INFO: task syz-executor.0:10798 can't die for more than 143 seconds. task:syz-executor.0 state:R running task stack:26096 pid:10798 ppid: 9989 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 _cond_resched include/linux/sched.h:2027 [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 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178 copy_process+0x2da7/0x75a0 kernel/fork.c:2245 kernel_clone+0xe7/0xab0 kernel/fork.c:2632 __do_sys_clone+0xc8/0x110 kernel/fork.c:2749 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: 0033:0x7fd0ed603a39 RSP: 002b:00007fd0eab37188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fd0ed7070e0 RCX: 00007fd0ed603a39 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006cb2e100 RBP: 00007fd0ed65de8f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8909de2f R14: 00007fd0eab37300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8bb83460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 1 lock held by in:imklog/6248: 2 locks held by syz-executor.3/10773: 1 lock held by syz-executor.0/10798: 1 lock held by syz-executor.1/10812: 1 lock held by syz-executor.2/10819: 1 lock held by syz-executor.5/10843: =============================================