[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 487.806668][ T36] audit: type=1400 audit(1612565268.393:8): avc: denied { execmem } for pid=8431 comm="syz-executor909" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 487.984141][ T8461] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 721.460125][ T1646] INFO: task kworker/0:3:3919 blocked for more than 143 seconds. [ 721.468316][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 721.478479][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.489199][ T1646] task:kworker/0:3 state:D stack:29696 pid: 3919 ppid: 2 flags:0x00004000 [ 721.501017][ T1646] Workqueue: events linkwatch_event [ 721.506612][ T1646] Call Trace: [ 721.513521][ T1646] __schedule+0x90c/0x21a0 [ 721.518185][ T1646] ? io_schedule_timeout+0x140/0x140 [ 721.527397][ T1646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.538932][ T1646] ? lockdep_hardirqs_on+0x79/0x100 [ 721.547331][ T1646] schedule+0xcf/0x270 [ 721.553568][ T1646] schedule_preempt_disabled+0xf/0x20 [ 721.559099][ T1646] __mutex_lock+0x81a/0x1110 [ 721.567085][ T1646] ? linkwatch_event+0xb/0x60 [ 721.573696][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 721.579260][ T1646] ? lock_release+0x710/0x710 [ 721.587300][ T1646] linkwatch_event+0xb/0x60 [ 721.593789][ T1646] process_one_work+0x98d/0x15f0 [ 721.598935][ T1646] ? pwq_dec_nr_in_flight+0x320/0x320 [ 721.607503][ T1646] ? rwlock_bug.part.0+0x90/0x90 [ 721.614645][ T1646] ? _raw_spin_lock_irq+0x41/0x50 [ 721.621748][ T1646] worker_thread+0x64c/0x1120 [ 721.627472][ T1646] ? process_one_work+0x15f0/0x15f0 [ 721.635642][ T1646] kthread+0x3b1/0x4a0 [ 721.642386][ T1646] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 721.648645][ T1646] ret_from_fork+0x1f/0x30 [ 721.656220][ T1646] INFO: task syz-executor909:8441 blocked for more than 143 seconds. [ 721.667633][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 721.676927][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.687988][ T1646] task:syz-executor909 state:D stack:26320 pid: 8441 ppid: 8435 flags:0x00000004 [ 721.699470][ T1646] Call Trace: [ 721.705058][ T1646] __schedule+0x90c/0x21a0 [ 721.709757][ T1646] ? io_schedule_timeout+0x140/0x140 [ 721.717816][ T1646] schedule+0xcf/0x270 [ 721.725331][ T1646] schedule_preempt_disabled+0xf/0x20 [ 721.732889][ T1646] __mutex_lock+0x81a/0x1110 [ 721.738025][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 721.746197][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 721.753480][ T1646] ? __nla_parse+0x3d/0x50 [ 721.758097][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 721.768273][ T1646] nl80211_pre_doit+0x34f/0x630 [ 721.776005][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 721.785997][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 721.796492][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 721.807634][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.815948][ T1646] ? cap_capable+0x1f1/0x280 [ 721.822573][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.829169][ T1646] ? ns_capable+0xde/0x100 [ 721.837820][ T1646] genl_rcv_msg+0x328/0x580 [ 721.844295][ T1646] ? genl_get_cmd+0x480/0x480 [ 721.849137][ T1646] ? nl80211_notify_iface+0x180/0x180 [ 721.857383][ T1646] ? lock_release+0x710/0x710 [ 721.864171][ T1646] netlink_rcv_skb+0x153/0x420 [ 721.869034][ T1646] ? genl_get_cmd+0x480/0x480 [ 721.876557][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 721.883201][ T1646] genl_rcv+0x24/0x40 [ 721.887364][ T1646] netlink_unicast+0x533/0x7d0 [ 721.894784][ T1646] ? netlink_attachskb+0x870/0x870 [ 721.901781][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 721.907393][ T1646] netlink_sendmsg+0x856/0xd90 [ 721.914753][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 721.919765][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.929889][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 721.934925][ T1646] sock_sendmsg+0xcf/0x120 [ 721.939506][ T1646] __sys_sendto+0x21c/0x320 [ 721.947928][ T1646] ? __ia32_sys_getpeername+0xb0/0xb0 [ 721.954992][ T1646] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 721.962603][ T1646] ? debug_object_active_state+0x260/0x350 [ 721.968570][ T1646] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 721.977601][ T1646] ? __blkcg_punt_bio_submit+0x1d0/0x1d0 [ 721.985134][ T1646] __x64_sys_sendto+0xdd/0x1b0 [ 721.993114][ T1646] ? lockdep_hardirqs_on+0x79/0x100 [ 721.998400][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 722.007545][ T1646] do_syscall_64+0x2d/0x70 [ 722.014094][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 722.021992][ T1646] RIP: 0033:0x40770c [ 722.025994][ T1646] RSP: 002b:00007f38d9274190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 722.037270][ T1646] RAX: ffffffffffffffda RBX: 00007f38d9274270 RCX: 000000000040770c [ 722.047436][ T1646] RDX: 0000000000000024 RSI: 00007f38d92742c0 RDI: 0000000000000009 [ 722.058510][ T1646] RBP: 0000000000000000 R08: 00007f38d92741d4 R09: 000000000000000c [ 722.068523][ T1646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 722.078988][ T1646] R13: 0000000000000009 R14: 0000000000000000 R15: 00007f38d92742c0 [ 722.089532][ T1646] INFO: task syz-executor909:8446 blocked for more than 143 seconds. [ 722.099707][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 722.107487][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 722.118398][ T1646] task:syz-executor909 