INFO: task syz-executor.3:30719 can't die for more than 143 seconds.
task:syz-executor.3  state:R  running task     stack:27024 pid:30719 ppid:  6558 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4986 [inline]
 __schedule+0xab2/0x4d90 kernel/sched/core.c:6296
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35
 vprintk_emit+0x1c9/0x4f0 kernel/printk/printk.c:2249
 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
 _printk+0xba/0xed kernel/printk/printk.c:2269
 show_free_areas+0x769/0x1120 mm/page_alloc.c:5899
 show_mem+0x31/0x191 lib/show_mem.c:17
 warn_alloc_show_mem mm/page_alloc.c:4213 [inline]
 warn_alloc.cold+0x10e/0x17a mm/page_alloc.c:4236
 __vmalloc_area_node mm/vmalloc.c:2969 [inline]
 __vmalloc_node_range+0xc44/0xe50 mm/vmalloc.c:3097
 alloc_thread_stack_node kernel/fork.c:245 [inline]
 dup_task_struct kernel/fork.c:889 [inline]
 copy_process+0x926/0x7310 kernel/fork.c:2000
 kernel_clone+0xe7/0xab0 kernel/fork.c:2559
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2676
 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: 0033:0x7fc4bc1492c1
RSP: 002b:00007ffe99926b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fc4baa18700 RCX: 00007fc4bc1492c1
RDX: 00007fc4baa189d0 RSI: 00007fc4baa182f0 RDI: 00000000003d0f00
RBP: 00007ffe99926d90 R08: 00007fc4baa18700 R09: 00007fc4baa18700
R10: 00007fc4baa189d0 R11: 0000000000000206 R12: 00007ffe99926bfe
R13: 00007ffe99926bff R14: 00007fc4baa18300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8bb828a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
1 lock held by in:imklog/6239:
 #0: ffff8880786845f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:994
2 locks held by agetty/6245:
 #0: ffff88801d6ac098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90001a4c2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077

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