------------[ cut here ]------------
WARNING: CPU: 0 PID: 24458 at mm/page_alloc.c:3563 __alloc_pages_slowpath mm/page_alloc.c:3563 [inline]
WARNING: CPU: 0 PID: 24458 at mm/page_alloc.c:3563 __alloc_pages_nodemask+0x12c6/0x1a80 mm/page_alloc.c:3861
SELinux:  policydb magic number 0x92d7bdec does not match expected magic number 0xf97cff8c
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 24458 Comm: syz-executor.4 Not tainted 4.9.203-syzkaller #0
 ffff88018e5cf7c0 ffffffff81b55f6b 0000000000000000 ffffffff82a3b700
 00000000ffffffff 0000000000000000 0000000000000009 ffff88018e5cf8a0
 ffffffff813ff061 0000000041b58ab3 ffffffff82e31763 ffffffff813fee81
Call Trace:
 [<0000000017862775>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000017862775>] dump_stack+0xcb/0x130 lib/dump_stack.c:56
 [<000000007ed12cc2>] panic+0x1e0/0x3c4 kernel/panic.c:181
 [<00000000c50bfc34>] __warn.cold+0x2f/0x2f kernel/panic.c:547
 [<00000000f06448d6>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:590
 [<000000002f026f65>] __alloc_pages_slowpath mm/page_alloc.c:3563 [inline]
 [<000000002f026f65>] __alloc_pages_nodemask+0x12c6/0x1a80 mm/page_alloc.c:3861
 [<0000000092b1ea4a>] __alloc_pages include/linux/gfp.h:456 [inline]
 [<0000000092b1ea4a>] __alloc_pages_node include/linux/gfp.h:469 [inline]
 [<0000000092b1ea4a>] alloc_pages_node include/linux/gfp.h:483 [inline]
 [<0000000092b1ea4a>] kmalloc_order+0x2d/0x80 mm/slab_common.c:1043
 [<000000005b105952>] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054
 [<00000000e5158b0a>] kmalloc_large include/linux/slab.h:422 [inline]
 [<00000000e5158b0a>] __kmalloc+0x1b2/0x320 mm/slub.c:3730
 [<000000005fdfe3ba>] kmalloc include/linux/slab.h:495 [inline]
 [<000000005fdfe3ba>] vga_arb_write+0xc5/0xc90 drivers/gpu/vga/vgaarb.c:1032
 [<000000003622916f>] __vfs_write+0x116/0x560 fs/read_write.c:509
 [<000000005d298885>] vfs_write+0x185/0x520 fs/read_write.c:559
 [<00000000595c83d6>] SYSC_write fs/read_write.c:607 [inline]
 [<00000000595c83d6>] SyS_write+0x121/0x270 fs/read_write.c:599
 [<00000000708a0257>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<000000009707f8fc>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..