pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-sgsn/+/32578 )
Change subject: gprs_sm.c: Fix load of misaligned ptr address ......................................................................
gprs_sm.c: Fix load of misaligned ptr address
Got this Asan runtime error in osmo-sgsn while implementing the MS side of SM: """ DMM gprs_sm.c:427 MM(901700000015254/c655d609) -> ACTIVATE PDP CONTEXT REQ: SAPI=3 NSAPI=6 IETF IPv4 /osmo-sgsn/src/sgsn/gprs_sm.c:453:16: runtime error: load of misaligned address 0x61f000064ba3 for type 'uint32_t', which requires 4 byte alignment 0x61f000064ba3: note: pointer points here 00 06 01 21 00 00 00 00 28 09 27 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ """
Change-Id: I8069e3457120b22bb6514fd5d192bff486d7d87f --- M src/sgsn/gprs_sm.c 1 file changed, 18 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/78/32578/1
diff --git a/src/sgsn/gprs_sm.c b/src/sgsn/gprs_sm.c index 1194f31..88d1feb 100644 --- a/src/sgsn/gprs_sm.c +++ b/src/sgsn/gprs_sm.c @@ -450,7 +450,7 @@ DEBUGPC(DMM, "IPv4 "); if (req_pdpa_len >= 6) { struct in_addr ia; - ia.s_addr = ntohl(*((uint32_t *) (req_pdpa+2))); + ia.s_addr = osmo_load32be(req_pdpa+2); DEBUGPC(DMM, "%s ", inet_ntop(AF_INET, &ia, buf, sizeof(buf))); } break;