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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-11-03 13:50:41 +0200 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-11-03 13:50:41 +0200 |
| commit | 7d9a6ef558f6ff375aab9e29f08124cb0daa9bc5 (patch) | |
| tree | 3916e6cf9678a41081ae822ef67ec5cae1c1fffa /net/compat.c | |
| parent | 3fcf2b2a2529e268c537d8ad9dac5987ebc8a2f7 (diff) | |
| parent | 0224d45c9d46401b6d7018a96cfe049c5da7d91c (diff) | |
| download | talos-op-linux-7d9a6ef558f6ff375aab9e29f08124cb0daa9bc5.tar.gz talos-op-linux-7d9a6ef558f6ff375aab9e29f08124cb0daa9bc5.zip | |
Merge branch 'i2c/cht-wc-fusb302-immutable' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c/cht-wc-fusb302-immutable immutable branch from Wolfram Sang:
as discussed before, here is the immutable branch for the i2c-cht-wc
driver, so you can safely apply Hans' patch [1]
"platform/x86: intel_cht_int33fe: Update fusb302 type string, add properties"
on top of this.
[1] http://patchwork.ozlabs.org/patch/824314/
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/compat.c b/net/compat.c index 6ded6c821d7a..22381719718c 100644 --- a/net/compat.c +++ b/net/compat.c @@ -185,6 +185,13 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk, ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen); } + /* + * check the length of messages copied in is the same as the + * what we get from the first loop + */ + if ((char *)kcmsg - (char *)kcmsg_base != kcmlen) + goto Einval; + /* Ok, looks like we made it. Hook it up and return success. */ kmsg->msg_control = kcmsg_base; kmsg->msg_controllen = kcmlen; |
