linux-kernel - Re: [syzbot] [bcachefs?] kernel BUG in bch2_fill

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Message-ID: <jnstbfpplevjdl7sh7vam7eid5mjjfohrmwdwqcmi4fbslouhk@jqvbl7ys7vvv>
Date: Tue, 29 Apr 2025 23:46:20 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: syzbot <syzbot+150f08265580ecb7c31f@...kaller.appspotmail.com>
Cc: linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] kernel BUG in bch2_fill_extent

On Tue, Apr 29, 2025 at 03:24:26PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    c3137514f1f1 Merge tag 'riscv-for-linus-6.15-rc4' of git:/..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10da10d4580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=90837c100b88a636
> dashboard link: https://syzkaller.appspot.com/bug?extid=150f08265580ecb7c31f
> compiler:       Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
> 
> Unfortunately, I don't have any reproducer for this issue yet.

#syz fix: bcachefs: Fix losing return code in next_fiemap_extent()