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bluez5: sco-source: deal with incomplete CVSD frames

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Rarely BT adapter may send CVSD packets with incomplete frames.  Ignore
such packets, as it's not clear if they contain valid data at all.
This commit is contained in:
Pauli Virtanen 2022-08-04 19:31:39 +03:00 • committed by Wim Taymans
parent 54b499b1cf
commit 8f0478a2ce
1 changed files with 9 additions and 0 deletions
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9
spa/plugins/bluez5/sco-source.c
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@ -542,6 +542,15 @@ static int sco_source_cb(void *userdata, uint8_t *read_data, int size_read)
return 0;
}
if (size_read % port->frame_size != 0) {
/* Unaligned data: reception or adapter problem.
* Consider the whole packet lost and report.
*/
spa_log_debug(this->log,
"received bad Bluetooth SCO CVSD packet");
return 0;
}
packet = spa_bt_decode_buffer_get_write(&port->buffer, &avail);
avail = SPA_MIN(avail, (uint32_t)size_read);
spa_memmove(packet, read_data, avail);