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8147456: Parsing of argument for -agentpath can write outside of allocated memory

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Reviewed-by: sspitsyn, dholmes
This commit is contained in:
Sharath Ballal 2016-03-07 20:58:09 +03:00 • committed by Dmitry Samersoff
parent ede7f9c222
commit 1df8126210
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/os/posix/vm/os_posix.cpp
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@ -336,13 +336,13 @@ char* os::build_agent_function_name(const char *sym_name, const char *lib_name,
const char *start;
if (lib_name != NULL) {
len = name_len = strlen(lib_name);
name_len = strlen(lib_name);
if (is_absolute_path) {
// Need to strip path, prefix and suffix
if ((start = strrchr(lib_name, *os::file_separator())) != NULL) {
lib_name = ++start;
}
if (len <= (prefix_len + suffix_len)) {
if (strlen(lib_name) <= (prefix_len + suffix_len)) {
return NULL;
}
lib_name += prefix_len;