invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16158 Comm: syz-executor2 Not tainted 5.0.0-rc1+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1287 [inline]
RIP: 0010:close_fs_devices.part.0+0x7a1/0xa30 fs/btrfs/volumes.c:1306
kobject: 'loop4' (00000000c5c30c9e): kobject_uevent_env
Code: 04 25 28 00 00 00 0f 85 ee 01 00 00 48 81 c4 20 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 36 c8 8c fe 0f 0b e8 2f c8 8c fe <0f> 0b e8 28 c8 8c fe 0f 0b e9 ca fe ff ff e8 1c c8 8c fe 0f 0b e9
RSP: 0018:ffff88804d3df2c8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88809874f200 RCX: ffffc90009e03000
RDX: 000000000001d71c RSI: ffffffff82f52ee1 RDI: 0000000000000286
RBP: ffff88804d3df410 R08: ffff88808fb1e2c0 R09: ffffed1015ce5b90
R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: ffff8880a0771050
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888093988040
FS:  00007f0a27251700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002253000 CR3: 0000000088e7b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'loop4' (00000000c5c30c9e): fill_kobj_path: path = '/devices/virtual/block/loop4'
 close_fs_devices fs/btrfs/volumes.c:1338 [inline]
 btrfs_close_devices+0xa0/0x200 fs/btrfs/volumes.c:1324
 btrfs_mount_root+0xce3/0x14c0 fs/btrfs/super.c:1563
 mount_fs+0x123/0x43a fs/super.c:1258
 vfs_kern_mount.part.0+0xdb/0x570 fs/namespace.c:959
 vfs_kern_mount+0x40/0x60 fs/namespace.c:949
 btrfs_mount+0x47d/0x21be fs/btrfs/super.c:1614
 mount_fs+0x123/0x43a fs/super.c:1258
 vfs_kern_mount.part.0+0xdb/0x570 fs/namespace.c:959
 vfs_kern_mount fs/namespace.c:949 [inline]
 do_new_mount fs/namespace.c:2513 [inline]
 do_mount+0x58e/0x3330 fs/namespace.c:2847
 ksys_mount+0xdb/0x150 fs/namespace.c:3063
 __do_sys_mount fs/namespace.c:3077 [inline]
 __se_sys_mount fs/namespace.c:3074 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a93a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ed 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ca 8c fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f0a27250a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0a27250b30 RCX: 000000000045a93a
RDX: 00007f0a27250ad0 RSI: 0000000020000100 RDI: 00007f0a27250af0
RBP: 0000000020000100 R08: 00007f0a27250b30 R09: 00007f0a27250ad0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
R13: 0000000000000000 R14: 00000000004db638 R15: 0000000000000004
Modules linked in:
kobject: 'loop3' (000000004ac5fa71): kobject_uevent_env
kobject: 'loop3' (000000004ac5fa71): fill_kobj_path: path = '/devices/virtual/block/loop3'
---[ end trace 24bbe8caacda8f73 ]---
RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1287 [inline]
RIP: 0010:close_fs_devices.part.0+0x7a1/0xa30 fs/btrfs/volumes.c:1306
Code: 04 25 28 00 00 00 0f 85 ee 01 00 00 48 81 c4 20 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 36 c8 8c fe 0f 0b e8 2f c8 8c fe <0f> 0b e8 28 c8 8c fe 0f 0b e9 ca fe ff ff e8 1c c8 8c fe 0f 0b e9
kobject: 'loop1' (000000001cf34a87): kobject_uevent_env
kobject: 'loop1' (000000001cf34a87): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000d7cb4478): kobject_uevent_env
kobject: 'loop5' (00000000d7cb4478): fill_kobj_path: path = '/devices/virtual/block/loop5'
RSP: 0018:ffff88804d3df2c8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88809874f200 RCX: ffffc90009e03000
RDX: 000000000001d71c RSI: ffffffff82f52ee1 RDI: 0000000000000286
RBP: ffff88804d3df410 R08: ffff88808fb1e2c0 R09: ffffed1015ce5b90
R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: ffff8880a0771050
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888093988040
FS:  00007f0a27251700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'loop2' (00000000dca27664): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop2' (00000000dca27664): fill_kobj_path: path = '/devices/virtual/block/loop2'
CR2: 0000001b33424000 CR3: 0000000088e7b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop5' (00000000d7cb4478): kobject_uevent_env
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop5' (00000000d7cb4478): fill_kobj_path: path = '/devices/virtual/block/loop5'