WARNING: CPU: 0 PID: 3245 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 mm/page_alloc.c:3548
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3245 Comm: syzkaller833502 Not tainted 4.9.56-ged0b958 #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cb31f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801cb31f2c8
 ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801cb31f2b8
 ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85
Call Trace:
 [<ffffffff81d93999>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93999>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142ec41>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff811321d4>] __warn+0x1c4/0x1e0 kernel/panic.c:542
 [<ffffffff8113243c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff8145255d>] __alloc_pages_slowpath+0x116d/0x1dc0 mm/page_alloc.c:3548
 [<ffffffff814534eb>] __alloc_pages_nodemask+0x33b/0x6b0 mm/page_alloc.c:3855
 [<ffffffff814a6b0a>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<ffffffff814a6b0a>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<ffffffff814a6b0a>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<ffffffff814a6b0a>] kmalloc_order+0x2a/0x70 mm/slab_common.c:1038
 [<ffffffff814a6b6f>] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1049
 [<ffffffff81538b0d>] kmalloc_large include/linux/slab.h:422 [inline]
 [<ffffffff81538b0d>] __kmalloc+0x19d/0x310 mm/slub.c:3730
 [<ffffffff834104c4>] kmalloc include/linux/slab.h:495 [inline]
 [<ffffffff834104c4>] kzalloc include/linux/slab.h:636 [inline]
 [<ffffffff834104c4>] ip6_setup_cork+0x194/0x1200 net/ipv6/ip6_output.c:1226
 [<ffffffff834242b8>] ip6_make_skb+0x1b8/0x440 net/ipv6/ip6_output.c:1802
 [<ffffffff8348a21d>] udpv6_sendmsg+0x1b1d/0x2540 net/ipv6/udp.c:1240
 [<ffffffff832ebcdc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:753
 [<ffffffff82ed1b9a>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed1b9a>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed2af8>] SYSC_sendto+0x2c8/0x340 net/socket.c:1670
 [<ffffffff82ed4fa0>] SyS_sendto+0x40/0x50 net/socket.c:1638
 [<ffffffff838ad085>] entry_SYSCALL_64_fastpath+0x23/0xc6
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..