From 63634bb4a107877dd08b6282e28e11cfd1a1649e Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 15 Jun 2017 12:44:23 +0100 Subject: [PATCH] Avoid a possible compiler bug by using a static buffer instead of a stack local buffer. PR binutils/21582 * ieee.c (ieee_object_p): Use a static buffer to avoid compiler bugs. Upstream-Status: Backport CVE: CVE-2017-9748 Signed-off-by: Armin Kuster --- bfd/ChangeLog | 6 ++++++ bfd/ieee.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) Index: git/bfd/ieee.c =================================================================== --- git.orig/bfd/ieee.c +++ git/bfd/ieee.c @@ -1875,7 +1875,7 @@ ieee_object_p (bfd *abfd) char *processor; unsigned int part; ieee_data_type *ieee; - unsigned char buffer[300]; + static unsigned char buffer[300]; ieee_data_type *save = IEEE_DATA (abfd); bfd_size_type amt; Index: git/bfd/ChangeLog =================================================================== --- git.orig/bfd/ChangeLog +++ git/bfd/ChangeLog @@ -1,5 +1,9 @@ 2017-06-15 Nick Clifton + PR binutils/21582 + * ieee.c (ieee_object_p): Use a static buffer to avoid compiler + bugs. + PR binutils/21581 (ieee_archive_p): Likewise.