Hi,
在 2023/04/10 20:55, Kang Chen 写道:
uniontech inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6TN56 CVE: NA
smatch report: fs/eulerfs/namei.c:118 eufs_lookup() error: 'inode' dereferencing possible ERR_PTR() fix it by using the ino above in eufs_err.
Signed-off-by: Kang Chen void0red@hust.edu.cn
v2 -> v1: use correct string format
fs/eulerfs/namei.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/eulerfs/namei.c b/fs/eulerfs/namei.c index e4c6c36575f2..dd3bbc0b453c 100644 --- a/fs/eulerfs/namei.c +++ b/fs/eulerfs/namei.c @@ -115,8 +115,8 @@ static struct dentry *eufs_lookup(struct inode *dir, struct dentry *dentry,
inode = eufs_iget(dir->i_sb, s2p(dir->i_sb, de->inode)); if (inode == ERR_PTR(-ESTALE)) {
eufs_err(dir->i_sb, "deleted inode referenced: 0x%lx",inode->i_ino);
eufs_err(dir->i_sb, "deleted inode referenced: 0x%llx",le64_to_cpu(de->inode));
Thanks for the patch, can you also fix that follow up dereference of inode will panic if eufs_iget() return ERR_PTR(-ENOMEM).
By the way, I think it's impossible to return -ESTALE, perhaps this can be removed.
Thansk, Kuai
return ERR_PTR(-EIO);} not_found: