syzbot

raw_sendmsg: syz-executor800 forgot to set AF_INET. Fix it!
check_preemption_disabled: 3 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor800/7836
caller is dev_recursion_level include/linux/netdevice.h:3052 [inline]
caller is sk_mc_loop+0x1d/0x210 net/core/sock.c:705
CPU: 1 PID: 7836 Comm: syz-executor800 Not tainted 5.1.0-rc2+ #118
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]
 sk_mc_loop+0x1d/0x210 net/core/sock.c:705
 ip_mc_output+0x2ef/0xf70 net/ipv4/ip_output.c:352
 dst_output include/net/dst.h:433 [inline]
 ip_local_out+0xc4/0x1b0 net/ipv4/ip_output.c:124
 ip_send_skb+0x42/0xf0 net/ipv4/ip_output.c:1465
 ip_push_pending_frames+0x64/0x80 net/ipv4/ip_output.c:1485
 raw_sendmsg+0x1e6d/0x2f20 net/ipv4/raw.c:676
 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: 0033:0x4401a9
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffeb42a53c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00000000006ca01