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authorWenlin Kang <wenlin.kang@windriver.com>2019-10-15 15:27:43 +0800
committerArmin Kuster <akuster808@gmail.com>2019-10-25 23:44:24 -0700
commit5c11937348debf57e3a87c7c6a6c0429fd756eca (patch)
tree23c9df062635ccd53e665742037dded04f9a293e
parent7ec70aeb0c6f6080523efa0f983fa36b92cb5558 (diff)
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sysstat: fix CVE-2019-16167
This commit is another part of CVE-2019-16167, please see https://github.com/sysstat/sysstat/issues/232. Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 586c045eb81b79200b46bf743f5d3fdb5f68c12d) Signed-off-by: Armin Kuster <akuster808@gmail.com>
-rw-r--r--meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch46
-rw-r--r--meta/recipes-extended/sysstat/sysstat_12.1.6.bb4
2 files changed, 49 insertions, 1 deletions
diff --git a/meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch b/meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch
new file mode 100644
index 0000000000..46b111806c
--- /dev/null
+++ b/meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch
@@ -0,0 +1,46 @@
+From 603ae4ed8cd65abf0776ef7f68354a5c24a3411c Mon Sep 17 00:00:00 2001
+From: Sebastien GODARD <sysstat@users.noreply.github.com>
+Date: Tue, 15 Oct 2019 14:39:33 +0800
+Subject: [PATCH] Fix #232: Memory corruption bug due to Integer Overflow in
+ remap_struct()
+
+Try to avoid integer overflow when reading a corrupted binary datafile
+with sadf.
+
+Upstream-Status: Backport [https://github.com/sysstat/sysstat/commit/83fad9c895d1ac13f76af5883b7451b3302beef5]
+CVE: CVE-2019-16167
+
+Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>
+Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+---
+ sa_common.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/sa_common.c b/sa_common.c
+index 395c11c..cfa9007 100644
+--- a/sa_common.c
++++ b/sa_common.c
+@@ -1336,7 +1336,8 @@ int remap_struct(unsigned int gtypes_nr[], unsigned int ftypes_nr[],
+ /* Remap [unsigned] int fields */
+ d = gtypes_nr[1] - ftypes_nr[1];
+ if (d) {
+- if (ftypes_nr[1] * UL_ALIGNMENT_WIDTH < ftypes_nr[1])
++ if (gtypes_nr[0] * ULL_ALIGNMENT_WIDTH +
++ ftypes_nr[1] * UL_ALIGNMENT_WIDTH < ftypes_nr[1])
+ /* Overflow */
+ return -1;
+
+@@ -1365,7 +1366,9 @@ int remap_struct(unsigned int gtypes_nr[], unsigned int ftypes_nr[],
+ /* Remap possible fields (like strings of chars) following int fields */
+ d = gtypes_nr[2] - ftypes_nr[2];
+ if (d) {
+- if (ftypes_nr[2] * U_ALIGNMENT_WIDTH < ftypes_nr[2])
++ if (gtypes_nr[0] * ULL_ALIGNMENT_WIDTH +
++ gtypes_nr[1] * UL_ALIGNMENT_WIDTH +
++ ftypes_nr[2] * U_ALIGNMENT_WIDTH < ftypes_nr[2])
+ /* Overflow */
+ return -1;
+
+--
+1.9.1
+
diff --git a/meta/recipes-extended/sysstat/sysstat_12.1.6.bb b/meta/recipes-extended/sysstat/sysstat_12.1.6.bb
index 8cf8c36d9b..362888d506 100644
--- a/meta/recipes-extended/sysstat/sysstat_12.1.6.bb
+++ b/meta/recipes-extended/sysstat/sysstat_12.1.6.bb
@@ -2,7 +2,9 @@ require sysstat.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=a23a74b3f4caf9616230789d94217acb"
-SRC_URI += "file://0001-Include-needed-headers-explicitly.patch"
+SRC_URI += "file://0001-Include-needed-headers-explicitly.patch \
+ file://0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch \
+"
SRC_URI[md5sum] = "d8e3bbb9c873dd370f6d33664e326570"
SRC_URI[sha256sum] = "f752f3c406153a6fc446496f1102872505ace3f0931d975c1d664c81ec09f129"