invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4142 Comm: syz-executor4 Not tainted 4.20.0+ #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
binder: BINDER_SET_CONTEXT_MGR already set
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
binder: 4139:4141 ioctl 40046207 0 returned -16
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 c6 c1 8c fe 0f 0b e8 bf c1 8c fe <0f> 0b e8 b8 c1 8c fe 0f 0b e9 ca fe ff ff e8 ac c1 8c fe 0f 0b e9
RSP: 0018:ffff888078ddf368 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8880963f36c0 RCX: ffffc90005a65000
RDX: 000000000001cc7e RSI: ffffffff82f536d1 RDI: 0000000000000286
RBP: ffff888078ddf4b0 R08: ffff88808ebde280 R09: ffffed1015ce5b90
R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: ffff88809f6f6490
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880a6ab0000
FS:  00007fcc5df9c700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000940004 CR3: 00000000990ae000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 close_fs_devices fs/btrfs/volumes.c:1338 [inline]
 btrfs_close_devices+0xa0/0x200 fs/btrfs/volumes.c:1324
 btrfs_mount_root+0x13c6/0x1db0 fs/btrfs/super.c:1619
 mount_fs+0xae/0x331 fs/super.c:1261
 vfs_kern_mount.part.0+0xdb/0x570 fs/namespace.c:961
 vfs_kern_mount+0x40/0x60 fs/namespace.c:951
 btrfs_mount+0x47d/0x21be fs/btrfs/super.c:1670
 mount_fs+0xae/0x331 fs/super.c:1261
 vfs_kern_mount.part.0+0xdb/0x570 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x576/0x3110 fs/namespace.c:2801
 ksys_mount+0xdb/0x150 fs/namespace.c:3017
 __do_sys_mount fs/namespace.c:3031 [inline]
 __se_sys_mount fs/namespace.c:3028 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3028
 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:00007fcc5df9ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcc5df9bb30 RCX: 000000000045a93a
RDX: 00007fcc5df9bad0 RSI: 0000000020000100 RDI: 00007fcc5df9baf0
RBP: 0000000020000100 R08: 00007fcc5df9bb30 R09: 00007fcc5df9bad0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006
R13: 0000000000000000 R14: 00000000004db638 R15: 0000000000000005
Modules linked in:
kobject: 'loop0' (000000005a09fe1a): kobject_uevent_env
kobject: 'loop0' (000000005a09fe1a): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (0000000065dfaf0b): kobject_uevent_env
kobject: 'loop3' (0000000065dfaf0b): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
binder: 4158:4159 ioctl 40046207 0 returned -16
kobject: 'loop0' (000000005a09fe1a): kobject_uevent_env
kobject: 'loop0' (000000005a09fe1a): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f94b48bb): kobject_uevent_env
kobject: 'loop2' (00000000f94b48bb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000c6b2f585): kobject_uevent_env
---[ end trace 69c9aa26014209b0 ]---
kobject: 'loop1' (00000000c6b2f585): fill_kobj_path: path = '/devices/virtual/block/loop1'
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: 'loop3' (0000000065dfaf0b): kobject_uevent_env
kobject: 'loop3' (0000000065dfaf0b): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
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 c6 c1 8c fe 0f 0b e8 bf c1 8c fe <0f> 0b e8 b8 c1 8c fe 0f 0b e9 ca fe ff ff e8 ac c1 8c fe 0f 0b e9
kobject: 'loop2' (00000000f94b48bb): kobject_uevent_env
kobject: 'loop2' (00000000f94b48bb): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: 4161:4169 ioctl 40046207 0 returned -16
kobject: 'loop0' (000000005a09fe1a): kobject_uevent_env
kobject: 'loop0' (000000005a09fe1a): fill_kobj_path: path = '/devices/virtual/block/loop0'
RSP: 0018:ffff888078ddf368 EFLAGS: 00010216
kobject: 'loop1' (00000000c6b2f585): kobject_uevent_env
kobject: 'loop1' (00000000c6b2f585): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000065dfaf0b): kobject_uevent_env
RAX: 0000000000040000 RBX: ffff8880963f36c0 RCX: ffffc90005a65000
kobject: 'loop3' (0000000065dfaf0b): fill_kobj_path: path = '/devices/virtual/block/loop3'
RDX: 000000000001cc7e RSI: ffffffff82f536d1 RDI: 0000000000000286
RBP: ffff888078ddf4b0 R08: ffff88808ebde280 R09: ffffed1015ce5b90
R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: ffff88809f6f6490
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880a6ab0000
FS:  00007fcc5df9c700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (00000000b1afe58b): kobject_uevent_env
CR2: 000000000070a158 CR3: 00000000990ae000 CR4: 00000000001426f0
kobject: 'loop4' (00000000b1afe58b): fill_kobj_path: path = '/devices/virtual/block/loop4'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400