From cc53801dff2ba4bc62eaa666b3b7d9401232089c Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Mon, 8 Dec 2025 15:58:33 +1030 Subject: [PATCH] PR 33697, fuzzer segfault PR 33697 * readelf.c (process_relocs): Don't segfault on no sections. CVE: CVE-2025-69649 Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=66a3492ce68e1ae45b2489bd9a815c39ea5d7f66] (cherry picked from commit 66a3492ce68e1ae45b2489bd9a815c39ea5d7f66) Signed-off-by: Deepak Rathore --- binutils/readelf.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/binutils/readelf.c b/binutils/readelf.c index 8f188e8c3e2..8d28b1c30e4 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -9621,13 +9621,11 @@ process_relocs (Filedata * filedata) size_t i; bool found = false; - for (i = 0, section = filedata->section_headers; - i < filedata->file_header.e_shnum; - i++, section++) - { + section = filedata->section_headers; + if (section != NULL) + for (i = 0; i < filedata->file_header.e_shnum; i++, section++) if (display_relocations (section, filedata)) found = true; - } if (! found) { -- 2.35.6