blob: 97c5bc482263e57c1a8b2e5b6c37eda8692e914d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
#Description: Avoid memory corruption of NULL address
#Author: Petr Pisar
--- quota/quotasys.c 2010-02-18 09:44:11.000000000 +0100
+++ quota-tools/quotasys.c 2010-05-05 08:02:53.000000000 +0200
@@ -746,9 +746,12 @@
kernel_qfmt_num = 0;
if (!stat("/proc/fs/xfs/stat", &st))
kernel_qfmt[kernel_qfmt_num++] = QF_XFS;
- else
- if (!quotactl(QCMD(Q_XGETQSTAT, 0), NULL, 0, NULL) || (errno != EINVAL && errno != ENOSYS))
+ else {
+ fs_quota_stat_t dummy;
+
+ if (!quotactl(QCMD(Q_XGETQSTAT, 0), "/dev/root", 0, (void *)&dummy) || (errno != EINVAL && errno != ENOSYS))
kernel_qfmt[kernel_qfmt_num++] = QF_XFS;
+ }
/* Detect new kernel interface; Assume generic interface unless we can prove there is not one... */
if (!stat("/proc/sys/fs/quota", &st) || errno != ENOENT) {
kernel_iface = IFACE_GENERIC;
|
