kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3149 Comm: syzkaller214598 Not tainted 4.15.0-rc5+ #147 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__netlink_ns_capable+0x8b/0x120 net/netlink/af_netlink.c:835 RSP: 0018:ffff8801bc6e6fc0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84359210 RDX: 000000000000007b RSI: ffffffff85f10ae0 RDI: 00000000000003d8 RBP: ffff8801bc6e6fd8 R08: 0000000000000000 R09: 1ffff100378dcdce R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff85f10ae0 R13: 000000000000000c R14: 0000000000000010 R15: 0000000000000020 FS: 0000000000000000(0000) GS:ffff8801db500000(0063) knlGS:000000000a017840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002000ffab CR3: 00000001c9df1006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netlink_ns_capable+0x26/0x30 net/netlink/af_netlink.c:853 get_target_net+0x9d/0x120 net/core/rtnetlink.c:1695 rtnl_dump_ifinfo+0x2e5/0xee0 net/core/rtnetlink.c:1736 netlink_dump+0x48c/0xce0 net/netlink/af_netlink.c:2189 __netlink_dump_start+0x4f0/0x6d0 net/netlink/af_netlink.c:2286 netlink_dump_start include/linux/netlink.h:214 [inline] rtnetlink_rcv_msg+0x977/0x1020 net/core/rtnetlink.c:4381 netlink_rcv_skb+0x21e/0x460 net/netlink/af_netlink.c:2408 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4423 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] netlink_unicast+0x4e8/0x6f0 net/netlink/af_netlink.c:1301 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864 sock_sendmsg_nosec net/socket.c:636 [inline] sock_sendmsg+0xca/0x110 net/socket.c:646 SYSC_sendto+0x361/0x5c0 net/socket.c:1727 SyS_sendto+0x40/0x50 net/socket.c:1695 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f01c79 RSP: 002b:00000000ff8e66fc EFLAGS: 00000286 ORIG_RAX: 0000000000000171 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000002000ffab RDX: 0000000000000055 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 95 00 00 00 48 8b 5b 18 48 b8 00 00 00 00 00 fc ff df 48 8d bb d8 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 80 00 00 00 48 8b 9b d8 03 00 00 48 b8 00 00 RIP: __netlink_ns_capable+0x8b/0x120 net/netlink/af_netlink.c:835 RSP: ffff8801bc6e6fc0 ---[ end trace 78c4d9bdf7370985 ]---