------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 0 PID: 10675 at mm/util.c:668 __vm_enough_memory+0x516/0x650 mm/util.c:668
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 10675 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__vm_enough_memory+0x516/0x650 mm/util.c:668
Code: 09 31 ff 89 de e8 aa e9 db ff 84 db 0f 85 a9 fb ff ff e8 6d e8 db ff 48 c7 c7 20 eb 71 88 c6 05 1c 0e 88 09 01 e8 3f 20 6c 06 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14
RSP: 0018:ffff88803e24fb08 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1007c49f53
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000ed3
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001
R13: fff800000007cf88 R14: ffffffff8a009dc0 R15: 0000000000000d2b
 shmem_acct_size mm/shmem.c:150 [inline]
 __shmem_file_setup.part.0+0x18e/0x2b0 mm/shmem.c:3962
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_kernel_file_setup mm/shmem.c:3995 [inline]
 shmem_zero_setup+0xdf/0x430 mm/shmem.c:4039
 ashmem_mmap+0x45e/0x660 drivers/staging/android/ashmem.c:443
 call_mmap include/linux/fs.h:1826 [inline]
 mmap_region+0xc94/0x16b0 mm/mmap.c:1757
 do_mmap+0x8e8/0x1080 mm/mmap.c:1530
 do_mmap_pgoff include/linux/mm.h:2329 [inline]
 vm_mmap_pgoff+0x197/0x200 mm/util.c:357
 ksys_mmap_pgoff+0x298/0x5a0 mm/mmap.c:1580
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7feccd2e90d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feccb83a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007feccd409050 RCX: 00007feccd2e90d9
RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020ffb000
RBP: 00007feccd344ae9 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd89676fbf R14: 00007feccb83a300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..