INFO: task syz.2.12:5339 blocked for more than 145 seconds.
      Not tainted 6.12.0-rc3-syzkaller-00168-g6e62807c7fbb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.12        state:D stack:21072 pid:5339  tgid:5338  ppid:5241   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x1895/0x4b30 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6774
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 netdev_wait_allrefs_any net/core/dev.c:10686 [inline]
 netdev_run_todo+0x89e/0x1000 net/core/dev.c:10797
 rtnl_unlock net/core/rtnetlink.c:152 [inline]
 rtnetlink_rcv_msg+0x748/0xcf0 net/core/rtnetlink.c:6676
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2551
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:744
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2607
 ___sys_sendmsg net/socket.c:2661 [inline]
 __sys_sendmsg+0x292/0x380 net/socket.c:2690
 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: 0033:0x7fe1fe57dff9
RSP: 002b:00007fe1ff29d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe1fe735f80 RCX: 00007fe1fe57dff9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000006
RBP: 00007fe1fe5f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe1fe735f80 R15: 00007fffe1e324f8
 </TASK>
INFO: task syz.4.34:5399 blocked for more than 154 seconds.
      Not tainted 6.12.0-rc3-syzkaller-00168-g6e62807c7fbb #0