------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 0 PID: 25726 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: 25726 Comm: syz-executor.1 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
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
 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:ffff8880957b78d8 EFLAGS: 00010286
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000b119 RSI: ffffffff814dff01 RDI: ffffed1012af6f0d
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000001094
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001
R13: fff800000007e7f5 R14: ffffffff8a009dc0 R15: 0000000000000d2b
 shmem_acct_block mm/shmem.c:183 [inline]
 shmem_inode_acct_block mm/shmem.c:198 [inline]
 shmem_alloc_and_acct_page+0x4ae/0x850 mm/shmem.c:1513
 shmem_getpage_gfp+0x4e9/0x37f0 mm/shmem.c:1797
 shmem_getpage mm/shmem.c:132 [inline]
 shmem_write_begin+0xff/0x1e0 mm/shmem.c:2446
 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170
 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295
 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x51b/0x770 fs/read_write.c:487
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_pwrite64 fs/read_write.c:653 [inline]
 __do_sys_pwrite64 fs/read_write.c:663 [inline]
 __se_sys_pwrite64 fs/read_write.c:660 [inline]
 __x64_sys_pwrite64+0x1f7/0x250 fs/read_write.c:660
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f51d7ac6797
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f51d6086f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f51d7ac6797
RDX: 0000000000000003 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000020000540 R14: 0000000000000000 R15: 00007f51d7b5ea20
Kernel Offset: disabled
Rebooting in 86400 seconds..