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parallels: Sanity check for s->tracks (CVE-2014-0142)
authorKevin Wolf <kwolf@redhat.com>
Wed, 26 Mar 2014 12:06:09 +0000 (13:06 +0100)
committerStefan Hajnoczi <stefanha@redhat.com>
Tue, 1 Apr 2014 13:22:35 +0000 (15:22 +0200)
commit9302e863aa8baa5d932fc078967050c055fa1a7f
tree1438bb12aa1447fbd965e1b4f09e55384c014743tree | snapshot
parentafbcc40bee4ef51731102d7d4b499ee12fc182e1commit | diff
parallels: Sanity check for s->tracks (CVE-2014-0142)

This avoids a possible division by zero.

Convert s->tracks to unsigned as well because it feels better than
surviving just because the results of calculations with s->tracks are
converted to unsigned anyway.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
block/parallels.c diff | blob | history
tests/qemu-iotests/076 diff | blob | history
tests/qemu-iotests/076.out diff | blob | history
Domain: SDK / Emulator;