101] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 573.137513][ T1101] nf_setsockopt+0x77/0xd0 [ 573.143453][ T1101] ip_setsockopt+0xdf/0x100 [ 573.147986][ T1101] tcp_setsockopt+0x8f/0xe0 [ 573.152931][ T1101] sock_common_setsockopt+0x94/0xd0 [ 573.158173][ T1101] __sys_setsockopt+0x261/0x4c0 [ 573.163449][ T1101] ? sock_create_kern+0x50/0x50 [ 573.168321][ T1101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 573.175358][ T1101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 573.181972][ T1101] ? handle_mm_fault+0x4ab/0xa50 [ 573.186925][ T1101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.192772][ T1101] ? do_syscall_64+0x26/0x790 [ 573.197472][ T1101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.204205][ T1101] ? do_syscall_64+0x26/0x790 [ 573.209197][ T1101] __x64_sys_setsockopt+0xbe/0x150 [ 573.214769][ T1101] do_syscall_64+0xfa/0x790 [ 573.219747][ T1101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.225651][ T1101] RIP: 0033:0x441b39 [ 573.229994][ T1101] Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 [ 573.249999][ T1101] RSP: 002b:00007ffe4eabba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 573.258428][ T1101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 [ 573.267051][ T1101] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 573.276506][ T1101] RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 [ 573.285176][ T1101] R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 [ 573.293550][ T1101] R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 [ 573.302286][ T1101] [ 573.302286][ T1101] Showing all locks held in the system: [ 573.310323][ T1101] 1 lock held by khungtaskd/1101: [ 573.315356][ T1101] #0: ffffffff899a1440 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 573.325158][ T1101] 1 lock held by rsyslogd/9548: [ 573.330389][ T1101] #0: ffff8880a34da0e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 573.339467][ T1101] 2 locks held by getty/9638: [ 573.344147][ T1101] #0: ffff8880a02bb090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.353582][ T1101] #1: ffffc900017db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.363768][ T1101] 2 locks held by getty/9639: [ 573.368934][ T1101] #0: ffff8880a932c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.377903][ T1101] #1: ffffc900017ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.388019][ T1101] 2 locks held by getty/9640: [ 573.393091][ T1101] #0: ffff88809fd43090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.403477][ T1101] #1: ffffc900017bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.413539][ T1101] 2 locks held by getty/9641: [ 573.418237][ T1101] #0: ffff8880940ff090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.427648][ T1101] #1: ffffc9000178b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.437639][ T1101] 2 locks held by getty/9642: [ 573.442700][ T1101] #0: ffff8880a2ccb090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.452230][ T1101] #1: ffffc900017fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.462221][ T1101] 2 locks held by getty/9643: [ 573.466913][ T1101] #0: ffff8880a852f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.476414][ T1101] #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.486422][ T1101] 2 locks held by getty/9644: [ 573.491449][ T1101] #0: ffff8880a9375090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 573.500782][ T1101] #1: ffffc900017532e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 573.510804][ T1101] 1 lock held by syz-executor539/9665: [ 573.516287][ T1101] 1 lock held by syz-executor539/9670: [ 573.522118][ T1101] #0: ffffffff8a546080 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.534399][ T1101] 1 lock held by syz-executor539/9671: [ 573.540217][ T1101] #0: ffffffff8a546080 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.551486][ T1101] 1 lock held by syz-executor539/9672: [ 573.556960][ T1101] #0: ffffffff8a546080 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.569447][ T1101] 1 lock held by syz-executor539/9673: [ 573.574912][ T1101] #0: ffffffff8a546080 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.586048][ T1101] 1 lock held by syz-executor539/9674: [ 573.591883][ T1101] #0: ffffffff8a546080 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 573.603097][ T1101] [ 573.605443][ T1101] ============================================= [ 573.605443][ T1101] [ 573.614287][ T1101] NMI backtrace for cpu 1 [ 573.618712][ T1101] CPU: 1 PID: 1101 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 573.626619][ T1101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.636770][ T1101] Call Trace: [ 573.640176][ T1101] dump_stack+0x197/0x210 [ 573.648165][ T1101] nmi_cpu_backtrace.cold+0x70/0xb2 [ 573.653381][ T1101] ? vprintk_func+0x86/0x189 [ 573.658047][ T1101] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 573.663697][ T1101] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 573.669695][ T1101] arch_trigger_cpumask_backtrace+0x14/0x20 [ 573.675602][ T1101] watchdog+0xb11/0x10c0 [ 573.680061][ T1101] kthread+0x361/0x430 [ 573.684149][ T1101] ? reset_hung_task_detector+0x30/0x30 [ 573.689712][ T1101] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 573.695453][ T1101] ret_from_fork+0x24/0x30 [ 573.700129][ T1101] Sending NMI from CPU 1 to CPUs 0: [ 573.706202][ C0] NMI backtrace for cpu 0 [ 573.706210][ C0] CPU: 0 PID: 9665 Comm: syz-executor539 Not tainted 5.5.0-syzkaller #0 [ 