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@ -3238,10 +3238,11 @@ ex:
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void mmc_get_configuration(struct burn_drive *d)
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{
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int alloc_len = 8, ret;
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char *msg = NULL;
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mmc_start_if_needed(d, 1);
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if (mmc_function_spy(d, "mmc_get_configuration") <= 0)
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return;
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goto ex;
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/* first command execution to learn Allocation Length */
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ret = mmc_get_configuration_al(d, &alloc_len);
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@ -3249,9 +3250,23 @@ void mmc_get_configuration(struct burn_drive *d)
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fprintf(stderr,"LIBBURN_DEBUG: 46h alloc_len = %d , ret = %d\n",
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alloc_len, ret);
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*/
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if (alloc_len > 8 && ret > 0)
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if (alloc_len > 8 && ret > 0) {
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if (alloc_len > 4096) {
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/* MMC-5 6.6.2.1: The maximum is less than 1 KB */
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BURN_ALLOC_MEM(msg, char, 256);
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sprintf(msg, "Implausible lenght announcement from SCSI command GET CONFIGURATION: %d", alloc_len);
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libdax_msgs_submit(libdax_messenger, d->global_index, 0x000201a9,
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LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_ZERO,
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msg, 0, 0);
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goto ex;
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}
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/* second execution with announced length */
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mmc_get_configuration_al(d, &alloc_len);
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}
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ex:;
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BURN_FREE_MEM(msg);
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}
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