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fixes for UBSAN warnings (#4223)

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Problem: UBSAN shows warnings

Solution: fix alignment issues and signed to unsigned conversion
This commit is contained in:
Bill Torpey
2021-06-29 08:02:35 -04:00
committed by GitHub
parent fb9fb00eda
commit ca8e30ed48
5 changed files with 17 additions and 14 deletions
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5
src/yqueue.hpp Normal file → Executable file
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@@ -35,6 +35,7 @@
#include "err.hpp"
#include "atomic_ptr.hpp"
#include "platform.hpp"
namespace zmq
{
@@ -50,7 +51,7 @@ namespace zmq
// T is the type of the object in the queue.
// N is granularity of the queue (how many pushes have to be done till
// actual memory allocation is required).
#ifdef HAVE_POSIX_MEMALIGN
#if defined HAVE_POSIX_MEMALIGN
// ALIGN is the memory alignment size to use in the case where we have
// posix_memalign available. Default value is 64, this alignment will
// prevent two queue chunks from occupying the same CPU cache line on
@@ -181,7 +182,7 @@ template <typename T, int N> class yqueue_t
static inline chunk_t *allocate_chunk ()
{
#ifdef HAVE_POSIX_MEMALIGN
#if defined HAVE_POSIX_MEMALIGN
void *pv;
if (posix_memalign (&pv, ALIGN, sizeof (chunk_t)) == 0)
return (chunk_t *) pv;