------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 0 PID: 7451 at mm/util.c:805 __vm_enough_memory+0x300/0x380 mm/util.c:805
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7451 Comm: syz-executor.4 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:__vm_enough_memory+0x300/0x380 mm/util.c:805
Code: 08 31 ff 89 de e8 20 b8 d7 ff 84 db 0f 85 d3 fd ff ff e8 b3 b6 d7 ff 48 c7 c7 20 bb 33 88 c6 05 84 15 eb 08 01 e8 78 eb a8 ff <0f> 0b e9 b4 fd ff ff 48 c7 c7 00 24 a5 89 e8 4d d7 15 00 e9 d2 fd
RSP: 0018:ffffc90008a1fa08 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815ce211 RDI: fffff52001143f33
RBP: ffffffff89a52400 R08: ffff8880570e6540 R09: fffffbfff186273f
R10: ffffffff8c3139f7 R11: fffffbfff186273e R12: 0000000000000009
R13: ffff8880a1ee0d80 R14: 0000000000000001 R15: ffffffffffffdb49
 dup_mmap kernel/fork.c:542 [inline]
 dup_mm+0x4f1/0x1300 kernel/fork.c:1363
 copy_mm kernel/fork.c:1419 [inline]
 copy_process+0x29cc/0x7110 kernel/fork.c:2085
 _do_fork+0x12d/0x1010 kernel/fork.c:2430
 __do_sys_clone+0xec/0x140 kernel/fork.c:2585
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ae5a
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007fffe11755e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffe11755e0 RCX: 000000000045ae5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffe1175620 R08: 0000000000000001 R09: 0000000001344940
R10: 0000000001344c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffe1175670
Kernel Offset: disabled
Rebooting in 86400 seconds..