573.706216][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.706220][ C0] RIP: 0010:check_memory_region+0x1f/0x1a0 [ 573.706231][ C0] Code: 00 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 34 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 d2 48 39 c7 48 89 e5 41 55 <41> 54 53 0f 86 07 01 00 00 4c 8d 5c 37 ff 49 89 f8 48 b8 00 00 00 [ 573.706235][ C0] RSP: 0018:ffffc90002087558 EFLAGS: 00000016 [ 573.706242][ C0] RAX: ffff7fffffffffff RBX: 000000000000057d RCX: ffffffff815a5702 [ 573.706247][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8b2d7bc8 [ 573.706251][ C0] RBP: ffffc90002087560 R08: 0000000000000001 R09: 000000000000057d [ 573.706256][ C0] R10: ffff8880a1c78980 R11: ffff8880a1c780c0 R12: 0000000000000002 [ 573.706261][ C0] R13: ffff8880a1c78980 R14: 0000000000000000 R15: 000000000004057d [ 573.706266][ C0] FS: 00000000026cd880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 573.706270][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 573.706275][ C0] CR2: ffffffffff600400 CR3: 000000009f02a000 CR4: 00000000001406f0 [ 573.706279][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 573.706284][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 573.706287][ C0] Call Trace: [ 573.706290][ C0] __kasan_check_read+0x11/0x20 [ 573.706293][ C0] mark_lock+0xc2/0x1220 [ 573.706296][ C0] __lock_acquire+0x1370/0x4a00 [ 573.706299][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.706303][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 573.706306][ C0] ? retint_kernel+0x2b/0x2b [ 573.706310][ C0] ? trace_hardirqs_on_caller+0x6a/0x240 [ 573.706313][ C0] ? mark_held_locks+0xf0/0xf0 [ 573.706316][ C0] ? mark_held_locks+0xa4/0xf0 [ 573.706319][ C0] lock_acquire+0x190/0x410 [ 573.706323][ C0] ? htable_selective_cleanup+0xa6/0x330 [ 573.706326][ C0] _raw_spin_lock_bh+0x33/0x50 [ 573.706329][ C0] ? htable_selective_cleanup+0xa6/0x330 [ 573.706333][ C0] htable_selective_cleanup+0xa6/0x330 [ 573.706336][ C0] ? esp_mt+0x410/0x410 [ 573.706338][ C0] htable_put+0x176/0x220 [ 573.706341][ C0] ? htable_put+0x220/0x220 [ 573.706344][ C0] hashlimit_mt_destroy+0x56/0x70 [ 573.706346][ C0] cleanup_match+0xde/0x170 [ 573.706349][ C0] ? icmp_checkentry+0xa0/0xa0 [ 573.706352][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 573.706355][ C0] find_check_entry.isra.0+0x454/0x920 [ 573.706358][ C0] ? ipt_do_table+0x1b80/0x1b80 [ 573.706361][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 573.706363][ C0] ? kvfree+0x61/0x70 [ 573.706366][ C0] translate_table+0xcb4/0x17d0 [ 573.706369][ C0] ? compat_do_ipt_get_ctl+0x910/0x910 [ 573.706373][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 573.706375][ C0] ? _copy_from_user+0x12c/0x1a0 [ 573.706378][ C0] do_ipt_set_ctl+0x2fe/0x4c2 [ 573.706381][ C0] ? compat_do_ipt_set_ctl+0x170/0x170 [ 573.706384][ C0] ? mutex_unlock+0xd/0x10 [ 573.706387][ C0] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 573.706389][ C0] nf_setsockopt+0x77/0xd0 [ 573.706392][ C0] ip_setsockopt+0xdf/0x100 [ 573.706395][ C0] tcp_setsockopt+0x8f/0xe0 [ 573.706398][ C0] sock_common_setsockopt+0x94/0xd0 [ 573.706401][ C0] __sys_setsockopt+0x261/0x4c0 [ 573.706404][ C0] ? sock_create_kern+0x50/0x50 [ 573.706407][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 573.706410][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 573.706413][ C0] ? handle_mm_fault+0x4ab/0xa50 [ 573.706416][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.706419][ C0] ? do_syscall_64+0x26/0x790 [ 573.706422][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.706425][ C0] ? do_syscall_64+0x26/0x790 [ 573.706428][ C0] __x64_sys_setsockopt+0xbe/0x150 [ 573.706430][ C0] do_syscall_64+0xfa/0x790 [ 573.706434][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.706436][ C0] RIP: 0033:0x441b39 [ 573.706446][ 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 [ 573.706449][ C0] RSP: 002b:00007ffe4eabba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 573.706456][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 [ 573.706460][ C0] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 573.706464][ C0] RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 [ 573.706468][ C0] R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 [ 573.706472][ C0] R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 [ 573.707808][ T1101] Kernel panic - not syncing: hung_task: blocked tasks [ 574.171289][ T1101] CPU: 1 PID: 1101 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 574.179284][ T1101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 574.189341][ T1101] Call Trace: [ 574.192656][ T1101] dump_stack+0x197/0x210 [ 574.197206][ T1101] panic+0x2e3/0x75c [ 574.201136][ T1101] ? add_taint.cold+0x16/0x16 [ 574.205824][ T1101] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 574.211472][ T1101] ? ___preempt_schedule+0x16/0x18 [ 574.216595][ T1101] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 574.222759][ T1101] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 574.228919][ T1101] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 574.235088][ T1101] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 574.241369][ T1101] watchdog+0xb22/0x10c0 [ 574.245638][ T1101] kthread+0x361/0x430 [ 574.249721][ T1101] ? reset_hung_task_detector+0x30/0x30 [ 574.255974][ T1101] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 574.261708][ T1101] ret_from_fork+0x24/0x30 [ 574.267900][ T1101] Kernel Offset: disabled [ 574.272240][ T1101] Rebooting in 86400 seconds..