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: 0 PID: 15258 Comm: syz-executor.3 Not tainted 5.1.0-rc4+ #165 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:xfrm_lookup_with_ifid+0xf0/0x1ce0 net/xfrm/xfrm_policy.c:3027 Code: c1 e8 03 42 80 3c 28 00 0f 85 d3 19 00 00 48 8b 85 f0 fe ff ff 4c 8b 68 08 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e 99 15 00 00 41 0f b7 45 00 4d RSP: 0018:ffff8880ae807400 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88809125a040 RDX: 0000000000000000 RSI: ffffffff8607b22a RDI: ffff88808dbc8100 RBP: ffff8880ae807550 R08: 0000000000000006 R09: 0000000000000000 R10: ffffed1015d05bc7 R11: 0000000000000000 R12: ffff88809125a040 R13: 0000000000000000 R14: ffff8880959a505c R15: ffff8880ae807528 FS: 00007fc57af79700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000673fb000 CR4: 00000000001406f0 Call Trace: xfrm_lookup net/xfrm/xfrm_policy.c:3175 [inline] xfrm_lookup_route+0x3b/0x1f0 net/xfrm/xfrm_policy.c:3186 ip6_dst_lookup_flow+0x189/0x220 net/ipv6/ip6_output.c:1100 cookie_v6_check+0x10b1/0x20e0 net/ipv6/syncookies.c:243 tcp_v6_cookie_check net/ipv6/tcp_ipv6.c:1030 [inline] tcp_v6_do_rcv+0x10dd/0x13c0 net/ipv6/tcp_ipv6.c:1338 tcp_v6_rcv+0x2d2c/0x3530 net/ipv6/tcp_ipv6.c:1547 ip6_protocol_deliver_rcu+0x303/0x16c0 net/ipv6/ip6_input.c:394 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip6_input+0xe4/0x3f0 net/ipv6/ip6_input.c:443 dst_input include/net/dst.h:450 [inline] ip6_rcv_finish+0x1e7/0x320 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:272 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4987 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5099 process_backlog+0x206/0x750 net/core/dev.c:5939 napi_poll net/core/dev.c:6362 [inline] net_rx_action+0x4fa/0x1070 net/core/dev.c:6428 __do_softirq+0x266/0x95a kernel/softirq.c:293 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:338 do_softirq kernel/softirq.c:330 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:190 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:684 [inline] ip6_finish_output2+0xbcf/0x2550 net/ipv6/ip6_output.c:121 ip6_finish_output+0x577/0xc30 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x235/0x7f0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip6_xmit+0xe41/0x20c0 net/ipv6/ip6_output.c:275 inet6_csk_xmit+0x2fb/0x5d0 net/ipv6/inet6_connection_sock.c:139 __tcp_transmit_skb+0x1a32/0x3750 net/ipv4/tcp_output.c:1159 tcp_transmit_skb net/ipv4/tcp_output.c:1175 [inline] tcp_write_xmit+0xe83/0x5310 net/ipv4/tcp_output.c:2400 __tcp_push_pending_frames+0xb4/0x350 net/ipv4/tcp_output.c:2576 tcp_push+0x4cd/0x6c0 net/ipv4/tcp.c:735 do_tcp_sendpages+0x15c2/0x1b80 net/ipv4/tcp.c:1058 tls_push_sg+0x1de/0x680 net/tls/tls_main.c:122 tls_tx_records+0x3c8/0x760 net/tls/tls_sw.c:392 tls_push_record+0x1e88/0x33f0 net/tls/tls_sw.c:735 bpf_exec_tx_verdict+0xe30/0x1280 net/tls/tls_sw.c:755 tls_sw_sendmsg+0x107c/0x17b0 net/tls/tls_sw.c:965 inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 sock_write_iter+0x27c/0x3e0 net/socket.c:988 call_write_iter include/linux/fs.h:1866 [inline] new_sync_write+0x4c7/0x760 fs/read_write.c:474 __vfs_write+0xe4/0x110 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc57af78c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 00000000000006e2 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc57af796d4 R13: 00000000004c8623 R14: 00000000004ded68 R15: 00000000ffffffff Modules linked in: ---[ end trace de5b647e8345394f ]--- RIP: 0010:xfrm_lookup_with_ifid+0xf0/0x1ce0 net/xfrm/xfrm_policy.c:3027 Code: c1 e8 03 42 80 3c 28 00 0f 85 d3 19 00 00 48 8b 85 f0 fe ff ff 4c 8b 68 08 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e 99 15 00 00 41 0f b7 45 00 4d RSP: 0018:ffff8880ae807400 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88809125a040 RDX: 0000000000000000 RSI: ffffffff8607b22a RDI: ffff88808dbc8100 RBP: ffff8880ae807550 R08: 0000000000000006 R09: 0000000000000000 R10: ffffed1015d05bc7 R11: 0000000000000000 R12: ffff88809125a040 R13: 0000000000000000 R14: ffff8880959a505c R15: ffff8880ae807528 FS: 00007fc57af79700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000673fb000 CR4: 00000000001406f0