From: Qianqiang Liu <qianqiang.liu@163.com>
To: syzbot <syzbot+f792df426ff0f5ceb8d1@syzkaller.appspotmail.com>
Cc: ojaswin@linux.ibm.com, adilger.kernel@dilger.ca, tytso@mit.edu,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_xattr_set_entry
Date: Wed, 2 Oct 2024 14:31:49 +0800 [thread overview]
Message-ID: <Zvzo1RC8scv-muur@fedora> (raw)
In-Reply-To: <66efba95.050a0220.3195df.008c.GAE@google.com>
#syz test
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index e0e1956dcdd3..649b278d4c1f 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1884,7 +1884,7 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
bs->s.here = bs->s.first;
error = xattr_find_entry(inode, &bs->s.here, bs->s.end,
i->name_index, i->name, 1);
- if (error && error != -ENODATA)
+ if (error)
return error;
bs->s.not_found = error;
}
--
Best,
Qianqiang Liu
next prev parent reply other threads:[~2024-10-02 6:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-22 0:16 [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_xattr_set_entry syzbot
2024-09-22 5:46 ` Qianqiang Liu
2024-09-22 6:35 ` syzbot
2024-09-22 6:42 ` [PATCH] ext4: fix out-of-bounds issue " Qianqiang Liu
2024-10-01 9:41 ` Ojaswin Mujoo
2024-10-01 10:15 ` Qianqiang Liu
2024-10-02 6:27 ` Qianqiang Liu
2024-10-08 7:40 ` Baokun Li
2024-10-09 15:50 ` Jan Kara
2024-10-11 2:18 ` Baokun Li
2024-10-14 16:31 ` Jan Kara
2024-10-16 8:02 ` Baokun Li
2024-10-16 20:47 ` Theodore Ts'o
2024-10-17 12:42 ` Baokun Li
2024-10-17 14:47 ` Theodore Ts'o
2024-10-18 3:44 ` Baokun Li
2024-10-02 6:31 ` Qianqiang Liu [this message]
2024-10-02 6:54 ` [syzbot] [ext4?] KASAN: out-of-bounds Read " syzbot
-- strict thread matches above, loose matches on Subject: below --
2025-12-16 12:03 [PATCH] ext4: xattr: fix wrong search.here in clone_block Jinchao Wang
2025-12-16 12:19 ` [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_xattr_set_entry syzbot
2025-12-16 12:39 [PATCH] ext4: xattr: fix wrong search.here in clone_block Jinchao Wang
2025-12-16 13:01 ` [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_xattr_set_entry syzbot
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