iwlwifi: fix debug TLV parsing
Debug TLV parsing was missing size checks, so if a valid but too short TLV was encountered, it would attempt to read it. If the firmware file was arranged to be a multiple of pages long with this happening just before the end, it could crash reading out-of-bounds of a vmalloc area. Fix this by adding the relevant size check. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20211210110539.84848da8067f.Ifb4f80c95d283ec62e495a7928069af711b5fee2@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>
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