diff options
Diffstat (limited to 'meta-openembedded/meta-networking/recipes-filter/libnfnetlink/libnfnetlink/0004-libnfnetlink-initialize-attribute-padding-to-resolve.patch')
| -rw-r--r-- | meta-openembedded/meta-networking/recipes-filter/libnfnetlink/libnfnetlink/0004-libnfnetlink-initialize-attribute-padding-to-resolve.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-openembedded/meta-networking/recipes-filter/libnfnetlink/libnfnetlink/0004-libnfnetlink-initialize-attribute-padding-to-resolve.patch b/meta-openembedded/meta-networking/recipes-filter/libnfnetlink/libnfnetlink/0004-libnfnetlink-initialize-attribute-padding-to-resolve.patch new file mode 100644 index 000000000..cf3a84135 --- /dev/null +++ b/meta-openembedded/meta-networking/recipes-filter/libnfnetlink/libnfnetlink/0004-libnfnetlink-initialize-attribute-padding-to-resolve.patch @@ -0,0 +1,39 @@ +From b142da8d2c9e2e2dfbe4e89e680dd124f6064ac8 Mon Sep 17 00:00:00 2001 +From: Pablo Neira Ayuso <pablo@netfilter.org> +Date: Mon, 3 Feb 2014 12:09:29 +0100 +Subject: [PATCH 4/6] libnfnetlink: initialize attribute padding to resolve + valgrind warnings + +==12195== Syscall param socketcall.sendto(msg) points to uninitialised byte(s) +==12195== at 0x51209C3: __sendto_nocancel (syscall-template.S:81) +==12195== by 0x53E4D12: nfnl_send (libnfnetlink.c:391) +==12195== by 0x53E6952: nfnl_query (libnfnetlink.c:1569) +==12195== by 0x4E344AF: __build_send_cfg_msg.isra.1 (libnetfilter_log.c:143) +==12195== by 0x4E34710: nflog_bind_group (libnetfilter_log.c:413) +==12195== by 0x400CB1: main (nfulnl_test.c:77) +==12195== Address 0x7fefff3e9 is on thread 1's stack + +This patch sets to zero the padding that is included to align the +attribute payload. + +Reported-by: Ivan Homoliak <xhomol11@gmail.com> +Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> +--- + src/libnfnetlink.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/src/libnfnetlink.c b/src/libnfnetlink.c +index 4b2bcd0..398b7d7 100644 +--- a/src/libnfnetlink.c ++++ b/src/libnfnetlink.c +@@ -809,6 +809,7 @@ int nfnl_addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, + nfa->nfa_type = type; + nfa->nfa_len = len; + memcpy(NFA_DATA(nfa), data, alen); ++ memset((uint8_t *)nfa + nfa->nfa_len, 0, NFA_ALIGN(alen) - alen); + n->nlmsg_len = (NLMSG_ALIGN(n->nlmsg_len) + NFA_ALIGN(len)); + return 0; + } +-- +2.12.1 + |
