netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2087 at mm/util.c:546 __vm_enough_memory+0x41d/0x510 mm/util.c:544
memory commitment underflow
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2087 Comm: syz-executor0 Not tainted 4.9.128+ #93
 ffff8801aef679b0 ffffffff81af2469 ffffffff82838ba0 00000000ffffffff
 0000000000000000 0000000000000000 0000000000000222 ffff8801aef67a70
 ffffffff813df985 0000000041b58ab3 ffffffff82c2896b ffffffff813df7c6
Call Trace:
 [<ffffffff81af2469>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81af2469>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813df985>] panic+0x1bf/0x39f kernel/panic.c:179
 [<ffffffff813dfc54>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff810d95d2>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff8144ef0d>] __vm_enough_memory+0x41d/0x510 mm/util.c:544
 [<ffffffff819984e6>] security_vm_enough_memory_mm+0x96/0xb0 security/security.c:238
 [<ffffffff810d4a6c>] dup_mmap kernel/fork.c:615 [inline]
 [<ffffffff810d4a6c>] dup_mm kernel/fork.c:1156 [inline]
 [<ffffffff810d4a6c>] copy_mm kernel/fork.c:1210 [inline]
 [<ffffffff810d4a6c>] copy_process.part.8+0x402c/0x66c0 kernel/fork.c:1692
 [<ffffffff810d7582>] copy_process kernel/fork.c:1505 [inline]
 [<ffffffff810d7582>] _do_fork+0x1b2/0xd30 kernel/fork.c:1972
 [<ffffffff810d81d7>] SYSC_clone kernel/fork.c:2084 [inline]
 [<ffffffff810d81d7>] SyS_clone+0x37/0x50 kernel/fork.c:2078
 [<ffffffff8100554f>] do_syscall_64+0x19f/0x480 arch/x86/entry/common.c:282
 [<ffffffff8278df13>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..