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nimble/transport: Skip H4 event parsing if received event is too big

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If received HCI event is too big to handle just return error and
stop parsing instead of overwriting data in memeory.
This commit is contained in:
Szymon Janc
2025-06-30 15:31:04 +02:00
committed by Rahul Tank
parent e52e061c49
commit d8106042fa
1 changed files with 3 additions and 0 deletions
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nimble/transport/common/hci_h4/src/hci_h4.c
+3
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@@ -164,6 +164,9 @@ hci_h4_sm_w4_header(struct hci_h4_sm *h4sm, struct hci_h4_input_buffer *ib)
}
h4sm->exp_len = h4sm->hdr[1] + 2;
if (h4sm->exp_len > MYNEWT_VAL(BLE_TRANSPORT_EVT_SIZE)) {
return -1;
}
break;
case HCI_H4_ISO:
assert(h4sm->allocs && h4sm->allocs->iso);