------------[ cut here ]------------ WARNING: CPU: 3 PID: 5172 at fs/btrfs/space-info.h:199 btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:199 [inline] WARNING: CPU: 3 PID: 5172 at fs/btrfs/space-info.h:199 btrfs_space_info_update_bytes_may_use+0x449/0x5a0 fs/btrfs/space-info.h:199 Modules linked in: CPU: 3 PID: 5172 Comm: syz-executor185 Not tainted 6.7.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:199 [inline] RIP: 0010:btrfs_space_info_update_bytes_may_use+0x449/0x5a0 fs/btrfs/space-info.h:199 Code: e9 69 fc ff ff e8 d7 73 ee fd 49 89 ee 4c 89 e6 49 f7 de 4c 89 f7 e8 d6 6e ee fd 4d 39 f4 0f 83 7c fd ff ff e8 b8 73 ee fd 90 <0f> 0b 90 31 ed e9 74 fd ff ff e8 a8 73 ee fd 48 8d 7b 18 be ff ff RSP: 0018:ffffc9000344fad8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801b23d800 RCX: ffffffff83980c9a RDX: ffff888022a4c580 RSI: ffffffff83980ca8 RDI: 0000000000000006 RBP: ffffffffffea0000 R08: 0000000000000006 R09: 0000000000160000 R10: 000000000015f000 R11: 0000000000000001 R12: 000000000015f000 R13: ffff88801b23d860 R14: 0000000000160000 R15: 0000000000000005 FS: 000055555569e380(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cf382e5540 CR3: 000000001e273000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:231 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:154 [inline] btrfs_block_rsv_release+0x5a8/0x6c0 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x26/0x2f0 fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0xbbc/0x13e0 fs/btrfs/block-group.c:4366 close_ctree+0xa51/0xf90 fs/btrfs/disk-io.c:4390 generic_shutdown_super+0x161/0x3d0 fs/super.c:696 kill_anon_super+0x3a/0x60 fs/super.c:1295 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2100 deactivate_locked_super+0xbc/0x1a0 fs/super.c:484 deactivate_super+0xde/0x100 fs/super.c:517 cleanup_mnt+0x222/0x450 fs/namespace.c:1256 task_work_run+0x14d/0x240 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x217/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f59eda54637 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd9be8b3b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f59eda54637 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd9be8b470 RBP: 00007ffd9be8b470 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd9be8c4f0 R13: 000055555569f6c0 R14: 431bde82d7b634db R15: 00007ffd9be8c510