[Xen-changelog] [xen stable-4.2] tools/libxl: Fix integer overflows in sched_sedf_domain_set()

[patchbot@xxxxxxx]

commit 8ffe08b8968b3b9210b8c613728a35431734556a
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Mon Nov 25 11:12:51 2013 +0000
Commit:     Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
CommitDate: Thu Jan 9 12:35:17 2014 +0000

    tools/libxl: Fix integer overflows in sched_sedf_domain_set()
    
    Coverity ID: 1055662 1055663 1055664
    
    Widen from int to uint64_t before multiplcation, rather than afterwards.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
    CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
    (cherry picked from commit 9c01516fee7d548af58fd310d3c93dd71ea9ea28)
    (cherry picked from commit 2de748569f827b037ec10104f7c12f44d01d0ffa)
---
 tools/libxl/libxl.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index f6da7cd..8e191ca 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -4227,11 +4227,11 @@ static int sched_sedf_domain_set(libxl__gc *gc, 
uint32_t domid,
     }
 
     if (scinfo->period != LIBXL_DOMAIN_SCHED_PARAM_PERIOD_DEFAULT)
-        period = scinfo->period * 1000000;
+        period = (uint64_t)scinfo->period * 1000000;
     if (scinfo->slice != LIBXL_DOMAIN_SCHED_PARAM_SLICE_DEFAULT)
-        slice = scinfo->slice * 1000000;
+        slice = (uint64_t)scinfo->slice * 1000000;
     if (scinfo->latency != LIBXL_DOMAIN_SCHED_PARAM_LATENCY_DEFAULT)
-        latency = scinfo->latency * 1000000;
+        latency = (uint64_t)scinfo->latency * 1000000;
     if (scinfo->extratime != LIBXL_DOMAIN_SCHED_PARAM_EXTRATIME_DEFAULT)
         extratime = scinfo->extratime;
     if (scinfo->weight != LIBXL_DOMAIN_SCHED_PARAM_WEIGHT_DEFAULT)
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.2

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