last executing test programs:

kernel console output (not intermixed with test programs):

Warning: Permanently added '[localhost]:3309' (ED25519) to the list of known hosts.
syzkaller login: [   56.701925][ T5535] cgroup: Unknown subsys name 'net'
[   56.805670][ T5535] cgroup: Unknown subsys name 'cpuset'
[   56.814807][ T5535] cgroup: Unknown subsys name 'rlimit'
[   56.818182][ T5586] BUG: sleeping function called from invalid context at mm/memory.c:2007
[   56.820718][ T5586] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5586, name: rm
[   56.825566][ T5586] preempt_count: 0, expected: 0
[   56.827798][ T5586] RCU nest depth: 1, expected: 0
[   56.829784][ T5586] 2 locks held by rm/5586:
[   56.831656][ T5586]  #0: ffff8881173327f8 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x194/0x9e0
[   56.835185][ T5586]  #1: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240
[   56.838857][ T5586] CPU: 0 UID: 0 PID: 5586 Comm: rm Not tainted syzkaller #0 PREEMPT(full) 
[   56.838873][ T5586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[   56.838884][ T5586] Call Trace:
[   56.838892][ T5586]  <TASK>
[   56.838899][ T5586]  dump_stack_lvl+0xe8/0x150
[   56.838921][ T5586]  __might_resched+0x378/0x4d0
[   56.838945][ T5586]  __zap_vma_range+0x44bd/0x4b40
[   56.839019][ T5586]  ? __pfx___zap_vma_range+0x10/0x10
[   56.839078][ T5586]  ? mas_find+0xb0e/0xd30
[   56.839095][ T5586]  ? unmap_vmas+0x1bd/0x530
[   56.839118][ T5586]  unmap_vmas+0x379/0x530
[   56.839144][ T5586]  ? __pfx_unmap_vmas+0x10/0x10
[   56.839182][ T5586]  exit_mmap+0x280/0x9e0
[   56.839203][ T5586]  ? __pfx_exit_mmap+0x10/0x10
[   56.839228][ T5586]  ? uprobe_clear_state+0x53/0x3f0
[   56.839256][ T5586]  ? __pfx_exit_aio+0x10/0x10
[   56.839278][ T5586]  ? arch_uprobe_clear_state+0x1f0/0x210
[   56.839296][ T5586]  ? uprobe_clear_state+0x2bc/0x3f0
[   56.839319][ T5586]  __mmput+0x118/0x430
[   56.839336][ T5586]  exit_mm+0x18e/0x250
[   56.839356][ T5586]  do_exit+0x6a2/0x22c0
[   56.839381][ T5586]  ? __pfx_do_exit+0x10/0x10
[   56.839396][ T5586]  ? do_raw_spin_lock+0x12b/0x2f0
[   56.839423][ T5586]  ? _raw_spin_unlock_irq+0x23/0x50
[   56.839441][ T5586]  do_group_exit+0x21b/0x2d0
[   56.839461][ T5586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   56.839476][ T5586]  __x64_sys_exit_group+0x3f/0x40
[   56.839495][ T5586]  x64_sys_call+0x221a/0x2240
[   56.839510][ T5586]  do_syscall_64+0x15f/0xf80
[   56.839525][ T5586]  ? trace_irq_disable+0x3b/0x140
[   56.839550][ T5586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   56.839564][ T5586] RIP: 0033:0x7f5803cafa90
[   56.839578][ T5586] Code: Unable to access opcode bytes at 0x7f5803cafa66.
