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Problem: use of unsafe strcpy

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Solution: use memcpy with known size instead
This commit is contained in:
Simon Giesecke 2019-12-23 11:06:22 +01:00
parent 334e837b88
commit 3dbbc28bb8
1 changed files with 3 additions and 2 deletions
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5
src/err.cpp
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@ -411,6 +411,7 @@ void zmq::print_backtrace (void)
while (unw_step (&cursor) > 0) {
unw_word_t offset;
unw_proc_info_t p_info;
static const char unknown[] = "?";
const char *file_name;
char *demangled_name;
char func_name[256] = "";
@ -422,14 +423,14 @@ void zmq::print_backtrace (void)
rc = unw_get_proc_name (&cursor, func_name, 256, &offset);
if (rc == -UNW_ENOINFO)
strcpy (func_name, "?");
memcpy (func_name, unknown, sizeof unknown);
addr = (void *) (p_info.start_ip + offset);
if (dladdr (addr, &dl_info) && dl_info.dli_fname)
file_name = dl_info.dli_fname;
else
file_name = "?";
file_name = unknown;
demangled_name = abi::__cxa_demangle (func_name, NULL, NULL, &rc);