BTRFS warning (device loop0): discard failed for extent [5431296, 5451775]: errno=-512 unknown
------------[ cut here ]------------
btrfs_abort_should_print_stack(__error)
WARNING: fs/btrfs/volumes.c:3577 at btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3577, CPU#0: syz.0.62/6359
Modules linked in:
CPU: 0 UID: 0 PID: 6359 Comm: syz.0.62 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3577
Code: 24 fb 74 12 83 3c 24 f4 75 1a e8 50 6f a4 fd eb 1c e8 b9 07 c1 07 e8 44 6f a4 fd eb 10 e8 3d 6f a4 fd eb 09 e8 36 6f a4 fd 90 <0f> 0b 90 48 8b 04 24 89 c1 f7 d9 e9 43 fc ff ff 44 89 f1 80 e1 07
RSP: 0018:ffffc90002fbf960 EFLAGS: 00010283
RAX: ffffffff84234bea RBX: ffffffffffffffe4 RCX: 0000000000080000
RDX: ffffc90003c21000 RSI: 000000000002fa5c RDI: 000000000002fa5d
RBP: ffffc90002fbfa98 R08: ffff88807fb9ddc0 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff920005f7f3c
R13: ffff888056880000 R14: ffff888056880001 R15: dffffc0000000000
FS:  00007fa17b3b66c0(0000) GS:ffff888124cd8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c17c710450 CR3: 000000005689e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 btrfs_relocate_chunk_finish fs/btrfs/volumes.c:3665 [inline]
 btrfs_relocate_chunk+0x3e5/0x810 fs/btrfs/volumes.c:3719
 __btrfs_balance+0x1b5f/0x29d0 fs/btrfs/volumes.c:4637
 btrfs_balance+0xaa6/0x1180 fs/btrfs/volumes.c:5024
 btrfs_ioctl_balance+0x3da/0x640 fs/btrfs/ioctl.c:3494
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa17a59e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa17b3b6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa17a825fa0 RCX: 00007fa17a59e159
RDX: 0000200000000780 RSI: 00000000c4009420 RDI: 0000000000000005
RBP: 00007fa17a635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa17a826038 R14: 00007fa17a825fa0 R15: 00007ffcbef48e58
 </TASK>