check_preemption_disabled: 1 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.4/8027
caller is dev_recursion_level include/linux/netdevice.h:3052 [inline]
caller is sk_mc_loop+0x1d/0x210 net/core/sock.c:705
CPU: 0 PID: 8027 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]
 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:1462
 udp_send_skb.isra.0+0x6b2/0x1180 net/ipv4/udp.c:901
 udp_sendmsg+0x1dfd/0x2820 net/ipv4/udp.c:1188
 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_sendmsg+0x806/0x930 net/socket.c:2260
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298
 __do_sys_sendmsg net/socket.c:2307 [inline]
 __se_sys_sendmsg net/socket.c:2305 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305
 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:00007f4f2e2acc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004582b9
RDX: 0000000000000000 RSI: 0000000020003d00 RDI: 0000000000000005
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f2e2ad6d4
R13: 00000000004c58ba R14: 00000000004d9b78 R15: 00000000ffffffff