diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/jemalloc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/jemalloc.c b/src/jemalloc.c index a29e613..f403306 100644 --- a/src/jemalloc.c +++ b/src/jemalloc.c @@ -2286,8 +2286,12 @@ ixallocx_prof(tsd_t *tsd, void *ptr, size_t old_usize, size_t size, prof_active = prof_active_get_unlocked(); old_tctx = prof_tctx_get(ptr); /* Clamp extra if necessary to avoid (size + extra) overflow. */ - if (unlikely(size + extra > HUGE_MAXCLASS)) + if (unlikely(size + extra > HUGE_MAXCLASS)) { + /* Check for size overflow. */ + if (size > HUGE_MAXCLASS) + return (old_usize); extra = HUGE_MAXCLASS - size; + } /* * usize isn't knowable before ixalloc() returns when extra is non-zero. * Therefore, compute its maximum possible value and use that in |