INFO: task syz-executor618:6549 can't die for more than 143 seconds.
task:syz-executor618 state:R  running task     stack:27032 pid: 6549 ppid:  6547 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4955 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6236
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
 __cond_resched+0x13/0x20 kernel/sched/core.c:8121
 _cond_resched include/linux/sched.h:2033 [inline]
 inet_twsk_purge+0xed/0x7d0 net/ipv4/inet_timewait_sock.c:267
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x319/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
 ksys_unshare+0x445/0x920 kernel/fork.c:3127
 __do_sys_unshare kernel/fork.c:3198 [inline]
 __se_sys_unshare kernel/fork.c:3196 [inline]
 __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3196
 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: 0033:0x7f84c54b7ef9
RSP: 002b:00007ffe49773d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84c54b7ef9
RDX: 00007f84c54b7ef9 RSI: ffffffffffffffff RDI: 0000000040000600
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84c547b6d0
R13: 0000000000000000 R14: 00007ffe49773da0 R15: 00007ffe49773d90
 </TASK>
INFO: task syz-executor618:6555 can't die for more than 146 seconds.
task:syz-executor618 state:R  running task     stack:27032 pid: 6555 ppid:  6552 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4955 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6236
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
 __cond_resched+0x13/0x20 kernel/sched/core.c:8121
 _cond_resched include/linux/sched.h:2033 [inline]
 inet_twsk_purge+0xed/0x7d0 net/ipv4/inet_timewait_sock.c:267
 tcp_sk_exit_batch+0x1d/0xa0 net/ipv4/tcp_ipv4.c:3204
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x319/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
 ksys_unshare+0x445/0x920 kernel/fork.c:3127
 __do_sys_unshare kernel/fork.c:3198 [inline]
 __se_sys_unshare kernel/fork.c:3196 [inline]
 __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3196
 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: 0033:0x7f84c54b7ef9
RSP: 002b:00007ffe49773d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84c54b7ef9
RDX: 00007f84c54b7ef9 RSI: ffffffffffffffff RDI: 0000000040000600
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84c547b6d0
R13: 0000000000000000 R14: 00007ffe49773da0 R15: 00007ffe49773d90
 </TASK>
INFO: task syz-executor618:6556 can't die for more than 147 seconds.
task:syz-executor618 state:R  running task     stack:27008 pid: 6556 ppid:  6548 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4955 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6236
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
 __cond_resched+0x13/0x20 kernel/sched/core.c:8121
 _cond_resched include/linux/sched.h:2033 [inline]
 inet_twsk_purge+0xed/0x7d0 net/ipv4/inet_timewait_sock.c:267
 tcp_sk_exit_batch+0x1d/0xa0 net/ipv4/tcp_ipv4.c:3204
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x319/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
 ksys_unshare+0x445/0x920 kernel/fork.c:3127
 __do_sys_unshare kernel/fork.c:3198 [inline]
 __se_sys_unshare kernel/fork.c:3196 [inline]
 __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3196
 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: 0033:0x7f84c54b7ef9
RSP: 002b:00007ffe49773d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84c54b7ef9
RDX: 00007f84c54b7ef9 RSI: ffffffffffffffff RDI: 0000000040000600
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84c547b6d0
R13: 0000000000000000 R14: 00007ffe49773da0 R15: 00007ffe49773d90
 </TASK>
INFO: task syz-executor618:6557 can't die for more than 149 seconds.
task:syz-executor618 state:R  running task     stack:26104 pid: 6557 ppid:  6551 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4955 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6236
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
 __cond_resched+0x13/0x20 kernel/sched/core.c:8121
 _cond_resched include/linux/sched.h:2033 [inline]
 inet_twsk_purge+0xed/0x7d0 net/ipv4/inet_timewait_sock.c:267
 tcp_sk_exit_batch+0x1d/0xa0 net/ipv4/tcp_ipv4.c:3204
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 setup_net+0x639/0xa30 net/core/net_namespace.c:349
 copy_net_ns+0x319/0x760 net/core/net_namespace.c:470
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
 ksys_unshare+0x445/0x920 kernel/fork.c:3127
 __do_sys_unshare kernel/fork.c:3198 [inline]
 __se_sys_unshare kernel/fork.c:3196 [inline]
 __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3196
 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: 0033:0x7f84c54b7ef9
RSP: 002b:00007ffe49773d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84c54b7ef9
RDX: 00007f84c54b7ef9 RSI: ffffffffffffffff RDI: 0000000040000600
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84c547b6d0
R13: 0000000000000000 R14: 00007ffe49773da0 R15: 00007ffe49773d90
 </TASK>