last executing test programs:

kernel console output (not intermixed with test programs):

Warning: Permanently added '[localhost]:1491' (ED25519) to the list of known hosts.
syzkaller login: [   48.875022][ T5533] cgroup: Unknown subsys name 'net'
[   48.962254][ T5533] cgroup: Unknown subsys name 'cpuset'
[   48.967939][ T5533] cgroup: Unknown subsys name 'rlimit'
[   48.971791][ T5541] BUG: sleeping function called from invalid context at mm/mmu_gather.c:142
[   48.975563][ T5541] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5541, name: dhcpcd-run-hook
[   48.979334][ T5541] preempt_count: 0, expected: 0
[   48.981657][ T5541] RCU nest depth: 1, expected: 0
[   48.983726][ T5541] 2 locks held by dhcpcd-run-hook/5541:
[   48.986671][ T5541]  #0: ffff88816eed0338 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2c2/0x9e0
[   48.990404][ T5541]  #1: ffffffff8e95cda0 (rcu_read_lock){....}-{1:3}, at: folio_lruvec_lock_irqsave+0x24/0x550
[   48.994729][ T5541] CPU: 0 UID: 0 PID: 5541 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) 
[   48.994745][ T5541] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[   48.994752][ T5541] Call Trace:
[   48.994757][ T5541]  <TASK>
[   48.994763][ T5541]  dump_stack_lvl+0xe8/0x150
[   48.994780][ T5541]  __might_resched+0x378/0x4d0
[   48.994796][ T5541]  ? free_unref_folios+0xfb3/0x1420
[   48.994815][ T5541]  tlb_flush_mmu+0x6d3/0xa10
[   48.994833][ T5541]  ? __pfx_down_write+0x10/0x10
[   48.994854][ T5541]  tlb_finish_mmu+0xf9/0x230
[   48.994880][ T5541]  exit_mmap+0x498/0x9e0
[   48.994897][ T5541]  ? __pfx_exit_mmap+0x10/0x10
[   48.994920][ T5541]  ? uprobe_clear_state+0x53/0x3f0
[   48.994945][ T5541]  ? __pfx_exit_aio+0x10/0x10
[   48.994969][ T5541]  ? uprobe_clear_state+0x2bc/0x3f0
[   48.994989][ T5541]  __mmput+0x118/0x430
[   48.995002][ T5541]  exit_mm+0x18e/0x250
[   48.995020][ T5541]  do_exit+0x6a2/0x22c0
[   48.995041][ T5541]  ? __pfx_do_exit+0x10/0x10
[   48.995054][ T5541]  ? do_raw_spin_lock+0x12b/0x2f0
[   48.995078][ T5541]  ? _raw_spin_unlock_irq+0x23/0x50
[   48.995094][ T5541]  do_group_exit+0x21b/0x2d0
[   48.995111][ T5541]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   48.995124][ T5541]  __x64_sys_exit_group+0x3f/0x40
[   48.995137][ T5541]  x64_sys_call+0x221a/0x2240
[   48.995150][ T5541]  do_syscall_64+0x15f/0xf80
[   48.995164][ T5541]  ? trace_irq_disable+0x3b/0x140
[   48.995184][ T5541]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   48.995195][ T5541] RIP: 0033:0x7fd10ab8ba90
[   48.995208][ T5541] Code: Unable to access opcode bytes at 0x7fd10ab8ba66.
[   48.995213][ T5541] RSP: 002b:00007ffdfe016fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   48.995224][ T5541] RAX: ffffffffffffffda RBX: 0000558f9ebac910 RCX: 00007fd10ab8ba90
[   48.995231][ T5541] RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
[   48.995238][ T5541] RBP: 00007ffdfe0172f8 R08: 0000558f9ebacc58 R09: d7789a407d9f767e
[   48.995245][ T5541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfe0172f0
[   48.995252][ T5541] R13: 00007ffdfe017300 R14: 0000558f67e81169 R15: 00007fd10ad8aa80
[   48.995272][ T5541]  </TASK>
[   48.998661][ T5541] 
[   49.082653][ T5541] ====================================
[   49.084895][ T5541] WARNING: dhcpcd-run-hook/5541 still has locks held!
[   49.087527][ T5541] syzkaller #0 Tainted: G        W          
[   49.089944][ T5541] ------------------------------------
[   49.092050][ T5541] 1 lock held by dhcpcd-run-hook/5541:
[   49.094178][ T5541]  #0: ffffffff8e95cda0 (rcu_read_lock){....}-{1:3}, at: folio_lruvec_lock_irqsave+0x24/0x550
[   49.098196][ T5541] 
[   49.098196][ T5541] stack backtrace:
[   49.100425][ T5541] CPU: 0 UID: 0 PID: 5541 Comm: dhcpcd-run-hook Tainted: G        W           syzkaller #0 PREEMPT(full) 
[   49.100439][ T5541] Tainted: [W]=WARN
[   49.100442][ T5541] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[   49.100448][ T5541] Call Trace:
[   49.100453][ T5541]  <TASK>
[   49.100458][ T5541]  dump_stack_lvl+0xe8/0x150
[   49.100471][ T5541]  print_held_locks_bug+0x82/0x90
[   49.100483][ T5541]  do_exit+0x16eb/0x22c0
[   49.100496][ T5541]  ? __pfx_do_exit+0x10/0x10
[   49.100506][ T5541]  ? do_raw_spin_lock+0x12b/0x2f0
[   49.100520][ T5541]  ? _raw_spin_unlock_irq+0x23/0x50
[   49.100532][ T5541]  do_group_exit+0x21b/0x2d0
[   49.100543][ T5541]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   49.100552][ T5541]  __x64_sys_exit_group+0x3f/0x40
[   49.100564][ T5541]  x64_sys_call+0x221a/0x2240
[   49.100574][ T5541]  do_syscall_64+0x15f/0xf80
[   49.100585][ T5541]  ? trace_irq_disable+0x3b/0x140
[   49.100598][ T5541]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   49.100607][ T5541] RIP: 0033:0x7fd10ab8ba90
[   49.100616][ T5541] Code: Unable to access opcode bytes at 0x7fd10ab8ba66.
[   49.100620][ T5541] RSP: 002b:00007ffdfe016fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   49.100631][ T5541] RAX: ffffffffffffffda RBX: 0000558f9ebac910 RCX: 00007fd10ab8ba90
[   49.100638][ T5541] RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
[   49.100644][ T5541] RBP: 00007ffdfe0172f8 R08: 0000558f9ebacc58 R09: d7789a407d9f767e
[   49.100650][ T5541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfe0172f0
[   49.100655][ T5541] R13: 00007ffdfe017300 R14: 0000558f67e81169 R15: 00007fd10ad8aa80
[   49.100665][ T5541]  </TASK>
Setting up swapspace version 1, size = 127995904 bytes
[   50.258807][ T5533] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
