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BTRFS warning (device loop0): couldn't read tree root
assertion failed: !tmp, in fs/btrfs/disk-io.c:1002
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kernel BUG at fs/btrfs/messages.c:259!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5966 Comm: syz-executor147 Not tainted 6.4.0-rc2-syzkaller-gf1fcbaa18b28 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258
lr : btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258
sp : ffff80001e7d7140
x29: ffff80001e7d7140 x28: ffff0000c7676000 x27: dfff800000000000
x26: ffff0000c6fe8000 x25: ffff0000c6fe8000 x24: dfff800000000000
x23: 0000000000000000 x22: ffff0000c76761f7 x21: ffff0000d83a40a0
x20: ffff0000d83a4060 x19: ffff0000c7676000 x18: 1fffe00036844bbe
x17: 0000000000000000 x16: ffff80001243078c x15: 0000000000000001
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 4a9a9c4f2e64d100
x8 : 4a9a9c4f2e64d100 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001e7d6a58 x4 : ffff800015f8e880 x3 : ffff800008594020
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000032
Call trace:
 btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258
 btrfs_global_root_delete+0x0/0x70 fs/btrfs/disk-io.c:1002
 load_global_roots_objectid+0x3e0/0x808 fs/btrfs/disk-io.c:2384
 load_global_roots fs/btrfs/disk-io.c:2418 [inline]
 btrfs_read_roots fs/btrfs/disk-io.c:2445 [inline]
 init_tree_roots+0x7d4/0x177c fs/btrfs/disk-io.c:2868
 open_ctree+0x143c/0x24f0 fs/btrfs/disk-io.c:3566
 btrfs_fill_super+0x1b4/0x2e4 fs/btrfs/super.c:1156
 btrfs_mount_root+0x704/0x808 fs/btrfs/super.c:1524
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1510
 fc_mount fs/namespace.c:1035 [inline]
 vfs_kern_mount+0xdc/0x178 fs/namespace.c:1065
 btrfs_mount+0x330/0x9c8 fs/btrfs/super.c:1584
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1510
 do_new_mount+0x25c/0x8c8 fs/namespace.c:3039
 path_mount+0x590/0xe04 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: aa0003e1 b0002c40 913d8000 97ffde01 (d4210000) 
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