1From 4b8386a90802ed8e43eac2266f6e03c92b4462ed Mon Sep 17 00:00:00 2001 2From: Nick Clifton <nickc@redhat.com> 3Date: Fri, 23 Dec 2022 13:02:04 +0000 4Subject: [PATCH] Fix illegal memory access parsing corrupt DWARF information. 5 6 PR 29936 7 * dwarf2.c (concat_filename): Fix check for a directory index off 8 the end of the directory table. 9 10Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=8af23b30edbaedf009bc9b243cd4dfa10ae1ac09] 11CVE: CVE-2023-22608 12 13Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> 14 15--- 16 bfd/dwarf2.c | 3 ++- 17 1 file changed, 2 insertions(+), 1 deletion(-) 18 19diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c 20index b7839ad6..8b07a24c 100644 21--- a/bfd/dwarf2.c 22+++ b/bfd/dwarf2.c 23@@ -1828,7 +1828,8 @@ concat_filename (struct line_info_table *table, unsigned int file) 24 25 if (table->files[file].dir 26 /* PR 17512: file: 0317e960. */ 27- && table->files[file].dir <= table->num_dirs 28+ && table->files[file].dir 29+ <= (table->use_dir_and_file_0 ? table->num_dirs - 1 : table->num_dirs) 30 /* PR 17512: file: 7f3d2e4b. */ 31 && table->dirs != NULL) 32 { 33