WARNING: CPU: 1 PID: 2990 at ./include/net/sock.h:1507 sock_owned_by_me include/net/sock.h:1507 [inline] WARNING: CPU: 1 PID: 2990 at ./include/net/sock.h:1507 sock_owned_by_user include/net/sock.h:1513 [inline] WARNING: CPU: 1 PID: 2990 at ./include/net/sock.h:1507 strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2990 Comm: syzkaller212276 Not tainted 4.14.0-rc5-mm1+ #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1c4/0x1e0 kernel/panic.c:546 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:177 do_trap_no_signal arch/x86/kernel/traps.c:211 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:260 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:297 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:310 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:sock_owned_by_me include/net/sock.h:1507 [inline] RIP: 0010:sock_owned_by_user include/net/sock.h:1513 [inline] RIP: 0010:strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404 RSP: 0018:ffff8801db306b18 EFLAGS: 00010206 RAX: ffff8801d1d4c0c0 RBX: ffff8801ce00dc48 RCX: ffffffff847af437 RDX: 0000000000000100 RSI: ffff8801d0d3cb20 RDI: ffffffff85cc4d20 RBP: ffff8801db306b38 R08: 0000000000000005 R09: 1ffffffff0cddfc9 R10: ffff8801db306a00 R11: dffffc0000000000 R12: ffff8801d0d3ca80 R13: ffff8801ce00dc50 R14: ffff8801d1c31512 R15: 0000000000000001 psock_data_ready+0x56/0x70 net/kcm/kcmsock.c:353 tcp_child_process+0x559/0x990 net/ipv4/tcp_minisocks.c:819 tcp_v4_rcv+0x1827/0x2f80 net/ipv4/tcp_ipv4.c:1682 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:249 [inline] ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:465 [inline] ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397 NF_HOOK include/linux/netfilter.h:249 [inline] ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x1a3e/0x34b0 net/core/dev.c:4476 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4514 process_backlog+0x203/0x740 net/core/dev.c:5193 napi_poll net/core/dev.c:5591 [inline] net_rx_action+0x792/0x1910 net/core/dev.c:5657 __do_softirq+0x2d7/0xb85 kernel/softirq.c:284 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:957 do_softirq.part.22+0x14d/0x190 kernel/softirq.c:328 do_softirq kernel/softirq.c:176 [inline] __local_bh_enable_ip+0x135/0x160 kernel/softirq.c:181 local_bh_enable include/linux/bottom_half.h:31 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline] ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:238 [inline] ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:459 [inline] ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124 ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504 tcp_transmit_skb+0x1ab7/0x3840 net/ipv4/tcp_output.c:1137 tcp_send_ack.part.37+0x3bb/0x650 net/ipv4/tcp_output.c:3590 tcp_send_ack+0x49/0x60 net/ipv4/tcp_output.c:3560 tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:5735 [inline] tcp_rcv_state_process+0x4646/0x4850 net/ipv4/tcp_input.c:5870 tcp_v4_do_rcv+0x55c/0x7d0 net/ipv4/tcp_ipv4.c:1482 sk_backlog_rcv include/net/sock.h:909 [inline] __release_sock+0x124/0x360 net/core/sock.c:2264 release_sock+0xa4/0x2a0 net/core/sock.c:2776 inet_wait_for_connect net/ipv4/af_inet.c:558 [inline] __inet_stream_connect+0x651/0xf00 net/ipv4/af_inet.c:644 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:683 SYSC_connect+0x204/0x470 net/socket.c:1641 SyS_connect+0x24/0x30 net/socket.c:1622 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x43ff69 RSP: 002b:00007ffd0e014d48 EFLAGS: 00000217 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ff69 RDX: 0000000000000010 RSI: 00000000200d1ff0 RDI: 0000000000000004 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018d0 R13: 0000000000401960 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..