INFO: task kworker/1:3:3874 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:3874 ppid:2 flags:0x00000008 Workqueue: events switchdev_deferred_process_work Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task dhcpcd:3966 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:0 pid:3966 ppid:3965 flags:0x00000004 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 netlink_dump+0xd0/0xac8 net/netlink/af_netlink.c:2180 netlink_recvmsg+0x538/0xdfc net/netlink/af_netlink.c:1956 ____sys_recvmsg+0x234/0x69c ___sys_recvmsg net/socket.c:2780 [inline] __sys_recvmsg+0x27c/0x350 net/socket.c:2810 __do_sys_recvmsg net/socket.c:2820 [inline] __se_sys_recvmsg net/socket.c:2817 [inline] __arm64_sys_recvmsg+0x80/0x94 net/socket.c:2817 __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+0x58/0x168 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/1:1:4341 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:4341 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0xd0/0x1390 net/ipv6/addrconf.c:4115 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task kworker/u4:6:4367 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:6 state:D stack:0 pid:4367 ppid:2 flags:0x00000008 Workqueue: events_unbound linkwatch_event Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task kworker/0:12:4404 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:12 state:D stack:0 pid:4404 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0xd0/0x1390 net/ipv6/addrconf.c:4115 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task syz-executor:10201 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:10201 ppid:1 flags:0x00000009 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0x6e8/0xd94 net/core/rtnetlink.c:6147 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x3b8/0x508 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+0x58/0x168 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:10207 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:10207 ppid:1 flags:0x00000009 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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 ieee80211_register_hw+0x1e60/0x2e98 net/mac80211/main.c:1328 mac80211_hwsim_new_radio+0x1e14/0x3c18 drivers/net/wireless/mac80211_hwsim.c:4582 hwsim_new_radio_nl+0xa44/0xf3c drivers/net/wireless/mac80211_hwsim.c:5176 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x3b8/0x508 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+0x58/0x168 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:10210 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:10210 ppid:1 flags:0x00000001 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0x6e8/0xd94 net/core/rtnetlink.c:6147 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x3b8/0x508 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+0x58/0x168 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:10211 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:10211 ppid:1 flags:0x00000001 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0x6e8/0xd94 net/core/rtnetlink.c:6147 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x3b8/0x508 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+0x58/0x168 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.2.2709:10513 blocked for more than 143 seconds. Not tainted 6.1.118-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.2709 state:D stack:0 pid:10513 ppid:10222 flags:0x00000001 Call trace: __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 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+0x6e8/0xd94 net/core/rtnetlink.c:6147 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c 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+0x58/0x168 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: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015ba5470 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015ba5c70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015ba52a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 3 locks held by kworker/1:3/3874: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff8000233d7c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by dhcpcd/3966: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xd0/0xac8 net/netlink/af_netlink.c:2180 2 locks held by getty/4055: #0: ffff0000d686b098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000200202f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198 3 locks held by kworker/1:1/4341: #0: ffff0000d5a6f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021217c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 5 locks held by kworker/u4:1/4351: #0: ffff0000c03dd138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021237c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017fe86d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x994 net/core/net_namespace.c:566 #3: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff800015baa878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #4: ffff800015baa878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e0/0x77c kernel/rcu/tree_exp.h:962 3 locks held by kworker/u4:3/4366: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021367c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/u4:6/4367: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021307c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:12/4404: #0: ffff0000d5a6f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021547c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/10201: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 3 locks held by syz-executor/10207: #0: ffff80001804f350 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001804f208 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001804f208 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x114/0xc2c net/netlink/genetlink.c:848 #2: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/10210: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10211: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 2 locks held by kworker/1:10/10364: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800024c47c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 1 lock held by syz.2.2709/10513: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10515: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10521: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10525: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10526: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10537: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10545: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10550: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10553: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10554: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10570: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10576: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10584: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10585: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10591: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/10599: #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017ff4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 =============================================