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perf_counter tools: fix buffer overwrite problem for perf top command

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There is a buffer overwrite problem in builtin-top.c line 526, When I
tried to use ./perf top command, it was giving memory corruption
problem.

[ Impact: fix 'perf top' crash ]

LKML-Reference: <3fee128b0905092313x608e65e0l7b1116d86914114f@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Erdem Aktas 2009-05-10 02:13:19 -04:00 committed by Ingo Molnar
parent f15b18d075
commit 82afae6016
1 changed files with 1 additions and 1 deletions
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2
Documentation/perf_counter/builtin-top.c
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@ -523,7 +523,7 @@ static int read_symbol(FILE *in, struct sym_entry *s)
if (strstr(sym, "_text_start") || strstr(sym, "_text_end"))
return 1;
s->sym = malloc(strlen(str));
s->sym = malloc(strlen(str)+1);
assert(s->sym);
strcpy((char *)s->sym, str);