INFO: task kworker/R-netns:7 blocked for more than 146 seconds.
      Not tainted 6.13.0-syzkaller-04058-g05d91cdb1f91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-netns state:D stack:24016 pid:7     tgid:7     ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5373 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6760
 __schedule_loop kernel/sched/core.c:6837 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6852
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 mpls_net_exit+0x7d/0x2a0 net/mpls/af_mpls.c:2706
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x812/0xd60 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 rescuer_thread+0x63f/0x10a0 kernel/workqueue.c:3494
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz.0.881:8566 blocked for more than 154 seconds.
      Not tainted 6.13.0-syzkaller-04058-g05d91cdb1f91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.881       state:D stack:25984 pid:8566  tgid:8565  ppid:5848   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5373 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6760
 __schedule_loop kernel/sched/core.c:6837 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6852
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16664
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1110 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xaaa/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:728
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
 ___sys_sendmsg net/socket.c:2622 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2654
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe86e78cd29
RSP: 002b:00007fe86f6b0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e