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FROMGIT: mm/kasan: switch from strlcpy to strscpy

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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 <daizhiyuan@phytium.com.cn>
Acked-by: Alexander Potapenko <glider@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

(cherry picked from commit e5bbe620e7a10d60161638cb0feece9466c8f511
 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm)
Bug: 182930667
Signed-off-by: Alexander Potapenko <glider@google.com>
Change-Id: I34a961043c1d0505e67547f1200d768e4f82a851
This commit is contained in:
Zhiyuan Dai 2021-03-18 17:01:39 +11:00 committed by Todd Kjos
parent 86a1ff2750
commit fcf7fb524a
1 changed files with 1 additions and 1 deletions
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2
mm/kasan/report_generic.c
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@ -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. */