Re: [syzbot] [ntfs3?] general protection fault in pick_link (2)
From: Edward Adam Davis
Date: Tue Jun 17 2025 - 22:34:53 EST
#syz test
diff --git a/fs/namei.c b/fs/namei.c
index 4bb889fc980b..291f29a04e09 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2005,6 +2005,10 @@ static const char *step_into(struct nameidata *nd, int flags,
if (path.mnt == nd->path.mnt)
mntget(path.mnt);
}
+
+ if (inode && !S_ISLINK(inode->mode))
+ return NULL;
+
return pick_link(nd, &path, inode, flags);
}