[ 2293]     0  2283     9572        0       9       4        0          1000 syz-executor.2
[ 2287]     0  2287     5383      189      15       3        0         -1000 udevd
[ 2294]     0  2288     9605        0       9       4        0          1000 syz-executor.0
Kernel panic - not syncing: Out of memory and no killable processes...

CPU: 0 PID: 2276 Comm: syz-executor.3 Not tainted 4.9.141+ #1
 ffff8801c7717248 ffffffff81b42e79 ffffffff82a962c0 00000000ffffffff
 ffffffff83029100 0000000000000000 dffffc0000000000 ffff8801c7717308
 ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66
Call Trace:
 [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813f7125>] panic+0x1bf/0x39f kernel/panic.c:179
 [<ffffffff814fc5b7>] out_of_memory.cold.11+0x1e/0x5d mm/oom_kill.c:1058
 [<ffffffff8142996e>] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline]
 [<ffffffff8142996e>] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline]
 [<ffffffff8142996e>] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862
 [<ffffffff814eb7e7>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<ffffffff814eb7e7>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<ffffffff814eb7e7>] alloc_slab_page mm/slub.c:1408 [inline]
 [<ffffffff814eb7e7>] allocate_slab mm/slub.c:1557 [inline]
 [<ffffffff814eb7e7>] new_slab+0x367/0x3d0 mm/slub.c:1635
 [<ffffffff814ed97d>] new_slab_objects mm/slub.c:2419 [inline]
 [<ffffffff814ed97d>] ___slab_alloc.constprop.33+0x2ed/0x470 mm/slub.c:2576
 [<ffffffff814edb50>] __slab_alloc.isra.25.constprop.32+0x50/0xa0 mm/slub.c:2618
 [<ffffffff814f15f6>] slab_alloc_node mm/slub.c:2681 [inline]
 [<ffffffff814f15f6>] slab_alloc mm/slub.c:2723 [inline]
 [<ffffffff814f15f6>] __kmalloc_track_caller+0x236/0x2d0 mm/slub.c:4232
 [<ffffffff81469584>] kmemdup+0x24/0x50 mm/util.c:115
 [<ffffffff8258f6b5>] __devinet_sysctl_register+0xa5/0x2a0 net/ipv4/devinet.c:2241
 [<ffffffff8258f9eb>] devinet_sysctl_register+0x13b/0x1f0 net/ipv4/devinet.c:2290
 [<ffffffff8258fc82>] inetdev_init+0x1e2/0x390 net/ipv4/devinet.c:257
 [<ffffffff82590012>] inetdev_event+0x1e2/0x10b0 net/ipv4/devinet.c:1413
 [<ffffffff811478d4>] notifier_call_chain+0xb4/0x1d0 kernel/notifier.c:93
 [<ffffffff81147a5d>] __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 [<ffffffff81147a5d>] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401
 [<ffffffff822f4a45>] call_netdevice_notifiers_info+0x55/0x70 net/core/dev.c:1647
 [<ffffffff8231adaa>] call_netdevice_notifiers net/core/dev.c:1663 [inline]
 [<ffffffff8231adaa>] register_netdevice+0xaca/0xe70 net/core/dev.c:7349
 [<ffffffff8231b16a>] register_netdev+0x1a/0x30 net/core/dev.c:7432
 [<ffffffff82796898>] vti6_init_net+0x408/0x700 net/ipv6/ip6_vti.c:1103
 [<ffffffff822e3350>] ops_init+0xb0/0x3a0 net/core/net_namespace.c:111
 [<ffffffff822e567c>] setup_net+0x1bc/0x4d0 net/core/net_namespace.c:291
 [<ffffffff822e7119>] copy_net_ns+0x189/0x330 net/core/net_namespace.c:408
 [<ffffffff811465e1>] create_new_namespaces+0x501/0x760 kernel/nsproxy.c:106
 [<ffffffff81146dd5>] unshare_nsproxy_namespaces+0xa5/0x1d0 kernel/nsproxy.c:205
 [<ffffffff810dac99>] SYSC_unshare kernel/fork.c:2263 [inline]
 [<ffffffff810dac99>] SyS_unshare+0x319/0x710 kernel/fork.c:2213
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..