check_preemption_disabled: 3 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.4/8156
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+0x335/0xdc0 net/ipv6/ip6_output.c:149
CPU: 0 PID: 8156 Comm: syz-executor.4 Not tainted 5.1.0-rc3-next-20190405 #19
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+0x172/0x1f0 lib/dump_stack.c:113
 __this_cpu_preempt_check+0x246/0x270 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+0x335/0xdc0 net/ipv6/ip6_output.c:149
 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:433 [inline]
 ip6_local_out+0xc4/0x1b0 net/ipv6/output_core.c:178
 ip6_send_skb+0xbb/0x350 net/ipv6/ip6_output.c:1735
 ip6_push_pending_frames+0xc8/0xf0 net/ipv6/ip6_output.c:1755
 rawv6_push_pending_frames net/ipv6/raw.c:615 [inline]
 rawv6_sendmsg+0x299c/0x35e0 net/ipv6/raw.c:945
 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:661
 __sys_sendto+0x262/0x380 net/socket.c:1932
 __do_sys_sendto net/socket.c:1944 [inline]
 __se_sys_sendto net/socket.c:1940 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1940
 do_syscall_64+0x103/0x610 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:00007f968c6d1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004582b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000020000180 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f968c6d26d4
R13: 00000000004c59b6 R14: 00000000004d9d10 R15: 00000000ffffffff