| diff --color -rupN expat-2.2.9/expat/lib/xmlparse.c expat-2.2.9.new/expat/lib/xmlparse.c |
| --- expat-2.2.9/expat/lib/xmlparse.c 2022-10-19 22:46:59.000000000 +0000 |
| +++ expat-2.2.9.new/expat/lib/xmlparse.c 2022-10-19 23:28:41.859811027 +0000 |
| @@ -650,6 +650,8 @@ static const XML_Char implicitContext[] |
| |
| # if defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM) |
| |
| +void __msan_unpoison(void *, size_t); |
| + |
| /* Obtain entropy on Linux 3.17+ */ |
| static int |
| writeRandomBytes_getrandom_nonblock(void *target, size_t count) { |
| @@ -675,6 +677,10 @@ writeRandomBytes_getrandom_nonblock(void |
| } |
| } while (! success && (errno == EINTR)); |
| |
| + // MSAN doesn't recognise |syscall| and thus doesn't notice that we have |
| + // initialised the output buffer. |
| + __msan_unpoison(target, count); |
| + |
| return success; |
| } |
| |
