From: Zhiyuan Dai Date: Fri, 30 Apr 2021 05:59:43 +0000 (-0700) Subject: mm/kasan: switch from strlcpy to strscpy X-Git-Tag: accepted/tizen/unified/20230118.172025~7324^2~50 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f76e0c41c0ac7f6ae614dd50ce3e983b974b87c1;p=platform%2Fkernel%2Flinux-rpi.git mm/kasan: switch from strlcpy to strscpy strlcpy is marked as deprecated in Documentation/process/deprecated.rst, and there is no functional difference when the caller expects truncation (when not checking the return value). strscpy is relatively better as it also avoids scanning the whole source string. Link: https://lkml.kernel.org/r/1613970647-23272-1-git-send-email-daizhiyuan@phytium.com.cn Signed-off-by: Zhiyuan Dai Acked-by: Alexander Potapenko Reviewed-by: Andrey Konovalov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c index de732bc..139615e 100644 --- a/mm/kasan/report_generic.c +++ b/mm/kasan/report_generic.c @@ -148,7 +148,7 @@ static bool __must_check tokenize_frame_descr(const char **frame_descr, } /* Copy token (+ 1 byte for '\0'). */ - strlcpy(token, *frame_descr, tok_len + 1); + strscpy(token, *frame_descr, tok_len + 1); } /* Advance frame_descr past separator. */