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 @@ | |||
1 | From 603ae4ed8cd65abf0776ef7f68354a5c24a3411c Mon Sep 17 00:00:00 2001 | ||
2 | From: Sebastien GODARD <sysstat@users.noreply.github.com> | ||
3 | Date: Tue, 15 Oct 2019 14:39:33 +0800 | ||
4 | Subject: [PATCH] Fix #232: Memory corruption bug due to Integer Overflow in | ||
5 | remap_struct() | ||
6 | |||
7 | Try to avoid integer overflow when reading a corrupted binary datafile | ||
8 | with sadf. | ||
9 | |||
10 | Upstream-Status: Backport [https://github.com/sysstat/sysstat/commit/83fad9c895d1ac13f76af5883b7451b3302beef5] | ||
11 | CVE: CVE-2019-16167 | ||
12 | |||
13 | Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com> | ||
14 | Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com> | ||
15 | --- | ||
16 | sa_common.c | 7 +++++-- | ||
17 | 1 file changed, 5 insertions(+), 2 deletions(-) | ||
18 | |||
19 | diff --git a/sa_common.c b/sa_common.c | ||
20 | index 395c11c..cfa9007 100644 | ||
21 | --- a/sa_common.c | ||
22 | +++ b/sa_common.c | ||
23 | @@ -1336,7 +1336,8 @@ int remap_struct(unsigned int gtypes_nr[], unsigned int ftypes_nr[], | ||
24 | /* Remap [unsigned] int fields */ | ||
25 | d = gtypes_nr[1] - ftypes_nr[1]; | ||
26 | if (d) { | ||
27 | - if (ftypes_nr[1] * UL_ALIGNMENT_WIDTH < ftypes_nr[1]) | ||
28 | + if (gtypes_nr[0] * ULL_ALIGNMENT_WIDTH + | ||
29 | + ftypes_nr[1] * UL_ALIGNMENT_WIDTH < ftypes_nr[1]) | ||
30 | /* Overflow */ | ||
31 | return -1; | ||
32 | |||
33 | @@ -1365,7 +1366,9 @@ int remap_struct(unsigned int gtypes_nr[], unsigned int ftypes_nr[], | ||
34 | /* Remap possible fields (like strings of chars) following int fields */ | ||
35 | d = gtypes_nr[2] - ftypes_nr[2]; | ||
36 | if (d) { | ||
37 | - if (ftypes_nr[2] * U_ALIGNMENT_WIDTH < ftypes_nr[2]) | ||
38 | + if (gtypes_nr[0] * ULL_ALIGNMENT_WIDTH + | ||
39 | + gtypes_nr[1] * UL_ALIGNMENT_WIDTH + | ||
40 | + ftypes_nr[2] * U_ALIGNMENT_WIDTH < ftypes_nr[2]) | ||
41 | /* Overflow */ | ||
42 | return -1; | ||
43 | |||
44 | -- | ||
45 | 1.9.1 | ||
46 | |||