From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 955A8221472 for ; Thu, 19 Dec 2024 09:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734601508; cv=none; b=QRm+U5z11/5vzKa3hWr9zXP178FmHDmowwXbw+u6/2ElhG7pAV4J69pE6IYiX0gKPU5DrUg5wLj8v1OXcs45Fw34o0vEPyVsHJ/M/+4jtP1ISPPgYTyLpMGRXvUcLMv8O1YotEvt0KxIXlPPgZN9dIi8sb3JF+hq6Oi4y3+JW1I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734601508; c=relaxed/simple; bh=zy+N/Un3QowHDOpKtXomr5vDa/TSb9QVhP7bTfil0ak=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Vz8aVkpZqgoGRbl2xbmQ5Jqk87VSGkjS1+Hjccy1oxBBEBvQt1PeDN7JgLuPEd6C1ZOgOHiX+RcnUXga1c1BCFtK491b6/ehlDqu7g/0/o0eivaDWHoO0s3ZlOY0/dB1a8l3yBlcXBYtq81ZSUGrM7QiIx9FGcPc1DAXxbFSs3w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 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-il1-f200.google.com with SMTP id e9e14a558f8ab-3a91a13f63fso4966705ab.3 for ; Thu, 19 Dec 2024 01:45:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734601505; x=1735206305; 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=WbNvaUjNt6urmtmdVNb6UbfmUAW+zIbHx3hi/xowHdg=; b=QImC9ZnJVm6qpjWK9Daw3OgGO47HmspeBKCrhUoWx+3SQbhADQ85+zt8NNdwRKnOo9 8uN1rRNdLiFLL8Wu1TPmmRnIqRNNODDGqBQULLfAuGi3Va42Ke7GhVkocIe2jm6wGNbW a2hBOVnEjXQNQIgvGs47+OfihsyfOOnzu8sU2H8n6SgpAmKCpUdtZWf2Vs8tGWhQu/h6 AFEhliF6wmp+WX7xH4GbHKBBdkHVDga+QBVbYY+j2BKU5qok80Gkb+ZUDnPjjfVi7wGp FuZWUNParQ76q5KMu6SIVPfjzze9+m3uL6FmLOC7ortTQyLEHJcyoAd1qONAx/Jk9yVu LKhQ== X-Forwarded-Encrypted: i=1; AJvYcCVCbfnWkGGR/sNtu5MAARWSs+Ec+w1BC0Ztsgx2EP/uytFWODsCQ5i/hHtZ/7XcUxzj0InNLmyuFUsvXN/P4g==@vger.kernel.org X-Gm-Message-State: AOJu0YwunhK4ZsezLEFs8T4kpnj7JhJRFqheqcs9BdHJoWifISmNEa4s lWhC9x1GedWqNjxlTWAB6fcXtIuvEOpioZT/xmsAmIDg0xTwz+wwSQnG1a+zlBK16Nkpy9o/wYE 9DZn09U068LgjB4B1mlA5J16y5XW+QA4jNzeppWKJMlLrzwkhak7yBic= X-Google-Smtp-Source: AGHT+IH9qlQONexJmsXL0BdMoibF1h/5hqRw2Wf5MSV/I2iMc70W2JHkvLHPBBf9TQ5xZJoZWt1StSibZODqqHeOoNUmBK02kRum Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3dc9:b0:3a7:c5b1:a55f with SMTP id e9e14a558f8ab-3bdbb35827cmr56345605ab.0.1734601505694; Thu, 19 Dec 2024 01:45:05 -0800 (PST) Date: Thu, 19 Dec 2024 01:45:05 -0800 In-Reply-To: <675ff6b3.050a0220.37aaf.0125.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6763eb21.050a0220.15da49.000b.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in bkey_packed_valid From: syzbot To: bfoster@redhat.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b Author: Kent Overstreet Date: Sat Sep 23 22:41:51 2023 +0000 bcachefs: Ignore unknown mount options bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=130722df980000 start commit: aef25be35d23 hexagon: Disable constant extender optimizati.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=108722df980000 console output: https://syzkaller.appspot.com/x/log.txt?x=170722df980000 kernel config: https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b dashboard link: https://syzkaller.appspot.com/bug?extid=5970f72a85a751ab7556 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15c06f44580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ba37e8580000 Reported-by: syzbot+5970f72a85a751ab7556@syzkaller.appspotmail.com Fixes: 03ef80b469d5 ("bcachefs: Ignore unknown mount options") For information about bisection process see: https://goo.gl/tpsmEJ#bisection