[   56.839584][ T5586] RSP: 002b:00007ffcb1446cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   56.839599][ T5586] RAX: ffffffffffffffda RBX: 00007f5803da0860 RCX: 00007f5803cafa90
[   56.839609][ T5586] RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
[   56.839617][ T5586] RBP: 00007f5803da0860 R08: 00007ffcb1446b70 R09: 00007ffcb1446c50
[   56.839627][ T5586] R10: 00007ffcb1446bb0 R11: 0000000000000246 R12: 0000000000000000
[   56.839635][ T5586] R13: 0000000000000000 R14: 00007f5803da4658 R15: 0000000000000001
[   56.839657][ T5586]  </TASK>
[   56.840569][ T5586] 
[   56.925018][ T5586] =============================
[   56.926900][ T5586] [ BUG: Invalid wait context ]
[   56.928781][ T5586] syzkaller #0 Tainted: G        W          
[   56.931079][ T5586] -----------------------------
[   56.932946][ T5586] rm/5586 is trying to lock:
[   56.934752][ T5586] ffff8881173327f8 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2c2/0x9e0
[   56.938088][ T5586] other info that might help us debug this:
[   56.940364][ T5586] context-{5:5}
[   56.941722][ T5586] 1 lock held by rm/5586:
[   56.943403][ T5586]  #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240
[   56.946987][ T5586] stack backtrace:
[   56.948430][ T5586] CPU: 0 UID: 0 PID: 5586 Comm: rm Tainted: G        W           syzkaller #0 PREEMPT(full) 
[   56.948449][ T5586] Tainted: [W]=WARN
[   56.948454][ T5586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[   56.948463][ T5586] Call Trace:
[   56.948474][ T5586]  <TASK>
[   56.948482][ T5586]  dump_stack_lvl+0xe8/0x150
[   56.948501][ T5586]  __lock_acquire+0xec1/0x2cf0
[   56.948522][ T5586]  ? __lock_acquire+0x6b5/0x2cf0
[   56.948538][ T5586]  ? exit_mmap+0x2c2/0x9e0
[   56.948555][ T5586]  lock_acquire+0x106/0x350
[   56.948569][ T5586]  ? exit_mmap+0x2c2/0x9e0
[   56.948586][ T5586]  ? __might_resched+0x86/0x4d0
[   56.948604][ T5586]  down_write+0x96/0x200
[   56.948623][ T5586]  ? exit_mmap+0x2c2/0x9e0
[   56.948637][ T5586]  ? __pfx_down_write+0x10/0x10
[   56.948655][ T5586]  exit_mmap+0x2c2/0x9e0
[   56.948672][ T5586]  ? __pfx_exit_mmap+0x10/0x10
[   56.948691][ T5586]  ? uprobe_clear_state+0x53/0x3f0
[   56.948714][ T5586]  ? __pfx_exit_aio+0x10/0x10
[   56.948734][ T5586]  ? arch_uprobe_clear_state+0x1f0/0x210
[   56.948750][ T5586]  ? uprobe_clear_state+0x2bc/0x3f0
[   56.948769][ T5586]  __mmput+0x118/0x430
[   56.948782][ T5586]  exit_mm+0x18e/0x250
[   56.948800][ T5586]  do_exit+0x6a2/0x22c0
[   56.948818][ T5586]  ? __pfx_do_exit+0x10/0x10
[   56.948832][ T5586]  ? do_raw_spin_lock+0x12b/0x2f0
[   56.948853][ T5586]  ? _raw_spin_unlock_irq+0x23/0x50
[   56.948868][ T5586]  do_group_exit+0x21b/0x2d0
[   56.948884][ T5586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   56.948898][ T5586]  __x64_sys_exit_group+0x3f/0x40
[   56.948915][ T5586]  x64_sys_call+0x221a/0x2240
[   56.948931][ T5586]  do_syscall_64+0x15f/0xf80
[   56.948945][ T5586]  ? trace_irq_disable+0x3b/0x140
[   56.948966][ T5586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   56.948980][ T5586] RIP: 0033:0x7f5803cafa90
[   56.948994][ T5586] Code: Unable to access opcode bytes at 0x7f5803cafa66.
[   56.949000][ T5586] RSP: 002b:00007ffcb1446cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   56.949015][ T5586] RAX: ffffffffffffffda RBX: 00007f5803da0860 RCX: 00007f5803cafa90
[   56.949052][ T5586] RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
[   56.949062][ T5586] RBP: 00007f5803da0860 R08: 00007ffcb1446b70 R09: 00007ffcb1446c50
[   56.949071][ T5586] R10: 00007ffcb1446bb0 R11: 0000000000000246 R12: 0000000000000000
[   56.949080][ T5586] R13: 0000000000000000 R14: 00007f5803da4658 R15: 0000000000000001
[   56.949093][ T5586]  </TASK>
Setting up swapspace version 1, size = 127995904 bytes
[   58.785610][ T5535] 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)
