Hi
Debian bug #712692 reported a segfault on systems with no numa info.
In this case, read_distance_table would exit with "0" which was not
picked up as an error by numa_distance(), leading to a dereference of
distance_table.
Signed-off-by: Ian Wienand <i...@wienand.org>
---
distance.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/distance.c b/distance.c
index 4a26972..ec423c4 100755
--- a/distance.c
+++ b/distance.c
@@ -58,15 +58,13 @@ static int read_distance_table(void)
int *table = NULL;
int err = -1;
- for (nd = 0;; nd++) {
+ for (nd = 0; nd<maxnode; nd++) {
char fn[100];
FILE *dfh;
sprintf(fn, "/sys/devices/system/node/node%d/distance", nd);
dfh = fopen(fn, "r");
if (!dfh) {
if (errno == ENOENT)
- err = 0;
- if (!err && nd<maxnode)
continue;
else
break;
--
1.7.10.4
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