From: syzbot <syzbot+0c99c3f90699936c1e77@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, adilger@dilger.ca, eadavis@qq.com,
jack@suse.cz, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org, lkp@intel.com,
llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
oe-lkp@lists.linux.dev, oliver.sang@intel.com,
sandeen@redhat.com, syzkaller-bugs@googlegroups.com,
tytso@mit.edu
Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Write in ext4_insert_dentry
Date: Wed, 06 Nov 2024 07:22:04 -0800 [thread overview]
Message-ID: <672b899c.050a0220.350062.026d.GAE@google.com> (raw)
In-Reply-To: <671c2223.050a0220.2fdf0c.021c.GAE@google.com>
syzbot has bisected this issue to:
commit 5872331b3d91820e14716632ebb56b1399b34fe1
Author: Eric Sandeen <sandeen@redhat.com>
Date: Wed Jun 17 19:19:04 2020 +0000
ext4: fix potential negative array index in do_split()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b9ce30580000
start commit: 2e1b3cc9d7f7 Merge tag 'arm-fixes-6.12-2' of git://git.ker..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=17b9ce30580000
console output: https://syzkaller.appspot.com/x/log.txt?x=13b9ce30580000
kernel config: https://syzkaller.appspot.com/x/.config?x=921b01cbfd887a9b
dashboard link: https://syzkaller.appspot.com/bug?extid=0c99c3f90699936c1e77
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=173636a7980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1600cf40580000
Reported-by: syzbot+0c99c3f90699936c1e77@syzkaller.appspotmail.com
Fixes: 5872331b3d91 ("ext4: fix potential negative array index in do_split()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2024-11-06 15:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-25 22:56 [syzbot] [ext4?] KASAN: use-after-free Write in ext4_insert_dentry syzbot
2024-10-27 4:53 ` Edward Adam Davis
2024-10-27 5:08 ` syzbot
2024-10-27 8:54 ` Edward Adam Davis
2024-10-27 9:15 ` syzbot
2024-10-27 9:51 ` Edward Adam Davis
2024-10-27 10:02 ` syzbot
2024-10-27 10:26 ` Edward Adam Davis
2024-10-27 10:40 ` syzbot
2024-10-27 11:09 ` [PATCH] ext4: Add a sanity check for next dentry when insert Edward Adam Davis
2024-10-27 15:45 ` kernel test robot
2024-10-28 14:07 ` [PATCH V2] " Edward Adam Davis
2024-11-04 6:43 ` kernel test robot
2024-10-27 16:06 ` [PATCH] " kernel test robot
2024-10-28 14:14 ` kernel test robot
2024-10-30 11:21 ` [syzbot] [ext4?] KASAN: use-after-free Write in ext4_insert_dentry Edward Adam Davis
2024-10-30 11:35 ` syzbot
2024-11-06 15:22 ` syzbot [this message]
2025-04-15 17:29 ` Thadeu Lima de Souza Cascardo
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