INFO: task syz-executor.2:10205 can't die for more than 143 seconds.
task:syz-executor.2  state:R  running task     stack:26216 pid:10205 ppid:  7470 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4984 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6265
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6431
 __cond_resched+0x13/0x20 kernel/sched/core.c:8144
 _cond_resched include/linux/sched.h:2025 [inline]
 inet_twsk_purge+0xed/0x7d0 net/ipv4/inet_timewait_sock.c:267
 tcp_sk_exit_batch+0x1d/0xa0 net/ipv4/tcp_ipv4.c:3230
 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:2245
 kernel_clone+0xe7/0xab0 kernel/fork.c:2633
 __do_sys_clone3+0x1ca/0x2e0 kernel/fork.c:2908
 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: 0033:0x7f2228488ae9
RSP: 002b:00007f22259fe188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f222859bf60 RCX: 00007f2228488ae9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200003c0
RBP: 00007f22284e2f45 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb2b5674f R14: 00007f22259fe300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.0:10209 can't die for more than 144 seconds.
task:syz-executor.0  state:D stack:25952 pid:10209 ppid:  9325 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4984 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6265
 lock_chain_count+0x20/0x20 kernel/locking/lockdep.c:3606
 </TASK>
INFO: task syz-executor.4:10206 can't die for more than 148 seconds.
task:syz-executor.4  state:R  running task     stack:26184 pid:10206 ppid:  3538 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4984 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6265
 </TASK>
INFO: task syz-executor.3:10214 can't die for more than 152 seconds.
task:syz-executor.3  state:R  running task     stack:26184 pid:10214 ppid:  9322 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8bb83a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by khugepaged/33:
1 lock held by in:imklog/6224:
2 locks held by agetty/6450:
 #0: ffff8880231a6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
 #1: ffffc90002a682e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
2 locks held by agetty/15063:
 #0: ffff8880343c9098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
 #1: ffffc900047db2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
2 locks held by syz-executor.2/10205:
 #0: ffffffff8d2f8950 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2f5/0x760 net/core/net_namespace.c:466
 #1: ffffffff8bb8ccf0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x44/0x440 kernel/rcu/tree.c:3985
1 lock held by syz-executor.0/10209:
1 lock held by syz-executor.4/10206:
1 lock held by syz-executor.3/10214:

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