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libnvme: examples: validate AE numbers in mi-mctp-ae #3915

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libnvme: examples: validate AE numbers in mi-mctp-ae #3915

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8 changes: 7 additions & 1 deletion libnvme/examples/mi-mctp-ae.c
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ int main(int argc, char **argv)
const uint8_t AEM_FD_INDEX = 0;
const uint8_t STD_IN_FD_INDEX = 1;

if (argc == 4) {
if (argc >= 4) {
net = atoi(argv[1]);
eid = atoi(argv[2]) & 0xff;
argv += 2;
Expand All @@ -101,6 +101,12 @@ int main(int argc, char **argv)
for (int i = 0; i < event_count; i++) {
int event = atoi(argv[1+i]);

if (event < 0 || event > 255) {
fprintf(stderr,
"invalid AE number %d (must be 0-255)\n",
event);
return EXIT_FAILURE;
}
aem_config.enabled_map.enabled[event] = true;
}
} else {
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