linux-kernel - Re: [syzbot] [bcachefs?] WARNING in rhashtable_init

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Message-ID: <6835abd8.a70a0220.253bc2.00b0.GAE@google.com>
Date: Tue, 27 May 2025 05:11:04 -0700
From: syzbot <syzbot+bcc38a9556d0324c2ec2@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, guoweikang.kernel@...il.com, 
	kent.overstreet@...ux.dev, kpsingh@...nel.org, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, mmpgouride@...il.com, paulmck@...nel.org, 
	pmladek@...e.com, rrangel@...omium.org, syzkaller-bugs@...glegroups.com, 
	urezki@...il.com, vbabka@...e.cz
Subject: Re: [syzbot] [bcachefs?] WARNING in rhashtable_init_noprof

syzbot has bisected this issue to:

commit 82067c916994dd1bfec65496144dc16e17899e36
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Fri May 9 03:21:28 2025 +0000

    bcachefs: buckets_in_flight on stack

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1528f882580000
start commit:   176e917e010c Add linux-next specific files for 20250523
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1728f882580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1328f882580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e7902c752bef748
dashboard link: https://syzkaller.appspot.com/bug?extid=bcc38a9556d0324c2ec2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=145948e8580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13d6a170580000

Reported-by: syzbot+bcc38a9556d0324c2ec2@...kaller.appspotmail.com
Fixes: 82067c916994 ("bcachefs: buckets_in_flight on stack")

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