memory commitment underflow
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10440 at mm/util.c:622 __vm_enough_memory.cold+0x18/0x59 mm/util.c:622
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10440 Comm: syz-executor.3 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
hrtimer: interrupt took 47926 ns
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:__vm_enough_memory.cold+0x18/0x59 mm/util.c:622
RSP: 0018:ffff88804d037978 EFLAGS: 00010282
RAX: 000000000000001b RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000001ada RSI: ffffffff81443080 RDI: ffffed1009a06f25
RBP: 0000000000000001 R08: 000000000000001b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888094fb8cc0
overlayfs: fs on 'file0' does not support file handles, falling back to index=off.
R13: ffffffff88feb4a0 R14: fff8000000066969 R15: 0000000000000d36
 shmem_acct_block mm/shmem.c:182 [inline]
 shmem_inode_acct_block mm/shmem.c:197 [inline]
 shmem_alloc_and_acct_page+0x361/0x620 mm/shmem.c:1499
 shmem_getpage_gfp+0x302/0x2a40 mm/shmem.c:1782
 shmem_getpage mm/shmem.c:131 [inline]
 shmem_write_begin+0xeb/0x190 mm/shmem.c:2431
 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055
 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208
overlayfs: unrecognized mount option "workdi˙" or missing value
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_pwrite64 fs/read_write.c:632 [inline]
 SyS_pwrite64+0x116/0x140 fs/read_write.c:619
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f2ad0ee4017
RSP: 002b:00007f2acf8a5f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f2ad0f7a9c8 RCX: 00007f2ad0ee4017
RDX: 0000000000000008 RSI: 0000000020011600 RDI: 0000000000000004
RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000006000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
Kernel Offset: disabled
Rebooting in 86400 seconds..