linux-kernel - Re: [syzbot] [bcachefs?] kernel BUG in __bch2_str_hash_check

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Message-ID: <6809d9b8.050a0220.2c0118.0ac6.GAE@google.com>
Date: Wed, 23 Apr 2025 23:27:04 -0700
From: syzbot <syzbot+843981bb836d699c07d1@...kaller.appspotmail.com>
To: contact@...aud-lcm.com, joshua@...ggi.es, kent.overstreet@...ux.dev, 
	linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] kernel BUG in __bch2_str_hash_check_key

syzbot has bisected this issue to:

commit d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd
Author: Joshua Ashton <joshua@...ggi.es>
Date:   Sun Aug 13 17:34:17 2023 +0000

    bcachefs: bcachefs_metadata_version_casefolding

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10718ecc580000
start commit:   a79be02bba5c Fix mis-uses of 'cc-option' for warning disab..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12718ecc580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14718ecc580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3bbffc3b5b4301e1
dashboard link: https://syzkaller.appspot.com/bug?extid=843981bb836d699c07d1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11f8c1b3980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=177ce574580000

Reported-by: syzbot+843981bb836d699c07d1@...kaller.appspotmail.com
Fixes: d37c14ac6f05 ("bcachefs: bcachefs_metadata_version_casefolding")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection