@@ -36,6 +36,7 @@
(__glob64): Define GLIBC_2_27 versioned symbol instead of glob64.
* sysdeps/gnu/glob-lstat-compat.c: New file.
* sysdeps/gnu/glob64-lstat-compat.c: New file.
+ * sysdeps/posix/pwritev_common.c: Add PROT_READ to __mmap prot.
2018-01-05 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
@@ -55,7 +55,7 @@ PWRITEV (int fd, const struct iovec *vector, int count, OFF_T offset)
but 1. it is system specific (not meant in generic implementation), and
2. it would make the implementation more complex, and 3. it will require
another syscall (fcntl). */
- void *buffer = __mmap (NULL, bytes, PROT_WRITE,
+ void *buffer = __mmap (NULL, bytes, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (__glibc_unlikely (buffer == MAP_FAILED))
return -1;