From 763719d253da18e011d28b08fd92125f7ae5e9ae Mon Sep 17 00:00:00 2001 From: Yao Xingtao Date: Mon, 22 Jul 2024 00:07:36 -0400 Subject: [PATCH] qtest/fuzz: make range overlap check more readable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit use ranges_overlap() instead of open-coding the overlap check to improve the readability of the code. Signed-off-by: Yao Xingtao Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Reviewed-by: Alexander Bulekov Message-ID: <20240722040742.11513-8-yaoxt.fnst@fujitsu.com> Signed-off-by: Thomas Huth --- tests/qtest/fuzz/generic_fuzz.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuzz.c index ec842e03c5..d107a496da 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -11,6 +11,7 @@ */ #include "qemu/osdep.h" +#include "qemu/range.h" #include @@ -211,7 +212,7 @@ void fuzz_dma_read_cb(size_t addr, size_t len, MemoryRegion *mr) i < dma_regions->len && (avoid_double_fetches || qtest_log_enabled); ++i) { region = g_array_index(dma_regions, address_range, i); - if (addr < region.addr + region.size && addr + len > region.addr) { + if (ranges_overlap(addr, len, region.addr, region.size)) { double_fetch = true; if (addr < region.addr && avoid_double_fetches) {