From 9dcbfff1e02778bac6fb723640724c38001a8f0a Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Mon, 20 Aug 2018 16:55:05 +0200 Subject: Fix invalid strcpy on unterminated buffer * read.c (do_repeat_with_expander): Use memmove instead of strcpy on unterminated string buffer. --- gas/read.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'gas/read.c') diff --git a/gas/read.c b/gas/read.c index 1f211b6..f011149 100644 --- a/gas/read.c +++ b/gas/read.c @@ -3117,7 +3117,8 @@ do_repeat_with_expander (size_t count, sub = strstr (processed.ptr, expander); len = sprintf (sub, "%lu", (unsigned long) count); gas_assert (len < 8); - strcpy (sub + len, sub + 8); + memmove (sub + len, sub + 8, + processed.ptr + processed.len - (sub + 8)); processed.len -= (8 - len); sb_add_sb (& many, & processed); sb_kill (& processed); -- cgit v1.1