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Avoid the following repeated computing or replay attack.

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airskywater 2022-10-09 18:29:13 +08:00 committed by GitHub
parent df7a26c28c
commit 6d9da043da
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
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2
hw/application_fpga/fw/mta1_mkdf/main.c
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@ -175,7 +175,7 @@ int main()
case FW_CMD_LOAD_APP_DATA:
puts("request: load-app-data\n");
if (hdr.len != 128 || *app_size == 0) {
if (hdr.len != 128 || *app_size == 0 || left == 0) {
// Bad length of this command or bad app size -
// they need to call FW_CMD_LOAD_APP_SIZE first
rsp[0] = STATUS_BAD;