Use strscpy instead of strcpy in exfat_core.c, and add a check for length that will return already known FFS_INVALIDPATH. Suggested-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sandro Volery <sandro@xxxxxxxxxx> --- v5: Fixed some whitespaces v4: Replaced strlen check v3: Failed to replace check v2: Forgot to replace strlen check v1: original patch drivers/staging/exfat/exfat_core.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c index da8c58149c35..ee474ae3bd98 100644 --- a/drivers/staging/exfat/exfat_core.c +++ b/drivers/staging/exfat/exfat_core.c @@ -2961,11 +2961,9 @@ s32 resolve_path(struct inode *inode, char *path, struct chain_t *p_dir, struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); struct file_id_t *fid = &(EXFAT_I(inode)->fid); - if (strlen(path) >= (MAX_NAME_LENGTH * MAX_CHARSET_SIZE)) + if (strscpy(name_buf, path, sizeof(name_buf)) < 0) return FFS_INVALIDPATH; - strcpy(name_buf, path); - nls_cstring_to_uniname(sb, p_uniname, name_buf, &lossy); if (lossy) return FFS_INVALIDPATH; -- 2.23.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
