wifi: iwlwifi: mvm: d3: validate D3 resume notification payloads

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D3 resume notification handlers read firmware notification fields
before validating that the payload contains the complete fixed structure.
This causes buffer underread on malformed or truncated notifications.

Move payload length validation to occur before any field access in:
- iwl_mvm_parse_wowlan_info_notif: validate before reading num_mlo_link_keys
- iwl_mvm_wait_d3_notif D3_END handler: validate before reading flags

Assisted-by: GitHub Copilot <copilot@github.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20260714141909.762193753434.I148991b8136cc5042fa08b5faf7b57d38aa2fb47@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>

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Emmanuel Grumbach 2026-07-14 14:20:04 +03:00 • committed by Miri Korenblit

parent 2c79d7a7b5

commit c1a1dc1628

1 changed files with 9 additions and 4 deletions

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drivers/net/wireless/intel/iwlwifi/mvm/d3.c

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