Commit b19893d4 authored Jan 10, 2022 by Himansu Nayak

msm: ipa3: Fix to validate the NAT table entries during NAT table init

During NAT table Initialization parameter pass from HLOS, if max/zero
table entries passed it was leading to out of bound read. Adding checks
to validate the table entries before passing to NAT table parameter.

Change-Id: I85ae3272e6c72eefd241c3b26f3bfc02a636fd75
Signed-off-by: Himansu Nayak <quic_himansu@quicinc.com>

parent 93e270aa

drivers/platform/msm/ipa/ipa_v3/ipa_nat.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1364,8 +1364,9 @@ int ipa3_nat_init_cmd(
		goto bail;
		}

		if (init->table_entries == 0) {
		IPAERR_RL("Table entries is zero\n");
		if (init->table_entries == 0 \|\|
		init->table_entries == U16_MAX) {
		IPAERR_RL("Table entries is %d\n", init->table_entries);
		result = -EPERM;
		goto bail;
		}