Justin Stitt <justinstitt@xxxxxxxxxx> wrote: > The current implementation seems to reinvent what `kstrtoul` already does > in terms of functionality and error handling. Remove uses of `simple_strtoul()` > in favor of `kstrtoul()`. > > There is the following note at `lib/vsprintf.c:simple_strtoull()` which > further backs this change: > | * This function has caveats. Please use kstrtoull (or kstrtoul) instead. > > And here, simple_str* are explicitly deprecated [3]. > > This patch also removes an instance of the deprecated `strncpy` which helps [2]. > > Compile tested only. > > Link: https://lore.kernel.org/all/202308011602.3CC1C0244C@keescook/ [1] > Link: https://github.com/KSPP/linux/issues/90 [2] > Link: https://docs.kernel.org/process/deprecated.html#simple-strtol-simple-strtoll-simple-strtoul-simple-strtoull [3] > Cc: linux-hardening@xxxxxxxxxxxxxxx > Suggested-by: Kees Cook <keescook@xxxxxxxxxxxx> > Signed-off-by: Justin Stitt <justinstitt@xxxxxxxxxx> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Patch applied to wireless-next.git, thanks. 876777494634 wifi: ipw2x00: refactor to use kstrtoul -- https://patchwork.kernel.org/project/linux-wireless/patch/20230802-wifi-ipw2x00-refactor-v2-1-d33f765e9cd5@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches