INFO: task dhcpcd:3989 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:0 pid:3989 ppid:1 flags:0x00000804 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 nl80211_pre_doit+0x70/0x760 net/wireless/nl80211.c:16235 genl_family_rcv_msg_doit+0x1b4/0x2f4 net/netlink/genetlink.c:751 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x444/0x62c net/netlink/genetlink.c:850 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x25c/0x320 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task kworker/1:4:4375 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:4375 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xbc/0x10e4 net/ipv6/addrconf.c:4131 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:9:5690 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:9 state:D stack:0 pid:5690 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xbc/0x10e4 net/ipv6/addrconf.c:4131 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task syz-executor:17280 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:17280 ppid:1 flags:0x00000009 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x304/0x3fc net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz-executor:17552 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:17552 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 devinet_ioctl+0x2b8/0x17e0 net/ipv4/devinet.c:1081 inet_ioctl+0x304/0x4d8 net/ipv4/af_inet.c:1008 sock_do_ioctl+0xf8/0x240 net/socket.c:1204 sock_ioctl+0x5c4/0x840 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz-executor:17553 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:17553 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x304/0x3fc net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz-executor:17569 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:17569 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x304/0x3fc net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task kworker/u4:8:19720 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:8 state:D stack:0 pid:19720 ppid:2 flags:0x00000008 Workqueue: events_unbound linkwatch_event Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 linkwatch_event+0x14/0x68 net/core/link_watch.c:263 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task syz.6.5739:20041 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.5739 state:D stack:0 pid:20041 ppid:17290 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 nl80211_dump_wiphy+0x58/0x5ec net/wireless/nl80211.c:3034 netlink_dump+0x54c/0xafc net/netlink/af_netlink.c:2236 __netlink_dump_start+0x47c/0x6a4 net/netlink/af_netlink.c:2338 genl_family_rcv_msg_dumpit+0x250/0x2c0 net/netlink/genetlink.c:714 genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x40c/0x62c net/netlink/genetlink.c:850 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x25c/0x320 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 4 locks held by kworker/u4:1/11: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff80001c887c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff800017725110 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x12c/0xa74 net/core/net_namespace.c:594 #3: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by rcu_tasks_kthre/12: #0: ffff800015297770 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015297f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015296e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 1 lock held by klogd/3924: #0: ffff00019f6f1198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] #0: ffff00019f6f1198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] #0: ffff00019f6f1198 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1645 [inline] #0: ffff00019f6f1198 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2b8/0x1b18 kernel/sched/core.c:6477 2 locks held by dhcpcd/3989: #0: ffff80001778d4f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by getty/4078: #0: ffff0000d6ed9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80002079b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198 3 locks held by kworker/1:4/4375: #0: ffff0000d6303938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000210d7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:9/5690: #0: ffff0000d6303938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800021807c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:12/16481: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800021d37c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/u4:7/17250: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800021d67c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/17280: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/17552: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/17553: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/17569: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 3 locks held by kworker/u4:8/19720: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800022497c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by syz.6.5739/20041: #0: ffff80001778d4f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff0000dc667690 (nlk_cb_mutex-GENERIC){+.+.}-{3:3}, at: __netlink_dump_start+0x104/0x6a4 net/netlink/af_netlink.c:2305 #2: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/20043: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20053: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20062: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20067: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20081: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20090: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20101: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20109: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20120: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20124: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20137: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 1 lock held by syz-executor/20147: #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000177317c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 =============================================