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Issue #23450: Fixed possible integer overflows.

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This commit is contained in:
Serhiy Storchaka 2015-02-16 20:52:17 +02:00
parent 4d0d982985
commit 26861b0b29
8 changed files with 64 additions and 50 deletions
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2
Objects/obmalloc.c
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@ -1339,7 +1339,7 @@ _PyObject_Alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
pool = (poolp)usable_arenas->pool_address;
assert((block*)pool <= (block*)usable_arenas->address +
ARENA_SIZE - POOL_SIZE);
pool->arenaindex = usable_arenas - arenas;
pool->arenaindex = (uint)(usable_arenas - arenas);
assert(&arenas[pool->arenaindex] == usable_arenas);
pool->szidx = DUMMY_SIZE_IDX;
usable_arenas->pool_address += POOL_SIZE;