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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/libosmocore/+/16608 ) Change subject: gprs_bssgp: Work around gcc-9 claiming "error=stringop-overflow" ...................................................................... gprs_bssgp: Work around gcc-9 claiming "error=stringop-overflow" gcc-9.2.1 issues the following errror when compiling with -Werror: In function ‘tl16v_put’, inlined from ‘tvlv_put’ at ../../include/osmocom/gsm/tlv.h:156:9, inlined from ‘tvlv_put’ at ../../include/osmocom/gsm/tlv.h:147:24, inlined from ‘msgb_tvlv_put’ at ../../include/osmocom/gsm/tlv.h:223:9, inlined from ‘bssgp_tx_paging’ at gprs_bssgp.c:1250:2: ../../include/osmocom/gsm/tlv.h:131:2: error: ‘memcpy’ reading between 128 and 65535 bytes from a region of size 9 [-Werror=stringop-overflow=] 131 | memcpy(buf, val, len); | ^~~~~~~~~~~~~~~~~~~~~ Unfortunately I've not been able to work around it with some nice GCC #pragma GCC diagnostic ignored "-Wstringop-overflow" Change-Id: I22a0c399c6c00eaf87277002096a82844c9e198e --- M src/gb/gprs_bssgp.c M src/gb/gprs_bssgp_bss.c 2 files changed, 3 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified fixeria: Looks good to me, but someone else must approve pespin: Looks good to me, approved diff --git a/src/gb/gprs_bssgp.c b/src/gb/gprs_bssgp.c index 896f1c5..38794c2 100644 --- a/src/gb/gprs_bssgp.c +++ b/src/gb/gprs_bssgp.c @@ -1178,6 +1178,7 @@ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Warray-bounds" int imsi_len = gsm48_generate_mid_from_imsi(mi, dup->imsi); + OSMO_ASSERT(imsi_len <= GSM48_MID_MAX_SIZE); if (imsi_len > 2) msgb_tvlv_push(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2); @@ -1247,6 +1248,7 @@ * mi[131], which is wrong */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Warray-bounds" + OSMO_ASSERT(imsi_len <= GSM48_MID_MAX_SIZE); msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2); #pragma GCC diagnostic pop /* DRX Parameters */ diff --git a/src/gb/gprs_bssgp_bss.c b/src/gb/gprs_bssgp_bss.c index f06c403..5c9d11c 100644 --- a/src/gb/gprs_bssgp_bss.c +++ b/src/gb/gprs_bssgp_bss.c @@ -189,6 +189,7 @@ * mi[131], which is wrong */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Warray-bounds" + OSMO_ASSERT(imsi_len <= GSM48_MID_MAX_SIZE); /* strip the MI type and length values (2 bytes) */ if (imsi_len > 2) msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2); -- To view, visit https://gerrit.osmocom.org/c/libosmocore/+/16608 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Change-Id: I22a0c399c6c00eaf87277002096a82844c9e198e Gerrit-Change-Number: 16608 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge at osmocom.org> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <axilirator at gmail.com> Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20191217/9ca45e2a/attachment.htm>