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| author | Mauro Matteo Cascella <mcascell@redhat.com> | 2020-10-15 09:59:57 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-10-19 09:17:21 +0200 |
| commit | bea2a9e3e00b275dc40cfa09c760c715b8753e03 (patch) | |
| tree | 8dc1d99ffbc615c58121e422866cbdccc2a8ac41 /qemu-img.c | |
| parent | ccee80c68db14b3e965582a19393992b5c2b97f4 (diff) | |
hw/usb/hcd-dwc2: fix divide-by-zero in dwc2_handle_packet()
Check the value of mps to avoid potential divide-by-zero later in the function.
Since HCCHAR_MPS is guest controllable, this prevents a malicious/buggy guest
from crashing the QEMU process on the host.
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reviewed-by: Paul Zimmerman <pauldzim@gmail.com>
Reported-by: Gaoning Pan <gaoning.pgn@antgroup.com>
Reported-by: Xingwei Lin <linyi.lxw@antfin.com>
Message-id: 20201015075957.268823-1-mcascell@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'qemu-img.c')
0 files changed, 0 insertions, 0 deletions