syzbot

 sign-in | mailing list | source | docs
🐞 Open [1413]
≡ Subsystems
🐞 Fixed [5827]
🐞 Invalid [14217]
⬇ Missing Backports [92]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

WARNING in btrfs_chunk_alloc

Status: upstream: reported C repro on 2022/11/22 11:56
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+e8e56d5d31d38b5b47e7@syzkaller.appspotmail.com
First crash: 729d, last: 22h07m
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in btrfs_create_pending_block_groups (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit a1912f712188291f9d7d434fba155461f1ebef66
Author: Josef Bacik <josef@toxicpanda.com>
Date: Wed Nov 22 17:17:55 2023 +0000

  btrfs: remove code for inode_cache and recovery mount options

  
▶ ▼ Discussions (17)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (Nov 2024) 0 (1) 2024/11/18 10:39
[syzbot] Monthly btrfs report (Oct 2024) 0 (1) 2024/10/17 07:41
[syzbot] Monthly btrfs report (Sep 2024) 0 (1) 2024/09/16 12:27
[syzbot] Monthly btrfs report (Aug 2024) 0 (1) 2024/08/16 09:47
[syzbot] Monthly btrfs report (Jul 2024) 0 (1) 2024/07/15 14:03
[syzbot] Monthly btrfs report (Jun 2024) 0 (1) 2024/06/14 08:14
[syzbot] WARNING in btrfs_chunk_alloc 2 (4) 2024/04/20 11:05
[syzbot] Monthly btrfs report (Feb 2024) 2 (3) 2024/02/12 12:15
[syzbot] Monthly btrfs report (Jan 2024) 0 (1) 2024/01/10 09:16
[syzbot] Monthly btrfs report (Dec 2023) 0 (1) 2023/12/06 10:05
[syzbot] Monthly btrfs report (Nov 2023) 0 (1) 2023/11/05 13:07
[syzbot] Monthly btrfs report (Aug 2023) 0 (1) 2023/08/30 09:53
[syzbot] Monthly btrfs report (Jul 2023) 0 (1) 2023/07/30 13:15
[syzbot] Monthly btrfs report (Jun 2023) 0 (1) 2023/06/29 10:14
[syzbot] Monthly btrfs report (May 2023) 0 (1) 2023/05/30 08:21
[syzbot] Monthly btrfs report (Apr 2023) 0 (1) 2023/04/27 10:13
[syzbot] [btrfs] Monthly Report 1 (2) 2023/03/27 13:42
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in btrfs_chunk_alloc 6 525d 608d 0/3 auto-obsoleted due to no activity on 2023/09/22 15:34
linux-6.1 WARNING in btrfs_chunk_alloc (2) origin:lts-only C done 16 9d11h 371d 0/3 upstream: reported C repro on 2023/11/15 16:30
linux-6.1 WARNING in btrfs_chunk_alloc 1 603d 603d 0/3 auto-obsoleted due to no activity on 2023/07/26 13:54
linux-5.15 WARNING in btrfs_chunk_alloc (2) origin:upstream C error 24 6d18h 422d 0/3 upstream: reported C repro on 2023/09/25 19:35
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/09/12 07:41 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/08/10 18:45 1h04m retest repro upstream report log
2024/07/04 06:58 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/07/04 04:47 23m retest repro upstream OK log
2024/05/26 14:54 16m retest repro upstream report log
2024/04/17 09:08 21m retest repro upstream error
2024/03/17 17:47 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/03/17 13:43 20m retest repro upstream error
2024/03/17 13:43 18m retest repro upstream error
2024/01/26 17:45 39m retest repro upstream OK log

