[PATCH BlueZ 0/1] Fix buffer overflow in sdp_xml_parse_uuid128

[Oliver Chang <ochang@xxxxxxxxxx>]

This fixes a buffer overflow found by OSS-Fuzz. The ASan stacktrace for
this is:

```
=================================================================
==402==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7c960dd00030 at pc 0x59331ced5b8d bp 0x7fffedcc0c50 sp 0x7fffedcc0c48
WRITE of size 1 at 0x7c960dd00030 thread T0
    #0 0x59331ced5b8c in sdp_xml_parse_uuid128 bluez/src/sdp-xml.c:128:17
    #1 0x59331ced5b8c in sdp_xml_parse_uuid bluez/src/sdp-xml.c:146:9
    #2 0x59331ced3529 in sdp_xml_parse_datatype bluez/src/sdp-xml.c:428:10
    #3 0x59331ced3529 in element_start bluez/src/sdp-xml.c:498:32
    #4 0x59331cf26628 in emit_start_element glib/glib/gmarkup.c:1010:5
    #5 0x59331cf258d7 in g_markup_parse_context_parse glib/glib/gmarkup.c:1369:17
    #6 0x59331ced1969 in sdp_xml_parse_record bluez/src/sdp-xml.c:621:6
    #7 0x59331ced8cc9 in LLVMFuzzerTestOneInput /src/fuzz_xml.c:30:9
    #8 0x59331ced1879 in ExecuteFilesOnyByOne /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:255:7
    #9 0x59331ced1675 in LLVMFuzzerRunDriver /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:0
    #10 0x59331ced122d in main /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:311:10
    #11 0x7c961015c082 in __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/libc-start.c:308:16
    #12 0x59331cdf8a2d in _start
```

Oliver Chang (1):
  Fix buffer overflow in sdp_xml_parse_uuid128

 src/sdp-xml.c | 6 ++++++
 1 file changed, 6 insertions(+)

-- 
2.50.1.703.g449372360f-goog