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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] __warn+0x1c4/0x1e0 kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] __alloc_pages_slowpath+0x116d/0x1dc0 mm/page_alloc.c:3548 [] __alloc_pages_nodemask+0x33b/0x6b0 mm/page_alloc.c:3855 [] __alloc_pages include/linux/gfp.h:433 [inline] [] __alloc_pages_node include/linux/gfp.h:446 [inline] [] alloc_pages_node include/linux/gfp.h:460 [inline] [] kmalloc_order+0x2a/0x70 mm/slab_common.c:1038 [] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1049 [] kmalloc_large include/linux/slab.h:422 [inline] [] __kmalloc+0x19d/0x310 mm/slub.c:3730 [] kmalloc include/linux/slab.h:495 [inline] [] kzalloc include/linux/slab.h:636 [inline] [] ip6_setup_cork+0x194/0x1200 net/ipv6/ip6_output.c:1226 [] ip6_make_skb+0x1b8/0x440 net/ipv6/ip6_output.c:1802 [] udpv6_sendmsg+0x1b1d/0x2540 net/ipv6/udp.c:1240 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:753 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] SYSC_sendto+0x2c8/0x340 net/socket.c:1670 [] SyS_sendto+0x40/0x50 net/socket.c:1638 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..