check_preemption_disabled: 8 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.2/7214
caller is dev_recursion_level include/linux/netdevice.h:3052 [inline]
caller is ip6_skb_dst_mtu include/net/ip6_route.h:245 [inline]
caller is ip6_finish_output+0x28b/0xb20 net/ipv6/ip6_output.c:149
CPU: 0 PID: 7214 Comm: syz-executor.2 Not tainted 5.1.0-rc2+ #1
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+0x113/0x167 lib/dump_stack.c:113
 __this_cpu_preempt_check+0x1d2/0x200 lib/smp_processor_id.c:47
 dev_recursion_level include/linux/netdevice.h:3052 [inline]
 ip6_skb_dst_mtu include/net/ip6_route.h:245 [inline]
 ip6_finish_output+0x28b/0xb20 net/ipv6/ip6_output.c:149
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x1bf/0x630 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:433 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip6_xmit+0xc22/0x1f30 net/ipv6/ip6_output.c:275
 inet6_csk_xmit+0x256/0x450 net/ipv6/inet6_connection_sock.c:139
 __tcp_transmit_skb+0x176e/0x3690 net/ipv4/tcp_output.c:1155
 tcp_transmit_skb net/ipv4/tcp_output.c:1171 [inline]
 tcp_send_syn_data net/ipv4/tcp_output.c:3494 [inline]
 tcp_connect+0x194e/0x3fd0 net/ipv4/tcp_output.c:3533
 tcp_v6_connect+0x13cd/0x1d90 net/ipv6/tcp_ipv6.c:331
 __inet_stream_connect+0x66b/0xd20 net/ipv4/af_inet.c:659
 tcp_sendmsg_fastopen net/ipv4/tcp.c:1155 [inline]
 tcp_sendmsg_locked+0x20b9/0x3bf0 net/ipv4/tcp.c:1197
 tcp_sendmsg+0x27/0x40 net/ipv4/tcp.c:1431
 inet_sendmsg+0x10d/0x460 net/ipv4/af_inet.c:802
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xb7/0xf0 net/socket.c:661
 __sys_sendto+0x1f2/0x2e0 net/socket.c:1932
 __do_sys_sendto net/socket.c:1944 [inline]
 __se_sys_sendto net/socket.c:1940 [inline]
 __x64_sys_sendto+0xdc/0x1a0 net/socket.c:1940
 do_syscall_64+0xd6/0x4e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4582b9
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:00007fc031b4fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004582b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000020000380 R09: 000000000000001c
R10: 0000000020000000 R11: 0000000000000246 R12: 00007fc031b506d4
R13: 00000000004c59b6 R14: 00000000004d9d10 R15: 00000000ffffffff