INFO: task syz-executor.5:29769 can't die for more than 143 seconds.
task:syz-executor.5  state:R  running task     stack:27928 pid:29769 ppid:  3617 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5106 [inline]
 __schedule+0xa9a/0x4cc0 kernel/sched/core.c:6421
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6586
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x57/0x70 kernel/locking/spinlock.c:194
 htab_unlock_bucket kernel/bpf/hashtab.c:189 [inline]
 htab_map_update_elem+0x52c/0x860 kernel/bpf/hashtab.c:1111
 bpf_map_update_value.isra.0+0x2dc/0x8f0 kernel/bpf/syscall.c:224
 generic_map_update_batch+0x3f2/0x5c0 kernel/bpf/syscall.c:1413
 bpf_map_do_batch+0x2d7/0x5b0 kernel/bpf/syscall.c:4241
 __sys_bpf+0x1cdd/0x55d0 kernel/bpf/syscall.c:4727
 __do_sys_bpf kernel/bpf/syscall.c:4767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4765 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4765
 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: 0033:0x7f13cf689049
RSP: 002b:00007f13d0814168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f13cf79bf60 RCX: 00007f13cf689049
RDX: 0000000000000038 RSI: 0000000020000140 RDI: 000000000000001a
RBP: 00007f13cf6e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb0a2803f R14: 00007f13d0814300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by ksoftirqd/1/21:
1 lock held by khungtaskd/28:
 #0: ffffffff8bd83de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
1 lock held by udevd/2960:
2 locks held by getty/3270:
 #0: ffff88801e243098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002e732e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075
1 lock held by syz-executor.5/29769:

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