------------[ cut here ]------------ WARNING: CPU: 1 PID: 3333 at mm/page_alloc.c:3550 __alloc_pages_slowpath+0x1136/0x1d90 mm/page_alloc.c:3550 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3333 Comm: syzkaller991980 Not tainted 4.9.78-gf518fe4 #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c83e6a50 ffffffff81d943a9 ffffffff83a47c40 ffff8801c83e6b28 ffffffff83aa4e00 ffffffff81452df6 0000000000000009 ffff8801c83e6b18 ffffffff8142f451 0000000041b58ab3 ffffffff8418ac30 ffffffff8142f295 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+0x1136/0x1d90 mm/page_alloc.c:3550 [] __alloc_pages_nodemask+0x33b/0x6b0 mm/page_alloc.c:3857 [] __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:1043 [] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054 [] kmalloc_large include/linux/slab.h:422 [inline] [] __kmalloc+0x19d/0x310 mm/slub.c:3730 [] kmalloc_array include/linux/slab.h:582 [inline] [] kcalloc include/linux/slab.h:593 [inline] [] __ptr_ring_init_queue_alloc include/linux/ptr_ring.h:354 [inline] [] ptr_ring_resize_multiple include/linux/ptr_ring.h:443 [inline] [] skb_array_resize_multiple include/linux/skb_array.h:169 [inline] [] tun_queue_resize drivers/net/tun.c:2510 [inline] [] tun_device_event+0x398/0xa50 drivers/net/tun.c:2528 [] notifier_call_chain+0x90/0x1a0 kernel/notifier.c:93 [] __raw_notifier_call_chain kernel/notifier.c:394 [inline] [] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 [] call_netdevice_notifiers_info+0x51/0x90 net/core/dev.c:1647 [] call_netdevice_notifiers+0x70/0xa0 net/core/dev.c:1663 [] do_setlink+0xba6/0x2f80 net/core/rtnetlink.c:2048 [] rtnl_newlink+0xd6d/0x1550 net/core/rtnetlink.c:2557 [] rtnetlink_rcv_msg+0x4c3/0x640 net/core/rtnetlink.c:4059 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] rtnetlink_rcv+0x2a/0x40 net/core/rtnetlink.c:4065 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..