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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/NEWS b/NEWS index b58e2469d4..db1ca8125b 100644 --- a/NEWS +++ b/NEWS @@ -160,6 +160,12 @@ Deprecated and removed features, and other changes affecting compatibility: as all functions that call vscanf, vfscanf, or vsscanf are annotated with __attribute__ ((format (scanf, ...))). +* Memory allocation functions malloc, calloc, realloc, reallocarray, valloc, + pvalloc, memalign, and posix_memalign fail now with total object size + larger than PTRDIFF_MAX. This is to avoid potential undefined behavior with + pointer subtraction within the allocated object, where results might + overflow the ptrdiff_t type. + Changes to build and runtime requirements: * Python 3.4 or later is required to build the GNU C Library. |