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: 9574 Comm: syz-executor043 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+0x65/0x2b0 net/netfilter/nft_tunnel.c:83 Code: 02 00 00 4c 8b 6b 08 4d 85 ed 0f 84 ba 01 00 00 e8 a0 8d 08 fb 49 8d 7d 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 df RSP: 0018:ffffc90007d67388 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff88808b470008 RCX: ffffffff866720af RDX: 0000000000000000 RSI: ffffffff866c67e0 RDI: 0000000000000004 RBP: ffffc90007d673b8 R08: ffff88809ef8c1c0 R09: ffffed1015d2703d R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff88809e914d18 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90007d67488 FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000009215840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000200009da CR3: 00000000a3443000 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+0xd96/0x2400 net/netfilter/nf_tables_api.c:3074 nfnetlink_rcv_batch+0xf42/0x17a0 net/netfilter/nfnetlink.c:433 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] nfnetlink_rcv+0x3e7/0x460 net/netfilter/nfnetlink.c:561 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:639 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:659 ____sys_sendmsg+0x753/0x880 net/socket.c:2330 ___sys_sendmsg+0x100/0x170 net/socket.c:2384 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417 __compat_sys_sendmsg net/compat.c:642 [inline] __do_compat_sys_sendmsg net/compat.c:649 [inline] __se_compat_sys_sendmsg net/compat.c:646 [inline] __ia32_compat_sys_sendmsg+0x7a/0xb0 net/compat.c:646 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f72a39 Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ffb37dec EFLAGS: 00000202 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000240 RDX: 0000000000000000 RSI: 00000000080eb00c RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 4f35fc97cd02d062 ]--- RIP: 0010:nla_get_be32 include/net/netlink.h:1483 [inline] RIP: 0010:nft_tunnel_get_init+0x65/0x2b0 net/netfilter/nft_tunnel.c:83 Code: 02 00 00 4c 8b 6b 08 4d 85 ed 0f 84 ba 01 00 00 e8 a0 8d 08 fb 49 8d 7d 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 df RSP: 0018:ffffc90007d67388 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff88808b470008 RCX: ffffffff866720af RDX: 0000000000000000 RSI: ffffffff866c67e0 RDI: 0000000000000004 RBP: ffffc90007d673b8 R08: ffff88809ef8c1c0 R09: ffffed1015d2703d R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff88809e914d18 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90007d67488 FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000009215840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000200009da CR3: 00000000a3443000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400