From: syzbot <syzbot+9db318d6167044609878@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, akpm@linux-foundation.org,
dave.hansen@linux.intel.com, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
tytso@mit.edu
Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_ext_insert_extent
Date: Mon, 26 May 2025 07:53:03 -0700 [thread overview]
Message-ID: <6834804f.a70a0220.1765ec.016b.GAE@google.com> (raw)
In-Reply-To: <68335d8e.a70a0220.253bc2.008b.GAE@google.com>
syzbot has bisected this issue to:
commit 665575cff098b696995ddaddf4646a4099941f5e
Author: Dave Hansen <dave.hansen@linux.intel.com>
Date: Fri Feb 28 20:37:22 2025 +0000
filemap: move prefaulting out of hot write path
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14435170580000
start commit: d0c22de9995b Merge tag 'input-for-v6.15-rc7' of git://git...
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=16435170580000
console output: https://syzkaller.appspot.com/x/log.txt?x=12435170580000
kernel config: https://syzkaller.appspot.com/x/.config?x=a1de0d8596cea805
dashboard link: https://syzkaller.appspot.com/bug?extid=9db318d6167044609878
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16931170580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14683ad4580000
Reported-by: syzbot+9db318d6167044609878@syzkaller.appspotmail.com
Fixes: 665575cff098 ("filemap: move prefaulting out of hot write path")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2025-05-26 14:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-25 18:12 [syzbot] [ext4?] KASAN: use-after-free Read in ext4_ext_insert_extent syzbot
2025-05-26 14:53 ` syzbot [this message]
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