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WARNING in btrfs_space_info_update_bytes_may_use

Status: upstream: reported C repro on 2023/04/07 20:54
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+49f99b4e95c9e4a5516d@syzkaller.appspotmail.com
First crash: 662d, last: 2d04h
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/07 upstream (ToT) fc4354c6e5c2 C [report] WARNING in btrfs_space_info_update_bytes_may_use
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in btrfs_space_info_update_bytes_may_use btrfs C done 3676 11h52m 820d 0/28 upstream: reported C repro on 2022/10/31 00:15
linux-6.1 WARNING in btrfs_space_info_update_bytes_may_use origin:upstream C error 184 16d 682d 0/3 upstream: reported C repro on 2023/03/18 05:35
▶ ▼ Last patch testing requests (8)
Created Duration User Patch Repo Result
2025/01/03 02:22 15m retest repro linux-5.15.y report log
2025/01/03 02:22 15m retest repro linux-5.15.y report log
2025/01/03 02:22 13m retest repro linux-5.15.y report log
2024/12/16 18:01 16m retest repro linux-5.15.y report log
2024/12/16 18:01 12m retest repro linux-5.15.y error
2024/12/16 18:01 57m retest repro linux-5.15.y report log
2024/12/16 18:01 1h00m retest repro linux-5.15.y report log
2024/12/16 18:01 11m retest repro linux-5.15.y report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3500 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x294/0x5c0
Modules linked in:
CPU: 0 PID: 3500 Comm: syz-executor321 Not tainted 5.15.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:btrfs_space_info_update_bytes_may_use+0x294/0x5c0 fs/btrfs/space-info.h:110
Code: 25 00 00 74 08 4c 89 ff e8 d9 5b 49 fe 49 8b 1f 48 89 df 48 8b 6c 24 18 48 89 ee e8 d6 e8 ff fd 48 39 eb 73 14 e8 ec e6 ff fd <0f> 0b 45 31 f6 43 80 7c 25 00 00 75 ac eb b2 e8 d8 e6 ff fd 43 80
RSP: 0018:ffffc90002f9fb38 EFLAGS: 00010293
RAX: ffffffff83801984 RBX: 00000000000cf000 RCX: ffff88801358bb80
RDX: 0000000000000000 RSI: 00000000000d0000 RDI: 00000000000cf000
RBP: 00000000000d0000 R08: ffffffff8380197a R09: fffffbfff1bc7f0e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100f5c1b0c R14: fffffffffff30000 R15: ffff88807ae0d860
FS:  0000555555bd5380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7788f709f8 CR3: 000000007d764000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline]
 block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline]
 btrfs_block_rsv_release+0x486/0x570 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x8ab/0xc90 fs/btrfs/block-group.c:3963
 close_ctree+0x6d6/0x886 fs/btrfs/disk-io.c:4498
 generic_shutdown_super+0x136/0x2c0 fs/super.c:475
 kill_anon_super+0x37/0x60 fs/super.c:1067
 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2391
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7788f294c7
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:00007ffc05e9bf58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 000000000000bfdd RCX: 00007f7788f294c7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc05e9c010
RBP: 00007ffc05e9c010 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc05e9d090
R13: 0000555555bd66c0 R14: 431bde82d7b634db R15: 00007ffc05e9d0b0
 </TASK>

Crashes (40):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/30 05:26 linux-5.15.y 09996673e313 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2023/04/30 22:30 linux-5.15.y f48aeeaaa64c 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2025/01/26 19:07 linux-5.15.y 003148680b79 9fbd772e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/12/02 10:15 linux-5.15.y 0a51d2d4527b 68914665 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 08:03 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 06:44 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 05:05 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/02/29 12:41 linux-5.15.y 458ce51d0356 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/06/18 20:53 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/10/21 02:02 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2024/10/06 11:20 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2023/11/02 02:49 linux-5.15.y 12952a23a5da 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2023/09/23 03:43 linux-5.15.y 35ecaa3632bf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2025/01/26 18:11 linux-5.15.y 003148680b79 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2025/01/11 15:10 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2025/01/11 15:09 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2025/01/11 15:07 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2025/01/11 15:07 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2025/01/11 15:04 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/12/02 09:17 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 04:14 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 04:02 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/07/27 03:51 linux-5.15.y 7c6d66f0266f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/03/01 03:54 linux-5.15.y 458ce51d0356 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2024/02/29 12:16 linux-5.15.y 458ce51d0356 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/09/24 18:15 linux-5.15.y b911329317b4 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/07/19 04:30 linux-5.15.y d54cfc420586 022df2bb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2023/04/16 07:17 linux-5.15.y 4fdad925aa1a ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in btrfs_space_info_update_bytes_may_use
2023/08/11 03:21 linux-5.15.y c275eaaaa342 da3c3ef8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/07/30 13:38 linux-5.15.y 09996673e313 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/07/28 12:30 linux-5.15.y 09996673e313 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/07/28 04:59 linux-5.15.y 09996673e313 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/07/25 02:41 linux-5.15.y 5c6a716301d9 b03242d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/06/29 20:44 linux-5.15.y 4af60700a60c 134ddc02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/06/14 09:39 linux-5.15.y 7349e40704a0 d2ee9228 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/05/24 03:03 linux-5.15.y 9d6bde853685 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/04/22 17:25 linux-5.15.y 3299fb36854f 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/04/09 02:55 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/04/09 00:30 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
2023/04/07 20:54 linux-5.15.y d86dfc4d95cd f7ba566d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in btrfs_space_info_update_bytes_may_use
* Struck through repros no longer work on HEAD.