BTRFS info (device loop5): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
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WARNING: fs/btrfs/space-info.h:257 at btrfs_space_info_update_bytes_may_use+0x318/0x600 fs/btrfs/space-info.h:257, CPU#1: syz-executor/5838
Modules linked in:
CPU: 1 UID: 0 PID: 5838 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:btrfs_space_info_update_bytes_may_use+0x318/0x600 fs/btrfs/space-info.h:257
Code: 00 00 74 08 4c 89 ff e8 a6 ef 2b fe 4d 8b 27 4c 89 e7 48 8b 6c 24 18 48 89 ee e8 33 ed c4 fd 49 39 ec 73 1c e8 c9 ea c4 fd 90 <0f> 0b 90 31 db 43 80 7c 35 00 00 0f 85 48 ff ff ff e9 4b ff ff ff
RSP: 0018:ffffc900036579f0 EFLAGS: 00010293
RAX: ffffffff83fdae47 RBX: fffffffffff00000 RCX: ffff88807b19bd00
RDX: 0000000000000000 RSI: 0000000000100000 RDI: 00000000000ff000
RBP: 0000000000100000 R08: ffffffff8fced577 R09: 1ffffffff1f9daae
R10: dffffc0000000000 R11: fffffbfff1f9daaf R12: 00000000000ff000
R13: 1ffff11003d7ae10 R14: dffffc0000000000 R15: ffff88801ebd7080
FS:  000055558a631500(0000) GS:ffff888125a28000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f83d6409e9c CR3: 000000005c22b000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:294 [inline]
 block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline]
 btrfs_block_rsv_release+0x47b/0x590 fs/btrfs/block-rsv.c:290
 btrfs_release_global_block_rsv+0x33/0x270 fs/btrfs/block-rsv.c:455
 btrfs_free_block_groups+0xcbf/0xfd0 fs/btrfs/block-group.c:4579
 close_ctree+0x7b4/0x13a0 fs/btrfs/disk-io.c:4428
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_anon_super+0x3b/0x70 fs/super.c:1289
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2127
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1318
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb9899bf17
Code: a2 c7 05 7c 96 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffa76250e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007feb98a0471f RCX: 00007feb9899bf17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffa76251a0
RBP: 00007fffa76251a0 R08: 00007fffa76261a0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa7626230
R13: 00007feb98a0471f R14: 00000000000596f0 R15: 00007fffa7626270
 </TASK>