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Fixed access to undefined memory found by valgrind and MSAN

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When my_vsnprintf() is patched, the code protected disabled with
'WAITING_FOR_BUGFIX_TO_VSPRINTF' should be enabled again. Also all %b
formats in this patch should be revert to %s again
This commit is contained in:
Monty
2020-05-15 16:15:49 +03:00
parent dcc0baf540
commit c4bf4b7aef
13 changed files with 42 additions and 63 deletions
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3
sql/signal_handler.cc
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@ -52,8 +52,9 @@ static inline void output_core_info()
char buff[PATH_MAX];
ssize_t len;
int fd;
if ((len= readlink("/proc/self/cwd", buff, sizeof(buff))) >= 0)
if ((len= readlink("/proc/self/cwd", buff, sizeof(buff)-1)) >= 0)
{
buff[len]= 0;
my_safe_printf_stderr("Writing a core file...\nWorking directory at %.*s\n",
(int) len, buff);
}