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Bug 724590 - GSlice slab_stack corruption

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Dereference allocation->contention_counters before trying to take the
address of an element.
This commit is contained in:
John Ralls 2014-02-17 15:51:38 -08:00
parent 9f0ad54c80
commit c49ec3c8d7
1 changed files with 2 additions and 1 deletions
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3
glib/gslice.c
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@ -715,7 +715,8 @@ static ChunkLink*
magazine_cache_pop_magazine (guint ix, magazine_cache_pop_magazine (guint ix,
gsize *countp) gsize *countp)
{ {
g_mutex_lock_a (&allocator->magazine_mutex, &allocator->contention_counters[ix]); guint *counters = allocator->contention_counters;
g_mutex_lock_a (&allocator->magazine_mutex, &counters[ix]);
if (!allocator->magazines[ix]) if (!allocator->magazines[ix])
{ {
guint magazine_threshold = allocator_get_magazine_threshold (allocator, ix); guint magazine_threshold = allocator_get_magazine_threshold (allocator, ix);