RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000000004d1 R14: 00000000006fc438 R15: 0000000000000022
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: 0 PID: 17918 Comm: syz-executor2 Not tainted 4.17.0-rc7+ #73
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fuse_ctl_remove_conn+0xc8/0x1b0 fs/fuse/control.c:286
RSP: 0018:ffff88018418f968 EFLAGS: 00010202
RAX: 0000000000000075 RBX: ffff8801ce6959a0 RCX: ffffc9000bb0e000
RDX: 0000000000040000 RSI: ffffffff8264818a RDI: 00000000000003a8
RBP: ffff88018418f990 R08: ffff88019a3da340 R09: ffffed003b5c46d2
R10: ffffed003b5c46d2 R11: ffff8801dae23693 R12: 0000000000000000
R13: ffff8801b6ea0fc8 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f1ee6486700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004dae84 CR3: 0000000194f66000 CR4: 00000000001406f0
DR0: 00000000200001c0 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 fuse_ctl_add_conn+0x261/0x280 fs/fuse/control.c:269
 fuse_ctl_fill_super+0xf7/0x160 fs/fuse/control.c:307
 mount_single+0xfb/0x170 fs/super.c:1246
 fuse_ctl_mount+0x2c/0x40 fs/fuse/control.c:322
 mount_fs+0xae/0x328 fs/super.c:1277
 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
 vfs_kern_mount fs/namespace.c:1027 [inline]
 do_new_mount fs/namespace.c:2518 [inline]
 do_mount+0x564/0x3070 fs/namespace.c:2848
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007f1ee6485c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1ee64866d4 RCX: 0000000000455a09
bridge0: port 1(bridge_slave_0) entered blocking state
RDX: 0000000020000300 RSI: 0000000020000380 RDI: 00000000200002c0
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000000004d1 R14: 00000000006fc438 R15: 0000000000000022
Code: 
bridge0: port 1(bridge_slave_0) entered disabled state
8b 5d 00 48 8d 7b 58 48 89 f8 48 
device bridge_slave_0 entered promiscuous mode
c1 e8 03 42 80 3c 30 00 0f 85 cc 00 00 00 4c 8b 7b 58 49 8d bf a8 03 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a5 00 00 00 48 89 df 41 83 ec 01 49 83 ed 
bridge0: port 2(bridge_slave_1) entered blocking state
RIP: fuse_ctl_remove_conn+0xc8/0x1b0 fs/fuse/control.c:286 RSP: ffff88018418f968
---[ end trace a1287e71961350c3 ]---
bridge0: port 2(bridge_slave_1) entered disabled state