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openSUSE:Evergreen:11.1
xen
ioemu-dvd-structure-overflow.patch
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File ioemu-dvd-structure-overflow.patch of Package xen
Index: xen-3.3.1-testing/tools/ioemu-remote/hw/ide.c =================================================================== --- xen-3.3.1-testing.orig/tools/ioemu-remote/hw/ide.c +++ xen-3.3.1-testing/tools/ioemu-remote/hw/ide.c @@ -1942,8 +1942,19 @@ static void ide_atapi_cmd(IDEState *s) int media = packet[1]; int layer = packet[6]; int format = packet[2]; + int max_len = ube16_to_cpu(packet + 8); uint64_t total_sectors; + /* + * Avoid for overflow buffer in win2008 VDS.exe + * But IDE_DMA_BUF_SECTORS is too big, not use. + * At least on one SECTOR, less than 2k + */ + if (max_len < 512 + 4) + max_len = 512 + 4; + if (max_len > 2048 + 4) + max_len = 2048 + 4; + if (media != 0 || layer != 0) { ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, @@ -1973,7 +1984,7 @@ static void ide_atapi_cmd(IDEState *s) cpu_to_be16wu((uint16_t *)buf, 2048 + 4); - ide_atapi_cmd_reply(s, 2048 + 3, 2048 + 4); + ide_atapi_cmd_reply(s, 2048 + 4, max_len); break; default:
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