state:D stack:26296 pid: 8446 ppid: 8437 flags:0x00000004 [ 722.129666][ T1646] Call Trace: [ 722.134602][ T1646] __schedule+0x90c/0x21a0 [ 722.139212][ T1646] ? io_schedule_timeout+0x140/0x140 [ 722.147623][ T1646] schedule+0xcf/0x270 [ 722.153453][ T1646] schedule_preempt_disabled+0xf/0x20 [ 722.159027][ T1646] __mutex_lock+0x81a/0x1110 [ 722.166444][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 722.173485][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 722.179402][ T1646] ? __nla_parse+0x3d/0x50 [ 722.188118][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 722.196986][ T1646] nl80211_pre_doit+0x34f/0x630 [ 722.204190][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 722.213041][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 722.218772][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 722.230271][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.236711][ T1646] ? cap_capable+0x1f1/0x280 [ 722.244558][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.253271][ T1646] ? ns_capable+0xde/0x100 [ 722.258132][ T1646] genl_rcv_msg+0x328/0x580 [ 722.266842][ T1646] ? genl_get_cmd+0x480/0x480 [ 722.276101][ T1646] ? nl80211_join_ibss+0x12b0/0x12b0 [ 722.283304][ T1646] ? lock_release+0x710/0x710 [ 722.288118][ T1646] netlink_rcv_skb+0x153/0x420 [ 722.295659][ T1646] ? genl_get_cmd+0x480/0x480 [ 722.302497][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 722.307176][ T1646] genl_rcv+0x24/0x40 [ 722.315643][ T1646] netlink_unicast+0x533/0x7d0 [ 722.322631][ T1646] ? netlink_attachskb+0x870/0x870 [ 722.327807][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 722.336419][ T1646] netlink_sendmsg+0x856/0xd90 [ 722.343169][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 722.348247][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.358005][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 722.365088][ T1646] sock_sendmsg+0xcf/0x120 [ 722.369619][ T1646] ____sys_sendmsg+0x6e8/0x810 [ 722.377182][ T1646] ? kernel_sendmsg+0x50/0x50 [ 722.383926][ T1646] ? do_recvmmsg+0x6c0/0x6c0 [ 722.388612][ T1646] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 722.397813][ T1646] ? stack_trace_consume_entry+0x160/0x160 [ 722.405980][ T1646] ___sys_sendmsg+0xf3/0x170 [ 722.412742][ T1646] ? sendmsg_copy_msghdr+0x160/0x160 [ 722.418101][ T1646] ? __fget_files+0x266/0x3d0 [ 722.425732][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 722.432659][ T1646] ? __fget_files+0x288/0x3d0 [ 722.437408][ T1646] ? __fget_light+0xea/0x280 [ 722.446197][ T1646] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 722.454404][ T1646] __sys_sendmsg+0xe5/0x1b0 [ 722.459002][ T1646] ? __sys_sendmsg_sock+0xb0/0xb0 [ 722.466680][ T1646] ? __do_sys_futex+0x2a2/0x470 [ 722.473553][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 722.481906][ T1646] do_syscall_64+0x2d/0x70 [ 722.486420][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 722.495368][ T1646] RIP: 0033:0x446e69 [ 722.499316][ T1646] RSP: 002b:00007f38d92752f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 722.510676][ T1646] RAX: ffffffffffffffda RBX: 00000000004cb460 RCX: 0000000000446e69 [ 722.518728][ T1646] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007 [ 722.529883][ T1646] RBP: 00000000004cb46c R08: 0000000000000008 R09: 0000000000000000 [ 722.538231][ T1646] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c [ 722.550676][ T1646] R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb468 [ 722.558999][ T1646] INFO: task syz-executor909:8471 blocked for more than 144 seconds. [ 722.571188][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 722.577336][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 722.589139][ T1646] task:syz-executor909 state:D stack:28168 pid: 8471 ppid: 8437 flags:0x00000004 [ 722.600864][ T1646] Call Trace: [ 722.604202][ T1646] __schedule+0x90c/0x21a0 [ 722.608719][ T1646] ? io_schedule_timeout+0x140/0x140 [ 722.618122][ T1646] schedule+0xcf/0x270 [ 722.626128][ T1646] schedule_preempt_disabled+0xf/0x20 [ 722.635312][ T1646] __mutex_lock+0x81a/0x1110 [ 722.641957][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 722.647077][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 722.655776][ T1646] ? __nla_parse+0x3d/0x50 [ 722.662349][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 722.669332][ T1646] nl80211_pre_doit+0x34f/0x630 [ 722.677384][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 722.686654][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 722.694025][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 722.705093][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.713533][ T1646] ? cap_capable+0x1f1/0x280 [ 722.718340][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.727605][ T1646] ? ns_capable+0xde/0x100 [ 722.734696][ T1646] genl_rcv_msg+0x328/0x580 [ 722.742905][ T1646] ? genl_get_cmd+0x480/0x480 [ 722.747711][ T1646] ? nl80211_set_channel+0x70/0x70 [ 722.755758][ T1646] ? lock_release+0x710/0x710 [ 722.762319][ T1646] netlink_rcv_skb+0x153/0x420 [ 722.767695][ T1646] ? genl_get_cmd+0x480/0x480 [ 722.775502][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 722.785971][ T1646] genl_rcv+0x24/0x40 [ 722.793363][ T1646] netlink_unicast+0x533/0x7d0 [ 722.798996][ T1646] ? netlink_attachskb+0x870/0x870 [ 722.808071][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 722.815904][ T1646] netlink_sendmsg+0x856/0xd90 [ 722.824417][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 722.829459][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.840275][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 722.845312][ T1646] sock_sendmsg+0xcf/0x120 [ 722.852864][ T1646] ____sys_sendmsg+0x6e8/0x810 [ 722.857817][ T1646] ? kernel_sendmsg+0x50/0x50 [ 722.866052][ T1646] ? do_recvmmsg+0x6c0/0x6c0 [ 722.872517][ T1646] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 722.878624][ T1646] ___sys_sendmsg+0xf3/0x170 [ 722.886786][ T1646] ? sendmsg_copy_msghdr+0x160/0x160 [ 722.893987][ T1646] ? __fget_files+0x266/0x3d0 [ 722.898750][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 722.906421][ T1646] ? __fget_files+0x288/0x3d0 [ 722.913035][ T1646] ? __fget_light+0xea/0x280 [ 722.917663][ T1646] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 722.926866][ T1646] __sys_sendmsg+0xe5/0x1b0 [ 722.933615][ T1646] ? __sys_sendmsg_sock+0xb0/0xb0 [ 722.938750][ T1646] ? __do_sys_futex+0x2a2/0x470 [ 722.946398][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 722.954300][ T1646] do_syscall_64+0x2d/0x70 [ 722.958948][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 722.969408][ T1646] RIP: 0033:0x446e69 [ 722.975294][ T1646] RSP: 002b:00007f38d92542f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 722.986943][ T1646] RAX: ffffffffffffffda RBX: 00000000004cb470 RCX: 0000000000446e69 [ 722.996830][ T1646] RDX: 0000000000044000 RSI: 0000000020000340 RDI: 0000000000000006 [ 723.006782][ T1646] RBP: 00000000004cb47c R08: 0000000000000000 R09: 0000000000000000 [ 723.016900][ T1646] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c [ 723.027504][ T1646] R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb478 [ 723.037550][ T1646] INFO: task syz-executor909:8477 blocked for more than 144 seconds. [ 723.048460][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 723.056098][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 723.066884][ T1646] task:syz-executor909 state:D stack:28464 pid: 8477 ppid: 8437 flags:0x00000004 [ 723.078306][ T1646] Call Trace: [ 723.083571][ T1646] __schedule+0x90c/0x21a0 [ 723.088058][ T1646] ? io_schedule_timeout+0x140/0x140 [ 723.099964][ T1646] schedule+0xcf/0x270 [ 723.104118][ T1646] schedule_preempt_disabled+0xf/0x20 [ 723.109521][ T1646] __mutex_lock+0x81a/0x1110 [ 723.117965][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 723.124968][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 723.132251][ T1646] ? __nla_parse+0x3d/0x50 [ 723.136774][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 723.147017][ T1646] nl80211_pre_doit+0x34f/0x630 [ 723.153686][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 723.162368][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 723.167986][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 723.178332][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.186560][ T1646] ? cap_capable+0x1f1/0x280 [ 723.193001][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.199410][ T1646] ? ns_capable+0xde/0x100 [ 723.206758][ T1646] genl_rcv_msg+0x328/0x580 [ 723.213326][ T1646] ? genl_get_cmd+0x480/0x480 [ 723.218073][ T1646] ? nl80211_notify_iface+0x180/0x180 [ 723.228211][ T1646] ? lock_release+0x710/0x710 [ 723.235330][ T1646] netlink_rcv_skb+0x153/0x420 [ 723.242445][ T1646] ? genl_get_cmd+0x480/0x480 [ 723.247230][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 723.255064][ T1646] genl_rcv+0x24/0x40 [ 723.259143][ T1646] netlink_unicast+0x533/0x7d0 [ 723.267230][ T1646] ? netlink_attachskb+0x870/0x870 [ 723.274611][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 723.282063][ T1646] netlink_sendmsg+0x856/0xd90 [ 723.286930][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 723.294871][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.303463][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 723.308528][ T1646] sock_sendmsg+0xcf/0x120 [ 723.316587][ T1646] __sys_sendto+0x21c/0x320 [ 723.323344][ T1646] ? __ia32_sys_getpeername+0xb0/0xb0 [ 723.328810][ T1646] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 723.338239][ T1646] ? debug_object_active_state+0x260/0x350 [ 723.346385][ T1646] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 723.357715][ T1646] ? __blkcg_punt_bio_submit+0x1d0/0x1d0 [ 723.365406][ T1646] __x64_sys_sendto+0xdd/0x1b0 [ 723.372226][ T1646] ? lockdep_hardirqs_on+0x79/0x100 [ 723.377534][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 723.386673][ T1646] do_syscall_64+0x2d/0x70 [ 723.393258][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 723.399288][ T1646] RIP: 0033:0x40770c [ 723.406484][ T1646] RSP: 002b:00007f38d9232190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 723.417305][ T1646] RAX: ffffffffffffffda RBX: 00007f38d9232270 RCX: 000000000040770c [ 723.427613][ T1646] RDX: 0000000000000024 RSI: 00007f38d92322c0 RDI: 0000000000000008 [ 723.438075][ T1646] RBP: 0000000000000000 R08: 00007f38d92321d4 R09: 000000000000000c [ 723.448621][ T1646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 723.458753][ T1646] R13: 0000000000000008 R14: 0000000000000000 R15: 00007f38d92322c0 [ 723.469079][ T1646] INFO: task syz-executor909:8478 blocked for more than 145 seconds. [ 723.481851][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 723.487797][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 723.499643][ T1646] task:syz-executor909 state:D