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: 8286 Comm: syz-executor3 Not tainted 4.18.0-rc6-next-20180725+ #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_ioctl+0x880/0x1250 net/smc/af_smc.c:1734
Code: 48 c1 ea 03 80 3c 02 00 0f 85 e4 07 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c2 07 00 00 4c 8d bb f8 04 00
RSP: 0018:ffff880195e175c8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801cae2b1c0 RCX: ffffc90004a22000
RDX: 0000000000000004 RSI: ffffffff86839082 RDI: 0000000000000020
RBP: ffff880195e179b0 R08: ffff8801966ba740 R09: 0000000000000000
R10: ffffed00395c5649 R11: ffff8801cae2b24b R12: 1ffff10032bc2ebd
R13: 0000000000000000 R14: 00000000200002c0 R15: 0000000000000001
FS:  00007f8436c4a700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000702076 CR3: 0000000195f69000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_do_ioctl+0xe4/0x3e0 net/socket.c:951
 sock_ioctl+0x30d/0x680 net/socket.c:1075
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8436c49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8436c4a6d4 RCX: 0000000000456a09
RDX: 00000000200002c0 RSI: 0000000000005411 RDI: 0000000000000013
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d0eb0 R14: 00000000004c6911 R15: 0000000000000001
bridge0: port 1(bridge_slave_0) entered blocking state
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 1c20cac487e9c06e ]---
bridge0: port 1(bridge_slave_0) entered disabled state
RIP: 0010:smc_ioctl+0x880/0x1250 net/smc/af_smc.c:1734
Code: 48 c1 ea 03 80 3c 02 00 0f 85 e4 07 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c2 07 00 00 4c 8d bb f8 04 00
device bridge_slave_0 entered promiscuous mode
RSP: 0018:ffff880195e175c8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801cae2b1c0 RCX: ffffc90004a22000
RDX: 0000000000000004 RSI: ffffffff86839082 RDI: 0000000000000020
bridge0: port 2(bridge_slave_1) entered blocking state
RBP: ffff880195e179b0 R08: ffff8801966ba740 R09: 0000000000000000
R10: ffffed00395c5649 R11: ffff8801cae2b24b R12: 1ffff10032bc2ebd
R13: 0000000000000000 R14: 00000000200002c0 R15: 0000000000000001
FS:  00007f8436c4a700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
bridge0: port 2(bridge_slave_1) entered disabled state
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000702076 CR3: 0000000195f69000 CR4: 00000000001406e0
device bridge_slave_1 entered promiscuous mode
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400