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check return value of mi_arena_commit, potential fix for #1098

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Daan 2025-06-06 15:51:34 -07:00
parent c8c325c8cd
commit 317b22cdb1
1 changed files with 5 additions and 2 deletions
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7
src/arena.c
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@ -76,7 +76,7 @@ size_t mi_arena_min_alignment(void) {
return MI_ARENA_SLICE_ALIGN; return MI_ARENA_SLICE_ALIGN;
} }
static bool mi_arena_commit(mi_arena_t* arena, void* start, size_t size, bool* is_zero, size_t already_committed) { mi_decl_nodiscard static bool mi_arena_commit(mi_arena_t* arena, void* start, size_t size, bool* is_zero, size_t already_committed) {
if (arena != NULL && arena->commit_fun != NULL) { if (arena != NULL && arena->commit_fun != NULL) {
return (*arena->commit_fun)(true, start, size, is_zero, arena->commit_fun_arg); return (*arena->commit_fun)(true, start, size, is_zero, arena->commit_fun_arg);
} }
@ -677,7 +677,10 @@ static mi_page_t* mi_arenas_page_alloc_fresh(size_t slice_count, size_t block_si
commit_size = _mi_align_up(block_start + block_size, MI_PAGE_MIN_COMMIT_SIZE); commit_size = _mi_align_up(block_start + block_size, MI_PAGE_MIN_COMMIT_SIZE);
if (commit_size > page_noguard_size) { commit_size = page_noguard_size; } if (commit_size > page_noguard_size) { commit_size = page_noguard_size; }
bool is_zero; bool is_zero;
mi_arena_commit( mi_memid_arena(memid), page, commit_size, &is_zero, 0); if (!mi_arena_commit( mi_memid_arena(memid), page, commit_size, &is_zero, 0)) {
_mi_arenas_free(page, alloc_size, memid);
return NULL;
}
if (!memid.initially_zero && !is_zero) { if (!memid.initially_zero && !is_zero) {
_mi_memzero_aligned(page, commit_size); _mi_memzero_aligned(page, commit_size);
} }