[bluez/bluez] e4df1f: bap: don't pass in stream's own metadata to enable()

[bluez/bluez] e4df1f: bap: don't pass in stream's own metadata to enable()

[Pauli Virtanen]

  Branch: refs/heads/974407
  Home:   https://github.com/bluez/bluez
  Commit: e4df1f543efa650f842fd89d3a6123428744c2f0
      https://github.com/bluez/bluez/commit/e4df1f543efa650f842fd89d3a6123428744c2f0
  Author: Pauli Virtanen <pav@iki.fi>
  Date:   2025-06-20 (Fri, 20 Jun 2025)

  Changed paths:
    M profiles/audio/transport.c

  Log Message:
  -----------
  bap: don't pass in stream's own metadata to enable()

Stream owned metadata pointers may be invalidated in bt_bap_stream
operations. Just pass in NULL to keep the current value.

Fixes:

ERROR: AddressSanitizer: heap-use-after-free
READ of size 8 at 0x7b86a76f5d18 thread T0
    #0 0x000000836745 in util_iov_dup src/shared/util.c:353
    #1 0x0000008ea96b in bap_stream_metadata src/shared/bap.c:1991
    #2 0x0000008ebfbe in bap_ucast_enable src/shared/bap.c:2072
    #3 0x0000009226e7 in bt_bap_stream_enable src/shared/bap.c:6392
    #4 0x00000044037d in transport_bap_resume profiles/audio/transport.c:1981
freed by thread T0 here:
    #0 0x7f66a92e5bcb in free.part.0 (/lib64/libasan.so.8+0xe5bcb)
    #1 0x000000837002 in util_iov_free src/shared/util.c:392
    #2 0x0000008ea94e in bap_stream_metadata src/shared/bap.c:1990
    #3 0x0000008ebfbe in bap_ucast_enable src/shared/bap.c:2072



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