diff options
Diffstat (limited to 'meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch')
-rw-r--r-- | meta/recipes-extended/sysstat/sysstat/0001-Fix-232-Memory-corruption-bug-due-to-Integer-Overflo.patch | 46 |
1 files changed, 46 insertions, 0 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 + |