BTRFS info (device loop5): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
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WARNING: CPU: 0 PID: 6017 at fs/btrfs/block-rsv.c:454 btrfs_release_global_block_rsv+0x253/0x270 fs/btrfs/block-rsv.c:454
Modules linked in:
CPU: 0 UID: 0 PID: 6017 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:btrfs_release_global_block_rsv+0x253/0x270 fs/btrfs/block-rsv.c:454
Code: 0f 0b 90 e9 e2 fe ff ff e8 9a 41 b7 fd 90 0f 0b 90 e9 0c ff ff ff e8 8c 41 b7 fd 90 0f 0b 90 e9 36 ff ff ff e8 7e 41 b7 fd 90 <0f> 0b 90 e9 67 ff ff ff e8 70 41 b7 fd 90 0f 0b 90 eb 89 66 2e 0f
RSP: 0018:ffffc900059efad8 EFLAGS: 00010293
RAX: ffffffff840a7c22 RBX: 0000000000008000 RCX: ffff88801cfbda00
RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff840a7b84 R09: 1ffff110042f6d01
R10: dffffc0000000000 R11: ffffed10042f6d02 R12: ffff8880217b1000
R13: 1ffff110042f622e R14: ffff8880328ac400 R15: dffffc0000000000
FS:  0000555570c16500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da0eff8 CR3: 000000007d2f4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_free_block_groups+0xc3c/0x1080 fs/btrfs/block-group.c:4464
 close_ctree+0x7b0/0xd90 fs/btrfs/disk-io.c:4458
 generic_shutdown_super+0x139/0x2d0 fs/super.c:642
 kill_anon_super+0x3b/0x70 fs/super.c:1237
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2100
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f538f98e497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd226ed368 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f538fa0e08c RCX: 00007f538f98e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd226ed420
RBP: 00007ffd226ed420 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd226ee4b0
R13: 00007f538fa0e08c R14: 000000000001fa0a R15: 00007ffd226ee4f0
 </TASK>