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Fix segment release check in internal memory allocator.

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Thanks to Jinji Zeng. #1179 #1157
This commit is contained in:
Mike Pall 2024-04-19 01:44:19 +02:00
parent cae361187e
commit 9b5e837ac2
1 changed files with 1 additions and 1 deletions
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2
src/lj_alloc.c
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@ -975,7 +975,7 @@ static size_t release_unused_segments(mstate m)
mchunkptr p = align_as_chunk(base); mchunkptr p = align_as_chunk(base);
size_t psize = chunksize(p); size_t psize = chunksize(p);
/* Can unmap if first chunk holds entire segment and not pinned */ /* Can unmap if first chunk holds entire segment and not pinned */
if (!cinuse(p) && (char *)p + psize >= base + size - TOP_FOOT_SIZE) { if (!cinuse(p) && (char *)p + psize == (char *)mem2chunk(sp)) {
tchunkptr tp = (tchunkptr)p; tchunkptr tp = (tchunkptr)p;
if (p == m->dv) { if (p == m->dv) {
m->dv = 0; m->dv = 0;