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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/14082 ) Change subject: lapdm_rslms_recvmsg: Fix memory leak in error path ...................................................................... lapdm_rslms_recvmsg: Fix memory leak in error path The caller of lapdm_rslms_recvmsg() (e.g. osmo-bts/src/common/rsl.c) assumes the message ownership is transferred. However, in one of the two error paths, msgb_free() was not called and hence we had a memory leak. Also clarify the msgb ownership transfer in a comment. Related: OS#3750 Change-Id: Id60cb45e50bfc89224d97df6c68fcd2949751895 --- M src/gsm/lapdm.c 1 file changed, 3 insertions(+), 1 deletion(-) Approvals: Jenkins Builder: Verified Vadim Yanitskiy: Looks good to me, approved diff --git a/src/gsm/lapdm.c b/src/gsm/lapdm.c index ba9b3df..d76175b 100644 --- a/src/gsm/lapdm.c +++ b/src/gsm/lapdm.c @@ -1269,7 +1269,8 @@ return rc; } -/*! Receive a RSLms \ref msgb from Layer 3 */ +/*! Receive a RSLms \ref msgb from Layer 3. 'msg' ownership is transferred, + * i.e. caller must not free it */ int lapdm_rslms_recvmsg(struct msgb *msg, struct lapdm_channel *lc) { struct abis_rsl_common_hdr *rslh = msgb_l2(msg); @@ -1277,6 +1278,7 @@ if (msgb_l2len(msg) < sizeof(*rslh)) { LOGP(DLLAPD, LOGL_ERROR, "Message too short RSL hdr!\n"); + msgb_free(msg); return -EINVAL; } -- To view, visit https://gerrit.osmocom.org/14082 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: Id60cb45e50bfc89224d97df6c68fcd2949751895 Gerrit-Change-Number: 14082 Gerrit-PatchSet: 1 Gerrit-Owner: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) Gerrit-Reviewer: Vadim Yanitskiy <axilirator at gmail.com> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190521/6e8e9a12/attachment.htm>