BUG: sleeping function called from invalid context at include/linux/pagemap.h:674 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 21166, name: syz-executor.1 INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 21166 Comm: syz-executor.1 Tainted: G W 5.13.0-next-20210709-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 mlock_fixup+0x3fc/0x680 mm/mlock.c:552 apply_mlockall_flags+0x2bc/0x450 mm/mlock.c:768 __do_sys_munlockall+0x85/0x150 mm/mlock.c:810 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: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd8f9436188 EFLAGS: 00000246 ORIG_RAX: 0000000000000098 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff41b48a7f R14: 00007fd8f9436300 R15: 0000000000022000