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
CPU: 1 PID: 14215 Comm: syz-executor4 Not tainted 4.18.0-rc1+ #107
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_ioctl+0x49b/0xd00 net/smc/af_smc.c:1504
Code: 48 c1 ea 03 80 3c 02 00 0f 85 4e 08 00 00 49 8b 9e 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 18 08 00 00 4d 8d be f8 04 00 
RSP: 0018:ffff88018aec7750 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002829000
RDX: 0000000000000004 RSI: ffffffff875ff49d RDI: 0000000000000020
RBP: ffff88018aec79b0 R08: ffff8801cf81a380 R09: ffffed003b5e46d6
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff100315d8eed
R13: 0000000020001080 R14: ffff8801aa95c800 R15: 000000000000000a
FS:  00007ff190668700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f128000 CR3: 00000001c69be000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_do_ioctl+0xe4/0x3e0 net/socket.c:973
 sock_ioctl+0x30d/0x680 net/socket.c:1097
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x1de/0x1720 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+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455b29
Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007ff190667c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff1906686d4 RCX: 0000000000455b29
RDX: 0000000020001080 RSI: 0000000000005411 RDI: 0000000000000015
RBP: 000000000072bf50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004bf7cb R14: 00000000004ce338 R15: 0000000000000001
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 64b6a8d799fcbef1 ]---
RIP: 0010:smc_ioctl+0x49b/0xd00 net/smc/af_smc.c:1504
Code: 48 c1 ea 03 80 3c 02 00 0f 85 4e 08 00 00 49 8b 9e 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 18 08 00 00 4d 8d be f8 04 00 
RSP: 0018:ffff88018aec7750 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002829000
RDX: 0000000000000004 RSI: ffffffff875ff49d RDI: 0000000000000020
RBP: ffff88018aec79b0 R08: ffff8801cf81a380 R09: ffffed003b5e46d6
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff100315d8eed
R13: 0000000020001080 R14: ffff8801aa95c800 R15: 000000000000000a
FS:  00007ff190668700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f128000 CR3: 00000001c69be000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400