Sample crash report:
BTRFS info (device loop5): block group has cluster?: no
BTRFS info (device loop5): 0 blocks of free space at or bigger than bytes is
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3758 do_chunk_alloc fs/btrfs/block-group.c:3758 [inline]
WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3758 btrfs_chunk_alloc+0xe5a/0x1010 fs/btrfs/block-group.c:4000
Modules linked in:
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_unbound btrfs_async_reclaim_data_space
RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3758 [inline]
RIP: 0010:btrfs_chunk_alloc+0xe5a/0x1010 fs/btrfs/block-group.c:4000
Code: fd 48 c7 c7 60 12 2c 8b 44 89 e6 e8 c0 6a a6 fd 0f 0b e9 fb fd ff ff e8 04 f1 de fd 48 c7 c7 60 12 2c 8b 89 ee e8 a6 6a a6 fd <0f> 0b e9 06 fe ff ff e8 ea f0 de fd 48 c7 c7 60 12 2c 8b 44 89 e6
RSP: 0018:ffffc900001179c8 EFLAGS: 00010246
RAX: a05437dff0ae9c00 RBX: ffff888014b18001 RCX: ffff888014a5d940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffffffffffe4 R08: ffffffff81530132 R09: fffff52000022eb1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802472c000
R13: dffffc0000000000 R14: ffff8880205d9800 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde4518a000 CR3: 0000000074957000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_space+0xaa9/0xe70 fs/btrfs/space-info.c:767
 btrfs_async_reclaim_data_space+0x14a/0x4f0 fs/btrfs/space-info.c:1294
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2408
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2555
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (294):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/06/24 23:09 upstream a92b7d26c743 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2023/11/03 18:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c c4ac074c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/01/10 01:13 upstream 6c1dd1fe5d8a b438bd66 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2023/11/11 08:44 upstream ac347a0655db 6d6dbf8a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in btrfs_chunk_alloc
2023/10/07 08:10 upstream 82714078aee4 5e837c76 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2023/06/21 08:00 upstream 99ec1ed7c2ed 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in btrfs_chunk_alloc
2023/03/30 12:15 upstream ffe78bbd5121 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2023/01/17 21:03 upstream 6e50979a9c87 42660d9e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2022/12/20 03:20 upstream 2f26e424552e c52b2efb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2022/11/22 11:45 upstream eb7081409f94 1c576c23 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in btrfs_chunk_alloc
2023/01/08 11:43 linux-next cc3c08b41a9c 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_chunk_alloc
2022/12/14 22:13 upstream e2ca6ba6ba01 b18f0a64 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/11/17 05:04 upstream 4a5df3796467 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2024/11/09 18:31 upstream da4373fbcf00 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2024/09/29 06:50 upstream 3efc57369a0c ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2024/06/17 14:49 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in btrfs_chunk_alloc
2024/06/05 12:21 upstream 32f88d65f01b e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/06/04 20:25 upstream 2ab795141095 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/06/04 17:11 upstream 2ab795141095 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/06/04 12:25 upstream 2ab795141095 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_chunk_alloc
2024/06/04 06:50 upstream f06ce441457d a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/02/26 17:26 upstream d206a76d7d27 da36a36b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/02/03 07:29 upstream 56897d51886f 60bf9982 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/01/31 19:08 upstream 1bbb19b6eb1b 373b66cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/01/11 17:33 upstream de927f6c0b07 00f3cc59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/01/11 12:02 upstream de927f6c0b07 00f3cc59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2023/12/24 12:43 upstream 861deac3b092 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_chunk_alloc
2024/11/19 14:17 upstream 158f238aa69d 571351cb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/11/18 15:31 upstream adc218676eef e7bb5d6e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/11/11 21:56 upstream 2d5404caa8c7 75bb1b32 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/11/09 06:11 upstream f1dce1f09380 6b856513 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/11/07 23:40 upstream ff7afaeca1a1 867e44df .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/11/03 06:51 upstream 3e5e6c9900c3 f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/30 19:21 upstream c1e939a21eb1 f3a00767 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/22 01:34 upstream c2ee9f594da8 a93682b3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/17 01:01 upstream c964ced77262 666f77ed .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/16 21:33 upstream 2f87d0916ce0 666f77ed .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/14 10:06 upstream 6485cf5ea253 084d8178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/14 01:02 upstream 36c254515dc6 084d8178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/12 22:10 upstream 09f6b0c8904b 084d8178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/09 20:09 upstream 75b607fab38d 56fb2cb7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/07 17:28 upstream 8cf0b93919e1 d7906eff .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/06 13:40 upstream 8f602276d390 d7906eff .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/05 01:42 upstream 0c559323bbaa d7906eff .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/03 18:40 upstream 7ec462100ef9 d7906eff .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/10/01 14:19 upstream e32cde8d2bd7 e9f6e118 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/29 23:15 upstream e7ed34365879 ba29ff75 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/27 07:38 upstream 075dbe9f6e3c 9314348a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/27 00:06 upstream 11a299a7933e 9314348a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/24 16:19 upstream abf2050f51fd 5643e0e9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/23 18:54 upstream de5cb0dcb74c 49f9c2d2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/22 17:43 upstream 88264981f208 6f888b75 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/20 22:00 upstream baeb9a7d8b60 6f888b75 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/18 03:12 upstream a940d9a43e62 c673ca06 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/09/17 10:16 upstream a430d95c5efa c673ca06 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_chunk_alloc
2024/06/19 21:51 upstream 2ccbdf43d5e7 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in btrfs_chunk_alloc
2023/04/15 12:48 upstream 7a934f4bd7d6 ec410564 .config console log report info ci-qemu-upstream WARNING in btrfs_chunk_alloc
2022/11/22 11:30 upstream eb7081409f94 1c576c23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in btrfs_chunk_alloc
2024/11/07 09:48 linux-next 5b913f5d7d7f df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_chunk_alloc
2024/11/20 08:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/11/10 22:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 563047e691f2 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/11/06 09:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8936d33c1f69 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/10/29 19:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1bf329c696cf 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/07/27 18:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c912bf709078 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
2024/07/06 01:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8a03d70c27fc 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_chunk_alloc
* Struck through repros no longer work on HEAD.