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| author | Eric Seppanen <eric@purestorage.com> | 2013-11-21 14:49:56 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-12-11 10:59:33 -0800 |
| commit | 2306bfb208b9c403592a0513b08f2e6ad53056d5 (patch) | |
| tree | bffa17764e7eb86a91620996562c92dfa3b557f6 | |
| parent | 374b105797c3d4f29c685f3be535c35f5689b30e (diff) | |
| download | linux-stable-2306bfb208b9c403592a0513b08f2e6ad53056d5.tar.gz linux-stable-2306bfb208b9c403592a0513b08f2e6ad53056d5.tar.bz2 linux-stable-2306bfb208b9c403592a0513b08f2e6ad53056d5.zip | |
iscsi-target: return -EINVAL on oversized configfs parameter
The iSCSI CHAP auth parameters are already copied with respect for
the destination buffer size. Return -EINVAL instead of silently
truncating the input.
Signed-off-by: Eric Seppanen <eric@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_configfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index e3318edb233d..1c0088fe9e99 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -474,7 +474,8 @@ static ssize_t __iscsi_##prefix##_store_##name( \ \ if (!capable(CAP_SYS_ADMIN)) \ return -EPERM; \ - \ + if (count >= sizeof(auth->name)) \ + return -EINVAL; \ snprintf(auth->name, sizeof(auth->name), "%s", page); \ if (!strncmp("NULL", auth->name, 4)) \ auth->naf_flags &= ~flags; \ |