MIME-Version: 1.0
Date:   Thu, 02 Feb 2023 04:10:23 -0800
In-Reply-To: <000000000000befd1d05eeb5af30@google.com>
Message-ID: <000000000000168a9205f3b6738f@google.com>
Subject: Re: [syzbot] WARNING in ext4_expand_extra_isize_ea
From:   syzbot <syzbot+4d99a966fd74bdeeec36@syzkaller.appspotmail.com>
To:     adilger.kernel@dilger.ca, bagasdotme@gmail.com,
        ebiggers@kernel.org, guohanjun@huawei.com, jack@suse.cz,
        johnny.chenyi@huawei.com, linux-ext4@vger.kernel.org,
        linux-kernel@vger.kernel.org, liuyongqiang13@huawei.com,
        miaoxie@huawei.com, patchwork@huawei.com,
        syzkaller-bugs@googlegroups.com, tytso@mit.edu,
        weiyongjun1@huawei.com, yanaijie@huawei.com, yebin10@huawei.com,
        yebin@huaweicloud.com, yuehaibing@huawei.com
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

syzbot suspects this issue was fixed by commit:

commit cc12a6f25e07ed05d5825a1664b67a970842b2ca
Author: Ye Bin <yebin10@huawei.com>
Date:   Thu Dec 8 02:32:31 2022 +0000

    ext4: allocate extended attribute value in vmalloc area

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14e7b9a5480000
start commit:   644e9524388a Merge tag 'for-v6.1-rc' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=8d01b6e3197974dd
dashboard link: https://syzkaller.appspot.com/bug?extid=4d99a966fd74bdeeec36
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12f49603880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=163dfb9b880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: ext4: allocate extended attribute value in vmalloc area

For information about bisection process see: https://goo.gl/tpsmEJ#bisection