From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 6096D222572 for ; Thu, 19 Dec 2024 09:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734601508; cv=none; b=Co5EmDCJdvpfbebyA9CC7+/msRQ1lF+WdFyz8xiK4j1wmXqUqR9PWrky0W5EUqOFPBWPte5smT5gNkJFOGfToYNmwiJ0cqgR8QAth7u5XDsYuNd7mH4TN9CkaEhUArPcVzr1uEHbONWy1n6e5a+snLZuKfvjuis3yzkKrjgtuWs= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3a9cc5c246bso5174725ab.2 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=Et3lXh320M9+lIL0KnBFDqzJoEz5YVhYE1TfgMJJOExTiOIFiRM/qs3WiMhUlcr7Fy hKwx5uprDWjrHQvTc/cZ/mlXsIvxJcTPePw5vHvKf0dBsAM6JVCP9iVkFibzMpUmbUDK C5E6URixy1YP9IpqyL6aIKdvdvZ92DXjqV9YaQSeCgQk9ol38iBRlItBStVxTLJ8yEO2 KDQu7Awie1DCn500ixN02wmQII0owwWm56D46l+h7Vcm2Y0llQawBEcaqERJS3G6XyDs XcIIFDxx5Rp9jOSgdrasalFWUPZ1HVQuJ1kZml9Q+eIb3LA5mUPteL2PBlcYLDJx9AiA ZhmQ== X-Forwarded-Encrypted: i=1; AJvYcCUKaGajz6ddVvGCgiYz339aBsp/i3Pf+KeeL5faWcXIIEMAcFzanDTkoAPWSkojW9CAxtSnlNMwShf1OXY=@vger.kernel.org X-Gm-Message-State: AOJu0YyAdUUtTw835jbQ0FDJ+mB0zRxaokAQgIPdsqP8vN2xA8dG+diF Xzuq1yIh9BLdqbnz6wxs0xH+deW2HwanfpvSyH7Yj8WdkGsB841oC1RZsE1foOe3eRIdaSau+qF U0ebVB5svnwwgfzukxhMZbvnqZixfdvDm8fMWRiGde6RT1mnkNkPhch8= X-Google-Smtp-Source: AGHT+IH9qlQONexJmsXL0BdMoibF1h/5hqRw2Wf5MSV/I2iMc70W2JHkvLHPBBf9TQ5xZJoZWt1StSibZODqqHeOoNUmBK02kRum Precedence: bulk X-Mailing-List: linux-kernel@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