project-base/server-skynet-source-3rd-jemalloc
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Fix size miscalculation bug in reallocation

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This commit is contained in:
Yinan Zhang 2020-08-05 14:43:03 -07:00
parent eaed1e39be
commit 743021b63f
1 changed files with 1 additions and 1 deletions
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src/arena.c
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@ -1297,7 +1297,7 @@ void *
arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize, arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,
size_t size, size_t alignment, bool zero, tcache_t *tcache, size_t size, size_t alignment, bool zero, tcache_t *tcache,
hook_ralloc_args_t *hook_args) { hook_ralloc_args_t *hook_args) {
size_t usize = sz_s2u(size); size_t usize = alignment == 0 ? sz_s2u(size) : sz_sa2u(size, alignment);
if (unlikely(usize == 0 || size > SC_LARGE_MAXCLASS)) { if (unlikely(usize == 0 || size > SC_LARGE_MAXCLASS)) {
return NULL; return NULL;
} }