* Re: [syzbot] [btrfs?] WARNING in btrfs_create_pending_block_groups
[not found] <0000000000000faabc05ee84f596@google.com>
@ 2024-02-13 13:22 ` syzbot
2024-02-13 18:01 ` David Sterba
0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2024-02-13 13:22 UTC (permalink / raw
To: anand.jain, brauner, clm, dsterba, johannes.thumshirn, josef,
linux-btrfs, linux-fsdevel, linux-kernel, syzkaller-bugs
syzbot suspects this issue was fixed by commit:
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
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=113ba042180000
start commit: a4d7d7011219 Merge tag 'spi-fix-v6.4-rc5' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=5fd11a1f057a67a03a1b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17887659280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ac4e93280000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: btrfs: remove code for inode_cache and recovery mount options
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] [btrfs?] WARNING in btrfs_create_pending_block_groups
2024-02-13 13:22 ` [syzbot] [btrfs?] WARNING in btrfs_create_pending_block_groups syzbot
@ 2024-02-13 18:01 ` David Sterba
0 siblings, 0 replies; 2+ messages in thread
From: David Sterba @ 2024-02-13 18:01 UTC (permalink / raw
To: syzbot
Cc: anand.jain, brauner, clm, dsterba, johannes.thumshirn, josef,
linux-btrfs, linux-fsdevel, linux-kernel, syzkaller-bugs
On Tue, Feb 13, 2024 at 05:22:02AM -0800, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> 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
This does not look like a fix, it's an unrelated change, the reported
problem probably depends on timing.
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=113ba042180000
> start commit: a4d7d7011219 Merge tag 'spi-fix-v6.4-rc5' of git://git.ker..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
> dashboard link: https://syzkaller.appspot.com/bug?extid=5fd11a1f057a67a03a1b
The log says that there's an attempt do
"balance: start -f -susage=6,vrange=0..9223372036854775809"
which looks suspicious but should be otherwise harmless, the range is
only considered. What is possible problem is that it's for the system
block group:
nfo (device loop0): balance: start -f -susage=6,vrange=0..9223372036854775809
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 5028 at fs/btrfs/block-group.c:2686 btrfs_create_pending_block_groups+0x10b7/0x1220 fs/btrfs/block-group.c:2686
Modules linked in:
CPU: 0 PID: 5028 Comm: syz-executor115 Not tainted 6.6.0-syzkaller-00207-g14ab6d425e80 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:btrfs_create_pending_block_groups+0x10b7/0x1220 fs/btrfs/block-group.c:2686
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-02-13 13:22 ` [syzbot] [btrfs?] WARNING in btrfs_create_pending_block_groups syzbot
2024-02-13 18:01 ` David Sterba
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