fixeria has submitted this change. ( https://gerrit.osmocom.org/c/libosmo-abis/+/39607?usp=email ) Change subject: ipaccess: Reset pointer before calling stream_cli func triggering callback ...................................................................... ipaccess: Reset pointer before calling stream_cli func triggering callback The osmo_stream_cli_destroy() may trigger the disconnect_cb, which we forward to the user through sign_link_down() callback. Hence, the user may call e1inp_ipa_bts_rsl_close_n() again (re-entrant, recursively) before we had time to nullify the pointer, calling osmo_stream_cli_destroy() again. Instead, make sure the pointer is reset bfore potentially calling the osmo_stream_cli_destroy() to make sure to catch this scenario. This issue was being triggered by BTS_Tests.TC_chopped_ipa_payload, which was hitting an assert due to incorrectly calling osmo_stream_cli_destroy() twice on a given stream_cli. Related: OS#6729 Change-Id: I2f1da24580effab5e3dfeacb6514c3b1e3a650c9 --- M src/input/ipaccess.c 1 file changed, 1 insertion(+), 1 deletion(-) Approvals: Jenkins Builder: Verified fixeria: Looks good to me, but someone else must approve osmith: Looks good to me, approved diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c index 6a7d753..44ec719 100644 --- a/src/input/ipaccess.c +++ b/src/input/ipaccess.c @@ -1168,8 +1168,8 @@ cli = il->ipa_cli[1 + trx_nr]; if (cli != NULL) { - osmo_stream_cli_destroy(cli); il->ipa_cli[1 + trx_nr] = NULL; + osmo_stream_cli_destroy(cli); } return 0; } -- To view, visit https://gerrit.osmocom.org/c/libosmo-abis/+/39607?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: merged Gerrit-Project: libosmo-abis Gerrit-Branch: master Gerrit-Change-Id: I2f1da24580effab5e3dfeacb6514c3b1e3a650c9 Gerrit-Change-Number: 39607 Gerrit-PatchSet: 3 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: osmith <osmith(a)sysmocom.de>