From 3862f9b7959b6ce6f69ccc64260c9cd7b293ab91 Mon Sep 17 00:00:00 2001 From: GNU Libc Maintainers Date: Wed, 31 Jan 2024 21:45:37 +0100 Subject: [PATCH] local-qsort-memory-corruption Gbp-Pq: Topic any Gbp-Pq: Name local-qsort-memory-corruption.patch --- stdlib/qsort.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/stdlib/qsort.c b/stdlib/qsort.c index 728a0ed37..b11ad3a87 100644 --- a/stdlib/qsort.c +++ b/stdlib/qsort.c @@ -224,7 +224,8 @@ _quicksort (void *const pbase, size_t total_elems, size_t size, while ((run_ptr += size) <= end_ptr) { tmp_ptr = run_ptr - size; - while ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, arg) < 0) + while (tmp_ptr != base_ptr + && (*cmp) ((void *) run_ptr, (void *) tmp_ptr, arg) < 0) tmp_ptr -= size; tmp_ptr += size; -- 2.30.2