stack:28168 pid: 8478 ppid: 8437 flags:0x00000004 [ 723.511260][ T1646] Call Trace: [ 723.514708][ T1646] __schedule+0x90c/0x21a0 [ 723.519228][ T1646] ? io_schedule_timeout+0x140/0x140 [ 723.528719][ T1646] schedule+0xcf/0x270 [ 723.534712][ T1646] schedule_preempt_disabled+0xf/0x20 [ 723.542196][ T1646] __mutex_lock+0x81a/0x1110 [ 723.546877][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 723.555070][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 723.562730][ T1646] ? __nla_parse+0x3d/0x50 [ 723.567288][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 723.577021][ T1646] nl80211_pre_doit+0x34f/0x630 [ 723.583935][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 723.592920][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 723.598562][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 723.609599][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.619269][ T1646] ? cap_capable+0x1f1/0x280 [ 723.627823][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.635983][ T1646] ? ns_capable+0xde/0x100 [ 723.642953][ T1646] genl_rcv_msg+0x328/0x580 [ 723.647536][ T1646] ? genl_get_cmd+0x480/0x480 [ 723.655731][ T1646] ? nl80211_notify_iface+0x180/0x180 [ 723.663279][ T1646] ? lock_release+0x710/0x710 [ 723.668033][ T1646] netlink_rcv_skb+0x153/0x420 [ 723.675936][ T1646] ? genl_get_cmd+0x480/0x480 [ 723.682769][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 723.687474][ T1646] genl_rcv+0x24/0x40 [ 723.694570][ T1646] netlink_unicast+0x533/0x7d0 [ 723.699407][ T1646] ? netlink_attachskb+0x870/0x870 [ 723.707729][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 723.715306][ T1646] netlink_sendmsg+0x856/0xd90 [ 723.722323][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 723.727384][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 723.737261][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 723.745821][ T1646] sock_sendmsg+0xcf/0x120 [ 723.752265][ T1646] ____sys_sendmsg+0x6e8/0x810 [ 723.757193][ T1646] ? kernel_sendmsg+0x50/0x50 [ 723.764877][ T1646] ? do_recvmmsg+0x6c0/0x6c0 [ 723.769584][ T1646] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 723.778704][ T1646] ? stack_trace_consume_entry+0x160/0x160 [ 723.787056][ T1646] ___sys_sendmsg+0xf3/0x170 [ 723.793873][ T1646] ? sendmsg_copy_msghdr+0x160/0x160 [ 723.799268][ T1646] ? __fget_files+0x266/0x3d0 [ 723.807039][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 723.814105][ T1646] ? __fget_files+0x288/0x3d0 [ 723.818882][ T1646] ? __fget_light+0xea/0x280 [ 723.826872][ T1646] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 723.835277][ T1646] __sys_sendmsg+0xe5/0x1b0 [ 723.841944][ T1646] ? __sys_sendmsg_sock+0xb0/0xb0 [ 723.847012][ T1646] ? __do_sys_futex+0x2a2/0x470 [ 723.855030][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 723.863422][ T1646] do_syscall_64+0x2d/0x70 [ 723.867917][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 723.878558][ T1646] RIP: 0033:0x446e69 [ 723.886322][ T1646] RSP: 002b:00007f38d92122f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 723.896918][ T1646] RAX: ffffffffffffffda RBX: 00000000004cb490 RCX: 0000000000446e69 [ 723.906863][ T1646] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000009 [ 723.917113][ T1646] RBP: 00000000004cb49c R08: 0000000000000008 R09: 0000000000000000 [ 723.927366][ T1646] R10: 0000000000000003 R11: 0000000000000246 R12: 000000000049b07c [ 723.937591][ T1646] R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb498 [ 723.947758][ T1646] INFO: task syz-executor909:8447 blocked for more than 145 seconds. [ 723.958920][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 723.966795][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 723.977873][ T1646] task:syz-executor909 state:D stack:26400 pid: 8447 ppid: 8436 flags:0x00004004 [ 723.989332][ T1646] Call Trace: [ 723.994630][ T1646] __schedule+0x90c/0x21a0 [ 723.999100][ T1646] ? io_schedule_timeout+0x140/0x140 [ 724.008910][ T1646] schedule+0xcf/0x270 [ 724.015186][ T1646] schedule_preempt_disabled+0xf/0x20 [ 724.022873][ T1646] __mutex_lock+0x81a/0x1110 [ 724.027589][ T1646] ? devinet_ioctl+0x1b3/0x1c90 [ 724.035757][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 724.043303][ T1646] ? dev_load+0xab/0x200 [ 724.047746][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 724.055865][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.064240][ T1646] ? cap_capable+0x1f1/0x280 [ 724.068969][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.078796][ T1646] ? security_capable+0x8f/0xc0 [ 724.085841][ T1646] devinet_ioctl+0x1b3/0x1c90 [ 724.092562][ T1646] ? inet_ifa_byprefix+0x2a0/0x2a0 [ 724.097737][ T1646] inet_ioctl+0x1ea/0x330 [ 724.104841][ T1646] ? inet_dgram_connect+0x2d0/0x2d0 [ 724.111786][ T1646] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 724.118213][ T1646] ? tomoyo_path_number_perm+0x24e/0x590 [ 724.126687][ T1646] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 724.135623][ T1646] sock_do_ioctl+0xcb/0x2d0 [ 724.142603][ T1646] ? compat_ifr_data_ioctl+0x150/0x150 [ 724.148247][ T1646] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 724.158658][ T1646] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 724.166940][ T1646] ? do_vfs_ioctl+0x27d/0x1090 [ 724.173588][ T1646] ? generic_block_fiemap+0x60/0x60 [ 724.178876][ T1646] ? selinux_inode_getsecctx+0x90/0x90 [ 724.187222][ T1646] sock_ioctl+0x477/0x6a0 [ 