INFO: task syz-executor.4:5642 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:28128 pid:5642  tgid:5639  ppid:5109   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 register_nexthop_notifier+0x1b/0x70 net/ipv4/nexthop.c:3871
 ops_init+0xb9/0x650 net/core/net_namespace.c:139
 setup_net+0x435/0xb40 net/core/net_namespace.c:343
 copy_net_ns+0x2f0/0x670 net/core/net_namespace.c:508
 create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
 ksys_unshare+0x419/0x970 kernel/fork.c:3323
 __do_sys_unshare kernel/fork.c:3394 [inline]
 __se_sys_unshare kernel/fork.c:3392 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3392
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8aae7cf69
RSP: 002b:00007fe8abc0e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fe8aafb4120 RCX: 00007fe8aae7cf69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000064000600
RBP: 00007fe8aaeda6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe8aafb4120 R15: 00007fff4c1edbd8
 </TASK>
INFO: task syz-executor.1:5648 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:25648 pid:5648  tgid:5648  ppid:5110   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 __tty_hangup.part.0+0xbe/0x8c0 drivers/tty/tty_io.c:590
 __tty_hangup drivers/tty/tty_io.c:697 [inline]
 tty_vhangup drivers/tty/tty_io.c:700 [inline]
 tty_vhangup+0x21/0x30 drivers/tty/tty_io.c:697
 pty_close+0x3a3/0x4f0 drivers/tty/pty.c:79
 tty_release+0x3ad/0x1420 drivers/tty/tty_io.c:1760
 __fput+0x408/0xbb0 fs/file_table.c:422
 __fput_sync+0x47/0x50 fs/file_table.c:507
 __do_sys_close fs/open.c:1555 [inline]
 __se_sys_close fs/open.c:1540 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1540
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc23587be5a
RSP: 002b:00007ffeb645bfa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc23587be5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fc2359b5980 R08: 00000000813267a9 R09: 00007fc23662d080
R10: 0000000000000016 R11: 0000000000000293 R12: 0000000000029afc
R13: 00007fc2359b3f8c R14: 0000000000000032 R15: 00007fc2359b5980
 </TASK>
INFO: task syz-executor.1:5650 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27680 pid:5650  tgid:5648  ppid:5110   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 slip_open+0xe1/0x1140 drivers/net/slip/slip.c:803
 tty_ldisc_open+0x9c/0x120 drivers/tty/tty_ldisc.c:432
 tty_set_ldisc+0x318/0x720 drivers/tty/tty_ldisc.c:563
 tiocsetd drivers/tty/tty_io.c:2439 [inline]
 tty_ioctl+0xbdc/0x15f0 drivers/tty/tty_io.c:2739
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc23587cf69
RSP: 002b:00007fc23662c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc2359b3f80 RCX: 00007fc23587cf69
RDX: 0000000020000140 RSI: 0000000000005423 RDI: 0000000000000004
RBP: 00007fc2358da6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc2359b3f80 R15: 00007ffeb645bed8
 </TASK>
INFO: task syz-executor.3:5685 blocked for more than 145 seconds.