From: Hauke Mehrtens Date: Mon, 19 Dec 2022 00:07:38 +0000 (+0100) Subject: elfutils: Ignore wrong use-after-free error X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=2748c45d468b6208f70972adc7ae2e532b2c3015;p=openwrt%2Fstaging%2Fldir.git elfutils: Ignore wrong use-after-free error GCC 12.2.0 shows this false positive error message: ```` In function 'bigger_buffer', inlined from '__libdw_gunzip' at gzip.c:374:12: gzip.c:96:9: error: pointer may be used after 'realloc' [-Werror=use-after-free] 96 | b = realloc (state->buffer, more -= 1024); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gzip.c:94:13: note: call to 'realloc' here 94 | char *b = realloc (state->buffer, more); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors ```` GCC bug report: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104069 Signed-off-by: Hauke Mehrtens --- diff --git a/package/libs/elfutils/Makefile b/package/libs/elfutils/Makefile index d4e5d994e8..1e41e296b3 100644 --- a/package/libs/elfutils/Makefile +++ b/package/libs/elfutils/Makefile @@ -81,7 +81,7 @@ HOST_CONFIGURE_VARS += \ CONFIGURE_VARS += \ ac_cv_search__obstack_free=yes -TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result -Wno-format-nonliteral +TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result -Wno-format-nonliteral -Wno-error=use-after-free define Build/InstallDev $(INSTALL_DIR) $(1)/usr/include