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Stefan Sperling gerrit-no-reply at lists.osmocom.orgStefan Sperling has uploaded this change for review. ( https://gerrit.osmocom.org/9242 Change subject: fix misaligned memory write access in abis_nm_ipaccess_rsl_connect() ...................................................................... fix misaligned memory write access in abis_nm_ipaccess_rsl_connect() Use memcpy() to avoid unaligned access, instead of writing through a pointer cast to uint32_t. Problem spotted by address sanitizer: abis_nm.c:2802:24: runtime error: store to misaligned address 0x7ffc95396706 for type 'uint32_t', which requires 4 byte alignment 0x7ffc95396706: note: pointer points here 81 0b bb 80 00 00 00 00 ed 79 28 56 00 00 e0 9c 00 00 a0 61 00 00 ... ^ Related: OS#3196 Change-Id: I8e591a56ae522b371da01ea968151a7e6fa24bb9 --- M src/libbsc/abis_nm.c 1 file changed, 1 insertion(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/42/9242/1 diff --git a/src/libbsc/abis_nm.c b/src/libbsc/abis_nm.c index b2cfa53..ea94d37 100644 --- a/src/libbsc/abis_nm.c +++ b/src/libbsc/abis_nm.c @@ -2799,7 +2799,7 @@ attr[1] = stream; attr[3] = port >> 8; attr[4] = port & 0xff; - *(uint32_t *)(attr+6) = ia.s_addr; + memcpy(attr + 6, &ia.s_addr, sizeof(uint32_t)); /* if ip == 0, we use the default IP */ if (ip == 0) -- To view, visit https://gerrit.osmocom.org/9242 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I8e591a56ae522b371da01ea968151a7e6fa24bb9 Gerrit-Change-Number: 9242 Gerrit-PatchSet: 1 Gerrit-Owner: Stefan Sperling <ssperling at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180522/57a624e1/attachment.htm>