INFO: task syz.0.511:9099 blocked for more than 144 seconds.
      Not tainted 6.15.0-rc4-syzkaller-ge0f4c8dd9d2d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.511       state:D stack:0     pid:9099  tgid:9098  ppid:6501   task_flags:0x400140 flags:0x00000001
Call trace:
 __switch_to+0x404/0x778 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678
 __mutex_lock kernel/locking/mutex.c:746 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798
 genl_lock net/netlink/genetlink.c:35 [inline]
 genl_op_lock net/netlink/genetlink.c:60 [inline]
 genl_rcv_msg+0xf4/0x624 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x230/0x414 net/netlink/af_netlink.c:2534
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg net/socket.c:727 [inline]
 __sys_sendto+0x36c/0x4f4 net/socket.c:2180
 __do_sys_sendto net/socket.c:2187 [inline]
 __se_sys_sendto net/socket.c:2183 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2183
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by kthreadd/2:
1 lock held by kworker/R-kvfre/6:
 #0: ffff80008f390348 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x40/0x348 kernel/workqueue.c:2678
2 locks held by kworker/u8:0/12:
3 locks held by kworker/u8:1/13:
1 lock held by kworker/R-mm_pe/14:
 #0: ffff80008f390348 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline]
 #0: ffff80008f390348 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x86c/0xec8 kernel/workqueue.c:3529
1 lock held by khungtaskd/32:
 #0: ffff80008f4e7d20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
1 lock held by kworker/R-write/34:
 #0: ffff80008f390348 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x40/0x348 kernel/workqueue.c:2678
3 locks held by kworker/u8:2/44:
3 locks held by kworker/u8:3/45:
3 locks held by kworker/u8:4/161:
3 locks held by kworker/u8:5/226:
3 locks held by kworker/u8:6/259:
3 locks held by kworker/u8:7/314:
3 locks held by kworker/u8:8/645:
3 locks held by kworker/u8:9/749:
3 locks held by kworker/u8:10/2254:
1 lock held by kworker/R-dm_bu/3411:
 #0: ffff80008f390348 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x40/0x348 kernel/workqueue.c:2678
3 locks held by kworker/R-ipv6_/4142:
 #0: ffff0000d362d948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a0797ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff8000924681e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
6 locks held by kworker/R-bat_e/4223:
1 lock held by klogd/6095: