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ipc: handle more invalid parameter cases

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Length of buffer and number of fd's to send are signed values, so
they can be negative, but the API doesn't check for that. Fix it
by checking for negative values as well.

Fixes: bacaa2754017 ("eal: add channel for multi-process communication")
Cc: stable@dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
This commit is contained in:
Anatoly Burakov 2019-04-29 14:59:28 +01:00 committed by Thomas Monjalon
parent 7b51d1b162
commit 6e5d779ecb
1 changed files with 12 additions and 0 deletions
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12
lib/librte_eal/common/eal_common_proc.c
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@ -761,6 +761,18 @@ check_input(const struct rte_mp_msg *msg)
if (validate_action_name(msg->name))
return false;
if (msg->len_param < 0) {
RTE_LOG(ERR, EAL, "Message data length is negative\n");
rte_errno = EINVAL;
return false;
}
if (msg->num_fds < 0) {
RTE_LOG(ERR, EAL, "Number of fd's is negative\n");
rte_errno = EINVAL;
return false;
}
if (msg->len_param > RTE_MP_MAX_PARAM_LEN) {
RTE_LOG(ERR, EAL, "Message data is too long\n");
rte_errno = E2BIG;