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author | Paul Stewart <pstew@google.com> | 2017-02-10 00:04:16 +0000 |
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committer | android-build-merger <android-build-merger@google.com> | 2017-02-10 00:04:16 +0000 |
commit | 170a7d24f4421dfaf92064e571b38f805f590e6e (patch) | |
tree | d2c82636a75931284584c0ccb77b6284f096d3c1 | |
parent | c9e7458d7658809551e93c01f9374046d5e51a31 (diff) | |
parent | 642a497f9c8de5aa9a938edc1f10e5407617860f (diff) | |
download | libnl-170a7d24f4421dfaf92064e571b38f805f590e6e.tar.gz |
Perform range check on len in nlmsg_reserve am: f83d9c1c67 am: d42374324d am: d9f824b744 am: 25edb109fc am: b0a4ed4800 am: 65d4de583a am: 45c4ce4768
am: 642a497f9c
Change-Id: I26dfbb4b58a9d34be0df2d953b939e3ce7ca89b4
-rw-r--r-- | lib/msg.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -518,6 +518,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad) size_t nlmsg_len = n->nm_nlh->nlmsg_len; size_t tlen; + if (len > n->nm_size) + return NULL; + tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len; if ((tlen + nlmsg_len) > n->nm_size) |