diff options
Diffstat (limited to 'dev-lang/python/files/python-3.6.5-hash-unaligned.patch')
| -rw-r--r-- | dev-lang/python/files/python-3.6.5-hash-unaligned.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/dev-lang/python/files/python-3.6.5-hash-unaligned.patch b/dev-lang/python/files/python-3.6.5-hash-unaligned.patch deleted file mode 100644 index d096887cbfb7..000000000000 --- a/dev-lang/python/files/python-3.6.5-hash-unaligned.patch +++ /dev/null @@ -1,42 +0,0 @@ -The hash implementation casts the input pointer to uint64_t* and directly reads -from this, which may cause unaligned accesses. Use memcpy() instead so this code -will not crash with SIGBUS on sparc. - ---- a/Python/pyhash.c 2017-11-29 10:21:20.283094068 +0100 -+++ b/Python/pyhash.c 2017-11-29 10:24:26.733087813 +0100 -@@ -369,7 +369,7 @@ - uint64_t k0 = _le64toh(_Py_HashSecret.siphash.k0); - uint64_t k1 = _le64toh(_Py_HashSecret.siphash.k1); - uint64_t b = (uint64_t)src_sz << 56; -- const uint64_t *in = (uint64_t*)src; -+ const uint8_t *in = (uint8_t*)src; - - uint64_t v0 = k0 ^ 0x736f6d6570736575ULL; - uint64_t v1 = k1 ^ 0x646f72616e646f6dULL; -@@ -378,11 +378,13 @@ - - uint64_t t; - uint8_t *pt; -- uint8_t *m; -+ const uint8_t *m; - - while (src_sz >= 8) { -- uint64_t mi = _le64toh(*in); -- in += 1; -- src_sz -= 8; -+ uint64_t mi; -+ memcpy(&mi, in, sizeof(mi)); -+ mi = _le64toh(mi); -+ in += sizeof(mi); -+ src_sz -= sizeof(mi); - v3 ^= mi; - DOUBLE_ROUND(v0,v1,v2,v3); -@@ -391,7 +393,7 @@ - - t = 0; - pt = (uint8_t *)&t; -- m = (uint8_t *)in; -+ m = in; - switch (src_sz) { - case 7: pt[6] = m[6]; /* fall through */ - case 6: pt[5] = m[5]; /* fall through */ |