724.193458][ T1646] ? vlan_ioctl_set+0x30/0x30 [ 724.199556][ T1646] ? __fget_files+0x288/0x3d0 [ 724.207095][ T1646] ? security_file_ioctl+0x5c/0xb0 [ 724.214030][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.222263][ T1646] ? vlan_ioctl_set+0x30/0x30 [ 724.227019][ T1646] __x64_sys_ioctl+0x193/0x200 [ 724.234466][ T1646] do_syscall_64+0x2d/0x70 [ 724.238973][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 724.247574][ T1646] RIP: 0033:0x446d47 [ 724.253376][ T1646] RSP: 002b:00007f38d9274218 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 724.265252][ T1646] RAX: ffffffffffffffda RBX: 00007f38d9274240 RCX: 0000000000446d47 [ 724.275471][ T1646] RDX: 00007f38d9274240 RSI: 0000000000008914 RDI: 000000000000000a [ 724.285755][ T1646] RBP: 00007f38d9274270 R08: 0000000000000000 R09: 0000000000000000 [ 724.296001][ T1646] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000009 [ 724.306075][ T1646] R13: 0000000000000008 R14: 0000000000000021 R15: 000000000000000a [ 724.315960][ T1646] INFO: task syz-executor909:8448 blocked for more than 146 seconds. [ 724.327022][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 724.334557][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 724.345137][ T1646] task:syz-executor909 state:D stack:26440 pid: 8448 ppid: 8433 flags:0x00000004 [ 724.356213][ T1646] Call Trace: [ 724.359575][ T1646] __schedule+0x90c/0x21a0 [ 724.366710][ T1646] ? io_schedule_timeout+0x140/0x140 [ 724.374030][ T1646] schedule+0xcf/0x270 [ 724.378192][ T1646] schedule_preempt_disabled+0xf/0x20 [ 724.386431][ T1646] __mutex_lock+0x81a/0x1110 [ 724.394371][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 724.399558][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 724.408414][ T1646] ? __nla_parse+0x3d/0x50 [ 724.416323][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 724.425108][ T1646] nl80211_pre_doit+0x34f/0x630 [ 724.431925][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 724.438756][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 724.447102][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 724.456430][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.464680][ T1646] ? cap_capable+0x1f1/0x280 [ 724.469343][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.478737][ T1646] ? ns_capable+0xde/0x100 [ 724.485229][ T1646] genl_rcv_msg+0x328/0x580 [ 724.491781][ T1646] ? genl_get_cmd+0x480/0x480 [ 724.496527][ T1646] ? nl80211_notify_iface+0x180/0x180 [ 724.504814][ T1646] ? lock_release+0x710/0x710 [ 724.509597][ T1646] netlink_rcv_skb+0x153/0x420 [ 724.517171][ T1646] ? genl_get_cmd+0x480/0x480 [ 724.525217][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 724.531728][ T1646] genl_rcv+0x24/0x40 [ 724.535778][ T1646] netlink_unicast+0x533/0x7d0 [ 724.543308][ T1646] ? netlink_attachskb+0x870/0x870 [ 724.548520][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 724.556917][ T1646] netlink_sendmsg+0x856/0xd90 [ 724.563918][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 724.568968][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.578393][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 724.585412][ T1646] sock_sendmsg+0xcf/0x120 [ 724.591585][ T1646] __sys_sendto+0x21c/0x320 [ 724.596202][ T1646] ? __ia32_sys_getpeername+0xb0/0xb0 [ 724.604483][ T1646] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 724.612517][ T1646] ? debug_object_active_state+0x260/0x350 [ 724.618456][ T1646] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 724.627893][ T1646] ? __blkcg_punt_bio_submit+0x1d0/0x1d0 [ 724.635504][ T1646] __x64_sys_sendto+0xdd/0x1b0 [ 724.642447][ T1646] ? lockdep_hardirqs_on+0x79/0x100 [ 724.647753][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 724.658689][ T1646] do_syscall_64+0x2d/0x70 [ 724.665230][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 724.674785][ T1646] RIP: 0033:0x40770c [ 724.678812][ T1646] RSP: 002b:00007f38d9274190 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 724.690069][ T1646] RAX: ffffffffffffffda RBX: 00007f38d9274270 RCX: 000000000040770c [ 724.698126][ T1646] RDX: 0000000000000024 RSI: 00007f38d92742c0 RDI: 0000000000000009 [ 724.709360][ T1646] RBP: 0000000000000000 R08: 00007f38d92741d4 R09: 000000000000000c [ 724.719389][ T1646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 724.729375][ T1646] R13: 0000000000000009 R14: 0000000000000000 R15: 00007f38d92742c0 [ 724.739499][ T1646] INFO: task syz-executor909:8464 blocked for more than 146 seconds. [ 724.751066][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 724.757039][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 724.768459][ T1646] task:syz-executor909 state:D stack:28168 pid: 8464 ppid: 8433 flags:0x00004004 [ 724.779788][ T1646] Call Trace: [ 724.785229][ T1646] __schedule+0x90c/0x21a0 [ 724.789746][ T1646] ? io_schedule_timeout+0x140/0x140 [ 724.795255][ T1646] ? rwlock_bug.part.0+0x90/0x90 [ 724.801464][ T1646] schedule+0xcf/0x270 [ 724.805635][ T1646] schedule_preempt_disabled+0xf/0x20 [ 724.811152][ T1646] __mutex_lock+0x81a/0x1110 [ 724.816559][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 724.821768][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 724.827812][ T1646] ? __nla_parse+0x3d/0x50 [ 724.832436][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 724.839941][ T1646] nl80211_pre_doit+0x34f/0x630 [ 724.844883][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 