diff options
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | sysdeps/posix/pwritev_common.c | 2 |
2 files changed, 2 insertions, 1 deletions
@@ -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> diff --git a/sysdeps/posix/pwritev_common.c b/sysdeps/posix/pwritev_common.c index bd0f5c5257..344ab4d61b 100644 --- a/sysdeps/posix/pwritev_common.c +++ b/sysdeps/posix/pwritev_common.c @@ -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; |