INFO: task syz-executor.2:7403 can't die for more than 143 seconds.
task:syz-executor.2  state:R  running task     stack:25392 pid: 7403 ppid:  5868 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4983 [inline]
 __schedule+0xab2/0x4d90 kernel/sched/core.c:6293
 preempt_schedule_notrace+0x5b/0xd0 kernel/sched/core.c:6538
 preempt_schedule_notrace_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:36
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x4ba/0x720 kernel/locking/lockdep.c:5648
 rcu_lock_release include/linux/rcupdate.h:273 [inline]
 rcu_read_unlock include/linux/rcupdate.h:727 [inline]
 inet_twsk_purge+0x503/0x7d0 net/ipv4/inet_timewait_sock.c:299
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x318/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
 copy_process+0x2da7/0x75a0 kernel/fork.c:2196
 kernel_clone+0xe7/0xab0 kernel/fork.c:2584
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2701
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f93f356dae9
RSP: 002b:00007f93f24c2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f93f3681028 RCX: 00007f93f356dae9
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000040000000
RBP: 00007f93f35c7ff7 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf84946ff R14: 00007f93f24c2300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.2:7408 can't die for more than 145 seconds.
task:syz-executor.2  state:R  running task     stack:25352 pid: 7408 ppid:  5868 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4983 [inline]
 __schedule+0xab2/0x4d90 kernel/sched/core.c:6293
 preempt_schedule_notrace+0x5b/0xd0 kernel/sched/core.c:6538
 preempt_schedule_notrace_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:36
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x4ba/0x720 kernel/locking/lockdep.c:5648
 rcu_lock_release include/linux/rcupdate.h:273 [inline]
 rcu_read_unlock include/linux/rcupdate.h:727 [inline]
 inet_twsk_purge+0x503/0x7d0 net/ipv4/inet_timewait_sock.c:299
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x318/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
 copy_process+0x2da7/0x75a0 kernel/fork.c:2196
 kernel_clone+0xe7/0xab0 kernel/fork.c:2584
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2701
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f93f356dae9
RSP: 002b:00007f93f24a1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f93f36810f0 RCX: 00007f93f356dae9
RDX: 0000000020000440 RSI: 0000000020000280 RDI: 0000000040000080
RBP: 00007f93f35c7ff7 R08: 0000000020000880 R09: 0000000000000000
R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf84946ff R14: 00007f93f24a1300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8bb83220 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by systemd-udevd/2970:
1 lock held by in:imklog/6218:
 #0: ffff88801d85d770 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
4 locks held by syz-fuzzer/6512:
2 locks held by syz-fuzzer/6517:
1 lock held by systemd-udevd/15067:
2 locks held by systemd-udevd/15106:
2 locks held by kworker/u4:7/2360:
2 locks held by systemd-udevd/6944:
2 locks held by syz-executor.2/7403:
2 locks held by syz-executor.2/7408:
1 lock held by systemd-udevd/7547:

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