From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <35Iv1XQkbAMc5BCxnyyr4n22vq.t11tyr75r4p106r06.p1z@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com> MIME-Version: 1.0 Date: Sat, 14 Dec 2019 17:27:00 -0800 In-Reply-To: <000000000000c71dcf0579b0553f@google.com> Message-ID: <000000000000dcc9b10599b3fd5e@google.com> Subject: Re: KASAN: use-after-free Read in ext4_xattr_set_entry (2) From: syzbot Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: a@unstable.cc, adilger.kernel@dilger.ca, afd@ti.com, b.a.t.m.a.n@lists.open-mesh.org, chris@lapa.com.au, davem@davemloft.net, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, pali.rohar@gmail.com, sre@kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tytso@mit.edu syzbot has bisected this bug to: commit 8835cae5f2abd7f7a3143afe357f416aff5517a4 Author: Chris Lapa Date: Wed Jan 11 01:44:47 2017 +0000 power: supply: bq27xxx: adds specific support for bq27520-g4 revision. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16661f41e00000 start commit: ae4b064e Merge tag 'afs-fixes-20191211' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=15661f41e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11661f41e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d dashboard link: https://syzkaller.appspot.com/bug?extid=4a39a025912b265cacef syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ec1332e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163455dee00000 Reported-by: syzbot+4a39a025912b265cacef@syzkaller.appspotmail.com Fixes: 8835cae5f2ab ("power: supply: bq27xxx: adds specific support for bq27520-g4 revision.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection