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synaptics-cxaudio: Fix a critical warning when parsing invalid firmware

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This commit is contained in:
Richard Hughes 2021-01-05 13:40:40 +00:00
parent 59b6b6d2c5
commit b2e97fb6b5
1 changed files with 7 additions and 0 deletions
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7
plugins/synaptics-cxaudio/fu-synaptics-cxaudio-firmware.c
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@ -155,6 +155,13 @@ fu_synaptics_cxaudio_firmware_parse (FuFirmware *firmware,
continue;
if (rcd->addr > FU_SYNAPTICS_CXAUDIO_EEPROM_SHADOW_SIZE)
continue;
if (rcd->buf->len == 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"record 0x%x had zero size", i);
return FALSE;
}
if (!fu_memcpy_safe (shadow, FU_SYNAPTICS_CXAUDIO_EEPROM_SHADOW_SIZE, rcd->addr, /* dst */
rcd->buf->data, rcd->buf->len, 0x0, /* src */
rcd->buf->len, error))