INFO: task syz-executor891:6557 can't die for more than 143 seconds. task:syz-executor891 state:R running task stack:27176 pid: 6557 ppid: 6541 flags:0x00004006 Call Trace: 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 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 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226 ksys_unshare+0x445/0x920 kernel/fork.c:3126 __do_sys_unshare kernel/fork.c:3197 [inline] __se_sys_unshare kernel/fork.c:3195 [inline] __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3195 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: 0033:0x7f452bb29749 RSP: 002b:00007f452bad3318 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f452bbaa3c8 RCX: 00007f452bb29749 RDX: 00007f452bb29749 RSI: 00000000000f4240 RDI: 0000000040000000 RBP: 00007f452bbaa3c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f452bbaa3cc R13: 00007ffdf2fc3e2f R14: 00007f452bad3400 R15: 0000000000022000 INFO: task syz-executor891:6570 can't die for more than 149 seconds. task:syz-executor891 state:R running task stack:27808 pid: 6570 ppid: 6541 flags:0x00004006 Call Trace: 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 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 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226 ksys_unshare+0x445/0x920 kernel/fork.c:3126 __do_sys_unshare kernel/fork.c:3197 [inline] __se_sys_unshare kernel/fork.c:3195 [inline] __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3195 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: 0033:0x7f452bb29749 RSP: 002b:00007f452bab2318 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f452bbaa3d8 RCX: 00007f452bb29749 RDX: 00007f452bb29749 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 00007f452bbaa3d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f452bbaa3dc R13: 00007ffdf2fc3e2f R14: 00007f452bab2400 R15: 0000000000022000