724.852350][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 724.858004][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 724.865559][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.872565][ T1646] ? cap_capable+0x1f1/0x280 [ 724.877358][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.883775][ T1646] ? ns_capable+0xde/0x100 [ 724.888870][ T1646] genl_rcv_msg+0x328/0x580 [ 724.893525][ T1646] ? genl_get_cmd+0x480/0x480 [ 724.898876][ T1646] ? nl80211_set_channel+0x70/0x70 [ 724.904558][ T1646] ? lock_release+0x710/0x710 [ 724.909314][ T1646] netlink_rcv_skb+0x153/0x420 [ 724.916683][ T1646] ? genl_get_cmd+0x480/0x480 [ 724.921560][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 724.926799][ T1646] genl_rcv+0x24/0x40 [ 724.930931][ T1646] netlink_unicast+0x533/0x7d0 [ 724.936429][ T1646] ? netlink_attachskb+0x870/0x870 [ 724.941729][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 724.947767][ T1646] netlink_sendmsg+0x856/0xd90 [ 724.952686][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 724.958365][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 724.964810][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 724.970464][ T1646] sock_sendmsg+0xcf/0x120 [ 724.974975][ T1646] ____sys_sendmsg+0x6e8/0x810 [ 724.979787][ T1646] ? kernel_sendmsg+0x50/0x50 [ 724.985327][ T1646] ? do_recvmmsg+0x6c0/0x6c0 [ 724.990092][ T1646] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 724.996671][ T1646] ? lock_chain_count+0x20/0x20 [ 725.001721][ T1646] ___sys_sendmsg+0xf3/0x170 [ 725.006927][ T1646] ? sendmsg_copy_msghdr+0x160/0x160 [ 725.012405][ T1646] ? __fget_files+0x266/0x3d0 [ 725.017731][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 725.022753][ T1646] ? __fget_files+0x288/0x3d0 [ 725.028078][ T1646] ? __fget_light+0xea/0x280 [ 725.032803][ T1646] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 725.039714][ T1646] __sys_sendmsg+0xe5/0x1b0 [ 725.046160][ T1646] ? __sys_sendmsg_sock+0xb0/0xb0 [ 725.051367][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 725.057871][ T1646] do_syscall_64+0x2d/0x70 [ 725.062487][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 725.068780][ T1646] RIP: 0033:0x446e69 [ 725.073178][ T1646] RSP: 002b:00007f38d92332f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 725.082685][ T1646] RAX: ffffffffffffffda RBX: 00000000004cb480 RCX: 0000000000446e69 [ 725.090816][ T1646] RDX: 0000000000044000 RSI: 0000000020000340 RDI: 0000000000000006 [ 725.099720][ T1646] RBP: 00000000004cb48c R08: 00007f38d9233700 R09: 0000000000000000 [ 725.107891][ T1646] R10: 00007f38d9233700 R11: 0000000000000246 R12: 000000000049b07c [ 725.116686][ T1646] R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb488 [ 725.125644][ T1646] INFO: task syz-executor909:8449 blocked for more than 147 seconds. [ 725.135095][ T1646] Not tainted 5.11.0-rc6-syzkaller #0 [ 725.141491][ T1646] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 725.150299][ T1646] task:syz-executor909 state:D stack:26912 pid: 8449 ppid: 8434 flags:0x00000004 [ 725.160008][ T1646] Call Trace: [ 725.163347][ T1646] __schedule+0x90c/0x21a0 [ 725.167861][ T1646] ? io_schedule_timeout+0x140/0x140 [ 725.175632][ T1646] schedule+0xcf/0x270 [ 725.179965][ T1646] schedule_preempt_disabled+0xf/0x20 [ 725.186148][ T1646] __mutex_lock+0x81a/0x1110 [ 725.190897][ T1646] ? nl80211_pre_doit+0x34f/0x630 [ 725.196753][ T1646] ? mutex_lock_io_nested+0xf60/0xf60 [ 725.202354][ T1646] ? __nla_parse+0x3d/0x50 [ 725.207673][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 725.214636][ T1646] nl80211_pre_doit+0x34f/0x630 [ 725.220541][ T1646] ? nl80211_dump_wiphy_parse.constprop.0+0x580/0x580 [ 725.227394][ T1646] genl_family_rcv_msg_doit+0x1ee/0x320 [ 725.233108][ T1646] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 725.241527][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 725.247910][ T1646] ? cap_capable+0x1f1/0x280 [ 725.252653][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 725.259772][ T1646] ? ns_capable+0xde/0x100 [ 725.264373][ T1646] genl_rcv_msg+0x328/0x580 [ 725.268941][ T1646] ? genl_get_cmd+0x480/0x480 [ 725.274435][ T1646] ? nl80211_join_ibss+0x12b0/0x12b0 [ 725.279895][ T1646] ? lock_release+0x710/0x710 [ 725.285365][ T1646] netlink_rcv_skb+0x153/0x420 [ 725.290327][ T1646] ? genl_get_cmd+0x480/0x480 [ 725.295762][ T1646] ? netlink_ack+0xaa0/0xaa0 [ 725.302478][ T1646] genl_rcv+0x24/0x40 [ 725.306527][ T1646] netlink_unicast+0x533/0x7d0 [ 725.311586][ T1646] ? netlink_attachskb+0x870/0x870 [ 725.317553][ T1646] ? _copy_from_iter_full+0x275/0x850 [ 725.323141][ T1646] netlink_sendmsg+0x856/0xd90 [ 725.328746][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 725.334472][ T1646] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 725.340883][ T1646] ? netlink_unicast+0x7d0/0x7d0 [ 725.346657][ T1646] sock_sendmsg+0xcf/0x120 [ 725.351212][ T1646] ____sys_sendmsg+0x6e8/0x810 [ 725.356816][ T1646] ? kernel_sendmsg+0x50/0x50 [ 725.361671][ T1646] ? do_recvmmsg+0x6c0/0x6c0 [ 725.366874][ T1646] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 725.373006][ T1646] ___sys_sendmsg+0xf3/0x170 [ 725.378649][ T1646] ? sendmsg_copy_msghdr+0x160/0x160 [ 725.384114][ T1646] ? __fget_files+0x266/0x3d0 [ 725.389573][ T1646] ? lock_downgrade+0x6d0/0x6d0 [ 725.394599][ T1646] ? __fget_files+0x288/0x3d0 [ 725.400102][ T1646] ? __fget_light+0xea/0x280 [ 725.404797][ T1646] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 725.411241][ T1646] __sys_sendmsg+0xe5/0x1b0 [ 725.418483][ T1646] ? __sys_sendmsg_sock+0xb0/0xb0 [ 725.423730][ T1646] ? __do_sys_futex+0x2a2/0x470 [ 725.429215][ T1646] ? syscall_enter_from_user_mode+0x1d/0x50 [ 725.437816][ T1646] do_syscall_64+0x2d/0x70 [ 725.442689][ T1646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 725.449353][ T1646] RIP: 0033:0x446e69 [ 725.453434][ T1646] RSP: 002b:00007f38d92752f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 725.463000][ T1646] RAX: ffffffffffffffda RBX: 00000000004cb460 RCX: 0000000000446e69 [ 725.471141][ T1646] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007 [ 725.479939][ T1646] RBP: 00000000004cb46c R08: 0000000000000008 R09: 0000000000000000 [ 725.487979][ T1646] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b07c [ 725.496575][ T1646] R13: 0031313230386c6e R14: ffffffff00000000 R15: 00000000004cb468 [ 725.504777][ T1646] [ 725.504777][ T1646] Showing all locks held in the system: [ 725.514675][ T1646] 1 lock held by khungtaskd/1646: [ 725.519771][ T1646] #0: ffffffff8bd73da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 725.530702][ T1646] 3 locks held by kworker/0:3/3919: [ 725.535987][ T1646] #0: ffff888010c63d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 [ 725.547875][ T1646] #1: ffffc90002b57da8 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 [ 725.559596][ T1646] #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xb/0x60 [ 725.570892][ T1646] 1 lock held by in:imklog/8358: [ 725.575998][ T1646] #0: ffff88801482cbb0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 725.585515][ T1646] 2 locks held by syz-executor909/8441: [ 725.591860][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.600383][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.610270][ T1646] 2 locks held by syz-executor909/8446: [ 725.616587][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.625116][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.635230][ T1646] 2 locks held by syz-executor909/8471: [ 725.641059][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.649992][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.659612][ T1646] 2 locks held by syz-executor909/8477: [ 725.665346][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.675087][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.685243][ T1646] 2 locks held by syz-executor909/8478: [ 725.693036][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.702127][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.712346][ T1646] 1 lock held by syz-executor909/8447: [ 725.717844][ T1646] #0: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1b3/0x1c90 [ 725.728182][ T1646] 2 locks held by syz-executor909/8448: [ 725.734354][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.743335][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.753668][ T1646] 3 locks held by syz-executor909/8463: [ 725.759350][ T1646] 2 locks held by syz-executor909/8464: [ 725.765568][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.774961][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.785131][ T1646] 2 locks held by syz-executor909/8449: [ 725.791296][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.800878][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.810980][ T1646] 2 locks held by syz-executor909/8466: [ 725.816581][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.827180][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.837360][ T1646] 2 locks held by syz-executor909/8469: [ 725.844109][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.853088][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.863094][ T1646] 2 locks held by syz-executor909/8474: [ 725.868723][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.877779][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 725.887885][ T1646] 1 lock held by systemd-udevd/8457: [ 725.893775][ T1646] #0: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x41c/0xc40 [ 725.903315][ T1646] 3 locks held by kworker/1:1/8459: [ 725.908565][ T1646] #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 [ 725.920503][ T1646] #1: ffffc90001a37da8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 [ 725.931960][ T1646] #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 [ 725.942268][ T1646] 3 locks held by kworker/0:0/8461: [ 725.947494][ T1646] #0: ffff888023e67938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 [ 725.961478][ T1646] #1: ffffc90001a57da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 [ 725.974523][ T1646] #2: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1280 [ 725.984742][ T1646] 2 locks held by syz-executor909/8468: [ 725.991322][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 725.999774][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.010912][ T1646] 2 locks held by syz-executor909/8473: [ 726.016504][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.025845][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.035886][ T1646] 2 locks held by syz-executor909/8479: [ 726.042066][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.051225][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.061466][ T1646] 2 locks held by syz-executor909/8481: [ 726.067065][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.076021][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.086398][ T1646] 2 locks held by syz-executor909/8483: [ 726.094176][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.103178][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.113194][ T1646] 2 locks held by syz-executor909/8484: [ 726.118811][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.127790][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.137930][ T1646] 2 locks held by syz-executor909/8485: [ 726.144500][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.153517][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.163756][ T1646] 2 locks held by syz-executor909/8486: [ 726.169397][ T1646] #0: ffffffff8d4ead50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 726.178674][ T1646] #1: ffffffff8d45bca8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x34f/0x630 [ 726.189235][ T1646] [ 726.192112][ T1646] ============================================= [ 726.192112][ T1646] [ 726.202046][ T1646] NMI backtrace for cpu 0 [ 726.206429][ T1646] CPU: 0 PID: 1646 Comm: khungtaskd Not tainted 5.11.0-rc6-syzkaller #0 [ 726.214782][ T1646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.224871][ T1646] Call Trace: [ 726.228184][ T1646] dump_stack+0x107/0x163 [ 726.232630][ T1646] nmi_cpu_backtrace.cold+0x44/0xd7 [ 726.237865][ T1646] ? lapic_can_unplug_cpu+0x80/0x80 [ 726.243173][ T1646] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 726.249243][ T1646] watchdog+0xd43/0xfa0 [ 726.253433][ T1646] ? reset_hung_task_detector+0x30/0x30 [ 726.259015][ T1646] kthread+0x3b1/0x4a0 [ 726.263130][ T1646] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 726.270097][ T1646] ret_from_fork+0x1f/0x30 [ 726.274874][ T1646] Sending NMI from CPU 0 to CPUs 1: [ 726.280777][ C1] NMI backtrace for cpu 1 [ 726.280788][ C1] CPU: 1 PID: 4882 Comm: systemd-journal Not tainted 5.11.0-rc6-syzkaller #0 [ 726.280799][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.280809][ C1] RIP: 0010:lock_is_held_type+0xf3/0x120 [ 726.280820][ C1] Code: a0 aa 4b 89 e8 0e 0d 00 00 b8 ff ff ff ff 65 0f c1 05 91 8f 06 77 83 f8 01 75 1b ff 34 24 9d 48 83 c4 08 44 89 e8 5b 5d 41 5c <41> 5d 41 5e 41 5f c3 45 31 ed eb c7 0f 0b 48 c7 c7 e0 aa 4b 89 e8 [ 726.280836][ C1] RSP: 0018:ffffc90001127c88 EFLAGS: 00000292 [ 726.280852][ C1] RAX: 0000000000000000 RBX: 1ffff92000224f99 RCX: 0000000000000001 [ 726.280861][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 726.280870][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8da3b38f [ 726.280879][ C1] R10: fffffbfff1b47671 R11: 0000000000000000 R12: 0000000000000001 [ 726.280889][ C1] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 [ 726.280898][ C1] FS: 00007f025d2d38c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 726.280908][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 726.280916][ C1] CR2: 00007f025a6ed010 CR3: 00000000157b9000 CR4: 00000000001506e0 [ 726.280925][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 726.280934][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 726.280942][ C1] Call Trace: [ 726.280948][ C1] rcu_read_lock_sched_held+0x3a/0x70 [ 726.280954][ C1] lock_acquire+0x5d2/0x720 [ 726.280960][ C1] ? lock_release+0x710/0x710 [ 726.280967][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 726.280973][ C1] fs_reclaim_acquire+0x117/0x150 [ 726.280980][ C1] ? fs_reclaim_acquire+0xf7/0x150 [ 726.280986][ C1] kmem_cache_alloc+0x36/0x4c0 [ 726.280992][ C1] ? seccomp_notify_ioctl+0xdc0/0xdc0 [ 726.280999][ C1] getname_flags.part.0+0x50/0x4f0 [ 726.281005][ C1] getname_flags+0x9a/0xe0 [ 726.281011][ C1] do_mkdirat+0x8d/0x2d0 [ 726.281017][ C1] ? user_path_create+0xf0/0xf0 [ 726.281023][ C1] ? __secure_computing+0x104/0x360 [ 726.281030][ C1] do_syscall_64+0x2d/0x70 [ 726.281036][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 726.281043][ C1] RIP: 0033:0x7f025c58e687 [ 726.281054][ C1] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 726.281070][ C1] RSP: 002b:00007fff4c70c6f8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 [ 726.281085][ C1] RAX: ffffffffffffffda RBX: 00007fff4c70f610 RCX: 00007f025c58e687 [ 726.281094][ C1] RDX: 00007f025cfffa00 RSI: 00000000000001ed RDI: 000055fb468008c0 [ 726.281103][ C1] RBP: 00007fff4c70c730 R08: 0000000000000000 R09: 0000000000000000 [ 726.281113][ C1] R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 [ 726.281122][ C1] R13: 0000000000000000 R14: 00007fff4c70f610 R15: 00007fff4c70cc20 [ 726.284521][ T1646] Kernel panic - not syncing: hung_task: blocked tasks [ 726.572803][ T1646] CPU: 0 PID: 1646 Comm: khungtaskd Not tainted 5.11.0-rc6-syzkaller #0 [ 726.581162][ T1646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.591235][ T1646] Call Trace: [ 726.594530][ T1646] dump_stack+0x107/0x163 [ 726.598888][ T1646] panic+0x306/0x73d [ 726.602801][ T1646] ? __warn_printk+0xf3/0xf3 [ 726.607510][ T1646] ? lapic_can_unplug_cpu+0x80/0x80 [ 726.612723][ T1646] ? preempt_schedule_thunk+0x16/0x18 [ 726.618121][ T1646] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 726.624310][ T1646] ? watchdog.cold+0x5/0x158 [ 726.628988][ T1646] watchdog.cold+0x16/0x158 [ 726.633531][ T1646] ? reset_hung_task_detector+0x30/0x30 [ 726.639108][ T1646] kthread+0x3b1/0x4a0 [ 726.646671][ T1646] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 726.652593][ T1646] ret_from_fork+0x1f/0x30 [ 726.657822][ T1646] Kernel Offset: disabled [ 726.662297][ T1646] Rebooting in 86400 seconds..