diff options
| author | Mark Brown <broonie@linaro.org> | 2013-12-05 10:15:16 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-05 10:15:16 +0000 |
| commit | dffe2a3eed105c631500778dfaba0998d7bf8512 (patch) | |
| tree | 4c2492d710e0b101f57a7f399b3e891129b1c8b4 /drivers/s390/net/qeth_core_main.c | |
| parent | 3b21b35761de8348dd2f7cff9752449281d7a17b (diff) | |
| parent | 538069756ce13f9d0e0ccb7a17b6935a0bfb7cad (diff) | |
Merge tag 'v3.10.22' into linux-linaro-lsk
This is the 3.10.22 stable release
Diffstat (limited to 'drivers/s390/net/qeth_core_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 6cd0fc1b203..e06cb8f8d0c 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -4448,7 +4448,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata) struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; struct qeth_snmp_ureq *ureq; - int req_len; + unsigned int req_len; struct qeth_arp_query_info qinfo = {0, }; int rc = 0; @@ -4464,6 +4464,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata) /* skip 4 bytes (data_len struct member) to get req_len */ if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) return -EFAULT; + if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE - + sizeof(struct qeth_ipacmd_hdr) - + sizeof(struct qeth_ipacmd_setadpparms_hdr))) + return -EINVAL; ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr)); if (IS_ERR(ureq)) { QETH_CARD_TEXT(card, 2, "snmpnome"); |