IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 dst_release: dst:(____ptrval____) refcnt:-1 WARNING: CPU: 0 PID: 4872 at include/net/dst.h:239 dst_hold include/net/dst.h:239 [inline] WARNING: CPU: 0 PID: 4872 at include/net/dst.h:239 dst_clone include/net/dst.h:259 [inline] WARNING: CPU: 0 PID: 4872 at include/net/dst.h:239 ip6_sk_dst_lookup_flow+0x8cc/0xac0 net/ipv6/ip6_output.c:1117 dst_release: dst:(____ptrval____) refcnt:-1 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 4872 Comm: syz-executor919 Not tainted 4.18.0-rc5+ #150 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 dst_release: dst:(____ptrval____) refcnt:-2 panic+0x238/0x4e7 kernel/panic.c:184 dst_release: dst:(____ptrval____) refcnt:-3 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 dst_release: dst:(____ptrval____) refcnt:-4 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 dst_release: dst:(____ptrval____) refcnt:-5 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 dst_release: dst:(____ptrval____) refcnt:-6 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:dst_hold include/net/dst.h:239 [inline] RIP: 0010:dst_clone include/net/dst.h:259 [inline] RIP: 0010:ip6_sk_dst_lookup_flow+0x8cc/0xac0 net/ipv6/ip6_output.c:1117 Code: ff 4c dst_release: dst:(____ptrval____) refcnt:-7 89 ff e8 f5 c7 22 fb e9 56 f9 ff ff e8 0b c8 22 fb e9 c1 f9 ff dst_release: dst:(____ptrval____) refcnt:-8 ff 4c 89 ef e8 fe c7 22 fb e9 2c fc ff ff dst_release: dst:(____ptrval____) refcnt:-9 e8 f4 e8 e4 fa <0f> 0b e9 16 fe ff ff e8 08 c8 22 fb e9 04 f9 ff ff e8 4e 10 b0 fa RSP: 0018:ffff8801ca9ef3a0 EFLAGS: 00010293 RAX: ffff8801c69aa700 RBX: ffff8801b2adb200 RCX: ffffffff8697202f RDX: 0000000000000000 RSI: ffffffff8697224c RDI: 0000000000000005 RBP: ffff8801ca9ef450 R08: ffff8801c69aa700 R09: ffffed003655b648 R10: ffffed003655b648 R11: ffff8801b2adb243 R12: ffff8801be0c57c0 R13: ffff8801ca9ef6a0 R14: 0000000000000000 R15: ffff8801b2adb240 udpv6_sendmsg+0x20f9/0x35f0 net/ipv6/udp.c:1357 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:641 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:651 ___sys_sendmsg+0x51d/0x930 net/socket.c:2125 __sys_sendmmsg+0x240/0x6f0 net/socket.c:2220 __do_sys_sendmmsg net/socket.c:2249 [inline] __se_sys_sendmmsg net/socket.c:2246 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2246 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446ba9 Code: e8 cc bb 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4010c09da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00000000006dcc54 RCX: 0000000000446ba9 RDX: 00000000000000b8 RSI: 0000000020001b00 RDI: 0000000000000003 RBP: 00000000006dcc50 R08: 00007f4010c0a700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 45c828efc7a64843 R13: e6eeb815b9d8a477 R14: 5068caf6f713c6fc R15: 0000000000000001 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..