kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8526 Comm: syz-executor229 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:nla_get_be32 include/net/netlink.h:1483 [inline] RIP: 0010:nft_tunnel_get_init+0x9b/0x330 net/netfilter/nft_tunnel.c:83 Code: 24 00 0f 84 c3 01 00 00 e8 12 7e d8 fa 49 bc 00 00 00 00 00 fc ff df 4c 89 7d c0 49 83 c6 08 48 83 c3 04 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 ae 01 00 00 8b 1b 0f cb 4d 89 f7 49 c1 ef RSP: 0018:ffffc90001df76c8 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff88808d6c2000 RDX: 0000000000000000 RSI: ffff8880a2594b98 RDI: ffffc90001df77b8 RBP: ffffc90001df7708 R08: ffffffff86977bb8 R09: ffffed1015da6fc5 R10: ffffed1015da6fc5 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888093970008 R14: ffff8880a2594ba0 R15: ffffc90001df77b8 FS: 000000000213a880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200009c6 CR3: 00000000923e8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nf_tables_newexpr net/netfilter/nf_tables_api.c:2466 [inline] nf_tables_newrule+0x1541/0x2d90 net/netfilter/nf_tables_api.c:3074 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:433 [inline] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] nfnetlink_rcv+0xecf/0x1e50 net/netfilter/nfnetlink.c:561 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x767/0x920 net/netlink/af_netlink.c:1328 netlink_sendmsg+0xa2c/0xd50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:639 [inline] sock_sendmsg net/socket.c:659 [inline] ____sys_sendmsg+0x4f7/0x7f0 net/socket.c:2330 ___sys_sendmsg net/socket.c:2384 [inline] __sys_sendmsg+0x1ed/0x290 net/socket.c:2417 __do_sys_sendmsg net/socket.c:2426 [inline] __se_sys_sendmsg net/socket.c:2424 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2424 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd61e6f9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004407b9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00000000006ca018 R08: 0000000000000001 R09: 00000000004002c8 R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000402040 R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace e001d1c2698e18d8 ]--- RIP: 0010:nla_get_be32 include/net/netlink.h:1483 [inline] RIP: 0010:nft_tunnel_get_init+0x9b/0x330 net/netfilter/nft_tunnel.c:83 Code: 24 00 0f 84 c3 01 00 00 e8 12 7e d8 fa 49 bc 00 00 00 00 00 fc ff df 4c 89 7d c0 49 83 c6 08 48 83 c3 04 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 ae 01 00 00 8b 1b 0f cb 4d 89 f7 49 c1 ef RSP: 0018:ffffc90001df76c8 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff88808d6c2000 RDX: 0000000000000000 RSI: ffff8880a2594b98 RDI: ffffc90001df77b8 RBP: ffffc90001df7708 R08: ffffffff86977bb8 R09: ffffed1015da6fc5 R10: ffffed1015da6fc5 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888093970008 R14: ffff8880a2594ba0 R15: ffffc90001df77b8 FS: 000000000213a880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200009c6 CR3: 00000000923e8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400