INFO: task syz-executor.5:32406 can't die for more than 143 seconds.
task:syz-executor.5  state:R  running task     stack:26184 pid:32406 ppid: 13504 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4953 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6234
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6400
 __cond_resched+0x13/0x20 kernel/sched/core.c:8113
 _cond_resched include/linux/sched.h:2026 [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
 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
 copy_process+0x2da7/0x7580 kernel/fork.c:2247
 kernel_clone+0xe7/0xab0 kernel/fork.c:2634
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2751
 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: 0033:0x7fdab05fd8d9
RSP: 002b:00007fdaadb74188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fdab0701f60 RCX: 00007fdab05fd8d9
RDX: 0000000020000440 RSI: 0000000020000400 RDI: 0000000048200000
RBP: 00007fdab0657cb4 R08: 0000000020000580 R09: 0000000000000000
R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2349000f R14: 00007fdaadb74300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.0:32499 can't die for more than 147 seconds.
task:syz-executor.0  state:R  running task     stack:26200 pid:32499 ppid: 11053 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>
INFO: task syz-executor.1:32510 can't die for more than 148 seconds.
task:syz-executor.1  state:R  running task     stack:26248 pid:32510 ppid: 13506 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>
INFO: task syz-executor.2:32625 can't die for more than 151 seconds.
task:syz-executor.2  state:R  running task     stack:27112 pid:32625 ppid:  6550 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4953 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6234
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6400
 __cond_resched+0x13/0x20 kernel/sched/core.c:8113
 _cond_resched include/linux/sched.h:2026 [inline]
 zap_pte_range mm/memory.c:1422 [inline]
 zap_pmd_range mm/memory.c:1467 [inline]
 zap_pud_range mm/memory.c:1496 [inline]
 zap_p4d_range mm/memory.c:1517 [inline]
 unmap_page_range+0x10bb/0x29f0 mm/memory.c:1538
 unmap_single_vma+0x198/0x310 mm/memory.c:1583
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1615
 exit_mmap+0x1d0/0x630 mm/mmap.c:3171
 __mmput+0x122/0x4b0 kernel/fork.c:1165
 mmput+0x56/0x60 kernel/fork.c:1186
 copy_process+0x60aa/0x7580 kernel/fork.c:2492
 kernel_clone+0xe7/0xab0 kernel/fork.c:2634
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2751
 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: 0033:0x7f14d3d208d9
RSP: 002b:00007f14d1297188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f14d3e24f60 RCX: 00007f14d3d208d9
RDX: 0000000020000440 RSI: 0000000020000400 RDI: 0000000048200000
RBP: 00007f14d3d7acb4 R08: 0000000020000580 R09: 0000000000000000
R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe154f61af R14: 00007f14d1297300 R15: 0000000000022000
 </TASK>