From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF7DE3D82 for ; Sat, 2 Dec 2023 21:33:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo1-f72.google.com with SMTP id 006d021491bc7-587a58f3346so4203599eaf.1 for ; Sat, 02 Dec 2023 13:33:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701552785; x=1702157585; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zKqRgYm0AgRjE4xdVrUEcvGqaGktrF3meejJYcgoL68=; b=A3jt+5m88yEdNhtHEk40sIlAR9ztLTv7sNrHzch0ymoRPuN88wCZg4MGvWicQrfoqx zeWJ22S4ALbytkR9AyKjg/wjb09KY3f8Fl6B5c6BpZAFYRSNZKMi+PHh2GexjZxAaHOl Ob8U8yQCUfOq9MWBVfBqBFzvsljSSRBCfgcXZXpZI9KMn3+Ni0qaeyRB+QObMPvUCyYe sb8XBNQqj/I85Sdhr3skw+blHxxPl8b8mvrUyeCtDuOAlulItknilJmK6pCwqwWbPZ2J FMyqeoHHGAJlvwt/p6uzMIAMHVLmVbn/kIOHhe4zWQVNwS19auyan1Kvz5WXulrhBX/x UakQ== X-Gm-Message-State: AOJu0YywPL014o5tIDtPGsWoxN6f37NIZYCkJ+4nHOqi8RfQ3B/QDDPn 57ZPfK+6t1oOpZGfB3jdPX3NR23mdY1xJxvD57IW9jTl7WTm X-Google-Smtp-Source: AGHT+IFqucHa4qMk8RwcwCv8DbQzN4BAF0j4cNTlp1+iRF4gCgFVtyQXoYcZ5tycjVuxqOzZsBm5nFDyG77vYxFKL9qzpSe1l8Zl Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:b243:0:b0:58d:6882:9000 with SMTP id i3-20020a4ab243000000b0058d68829000mr1032039ooo.0.1701552784595; Sat, 02 Dec 2023 13:33:04 -0800 (PST) Date: Sat, 02 Dec 2023 13:33:04 -0800 In-Reply-To: <000000000000f0bfe70605025941@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004ae32c060b8da1dc@google.com> Subject: Re: [syzbot] [gfs2?] kernel BUG in gfs2_quota_cleanup From: syzbot To: agruenba@redhat.com, eadavis@qq.com, gfs2@lists.linux.dev, juntong.deng@outlook.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, rpeterso@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit bdcb8aa434c6d36b5c215d02a9ef07551be25a37 Author: Juntong Deng Date: Sun Oct 29 21:10:06 2023 +0000 gfs2: Fix slab-use-after-free in gfs2_qd_dealloc bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=169c7b52e80000 start commit: 994d5c58e50e Merge tag 'hardening-v6.7-rc4' of git://git.k.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=159c7b52e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=119c7b52e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=c2c74446ab4f0028 dashboard link: https://syzkaller.appspot.com/bug?extid=3b6e67ac2b646da57862 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1268c086e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=164b3faae80000 Reported-by: syzbot+3b6e67ac2b646da57862@syzkaller.appspotmail.com Fixes: bdcb8aa434c6 ("gfs2: Fix slab-use-after-free in gfs2_qd_dealloc") For information about bisection process see: https://goo.gl/tpsmEJ#bisection