BUG: sleeping function called from invalid context at include/linux/pagemap.h:674
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 22398, name: syz-executor.3
INFO: lockdep is turned off.
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 22398 Comm: syz-executor.3 Tainted: G        W         5.13.0-next-20210706-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9171
 lock_page include/linux/pagemap.h:674 [inline]
 __munlock_pagevec+0xa22/0x2340 mm/mlock.c:314
 munlock_vma_pages_range+0x9d7/0xf00 mm/mlock.c:475
 munlock_vma_pages_all mm/internal.h:354 [inline]
 unlock_range mm/mmap.c:2811 [inline]
 exit_mmap+0x47a/0x620 mm/mmap.c:3188
 __mmput+0x122/0x470 kernel/fork.c:1152
 mmput+0x58/0x60 kernel/fork.c:1173
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xae2/0x2a60 kernel/exit.c:812
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x47f/0x2160 kernel/signal.c:2796
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: Unable to access opcode bytes at RIP 0x4665af.
RSP: 002b:00007f67a0228188 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: 0000000000000000 RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd55b9607f R14: 00007f67a0228300 R15: 0000000000022000