kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 10075 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_ioctl+0x3dc/0x9f0 net/smc/af_smc.c:1499
RSP: 0018:ffff8801b3047770 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801c6ef8000 RCX: ffffc900060c1000
RDX: 0000000000000004 RSI: ffffffff8741189e RDI: 0000000000000020
RBP: ffff8801b30479d0 R08: ffff8801af224480 R09: ffffed003b5e46c2
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff10036608ef1
R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcfeb93f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fde720310 CR3: 00000001bd5d1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_do_ioctl+0xe4/0x3e0 net/socket.c:957
 sock_ioctl+0x30d/0x680 net/socket.c:1081
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007fcfeb93ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcfeb93f6d4 RCX: 0000000000455a09
RDX: 00000000200000c0 RSI: 0000000000005411 RDI: 0000000000000015
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000044b R14: 00000000006fa7a8 R15: 0000000000000000
Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 7d 05 00 00 4c 8b b3 90 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 47 05 00 00 45 8b 7e 20 4c 
RIP: smc_ioctl+0x3dc/0x9f0 net/smc/af_smc.c:1499 RSP: ffff8801b3047770
---[ end trace 4e903023039d5843 ]---