diff mbox series

[kirkstone,25/29] perf: fix reproduciblity in older releases of Linux

Message ID a4326da742c41f69c2d1d49cc8fdc2fda74aaa0d.1659105705.git.steve@sakoman.com
State New, archived
Headers show
Series [kirkstone,01/29] qemu: CVE-2022-35414 can perform an uninitialized read on the translate_fail path, leading to an io_readx or io_writex crash | expand

Commit Message

Steve Sakoman July 29, 2022, 2:46 p.m. UTC
From: Ross Burton <ross.burton@arm.com>

If you build perf from Linux 5.4 it still contains buildpaths (pointing
to the sysroot's Python) as the existing fixes don't apply to the lines
in that old release.

Add further expressions to remove the final buildpaths.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 6783c1e295e5afafd73a02fd986ca8956a89dda7)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 meta/recipes-kernel/perf/perf.bb | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index 603d3f9eee..95e7eae9fe 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -227,6 +227,9 @@  do_configure:prepend () {
         # reproducible.
         sed -i -e 's,$(call get-executable-or-default\,PYTHON\,$(PYTHON_AUTO)),$(notdir $(call get-executable-or-default\,PYTHON\,$(PYTHON_AUTO))),g' \
             ${S}/tools/perf/Makefile.config
+        # The same line is in older releases, but looking explicitly for Python 2
+        sed -i -e 's,$(call get-executable-or-default\,PYTHON\,$(PYTHON2)),$(notdir $(call get-executable-or-default\,PYTHON\,$(PYTHON2))),g' \
+            ${S}/tools/perf/Makefile.config
 
 	# likewise with this substitution. Kernels with commit 18f2967418d031a39
 	# [perf tools: Use Python devtools for version autodetection rather than runtime]