* [bluez/bluez] ab6c9f: emulator: btdev: fix inquiry_timeout() inquiry des...
@ 2026-09-03 21:05 Pauli Virtanen
0 siblings, 0 replies; only message in thread
From: Pauli Virtanen @ 2026-09-03 21:05 UTC (permalink / raw)
To: linux-bluetooth
Branch: refs/heads/1157383
Home: https://github.com/bluez/bluez
Commit: ab6c9f110d1d52a7b2f4cf5edc725b3b3ed876c2
https://github.com/bluez/bluez/commit/ab6c9f110d1d52a7b2f4cf5edc725b3b3ed876c2
Author: Pauli Virtanen <pav@iki.fi>
Date: 2026-09-03 (Thu, 03 Sep 2026)
Changed paths:
M emulator/btdev.c
Log Message:
-----------
emulator: btdev: fix inquiry_timeout() inquiry destroy
inquiry_timeout() removes inquiry_id callback, whose destroy removes
inquiry_timeout_id callback. Doing this from the callback itself frees
timeout-mainloop.c timeout data under it, leading to crash.
Fix by setting btdev->inquiry_timeout_id = 0 first to avoid the early
free.
Fixes ERROR: AddressSanitizer: heap-use-after-free
READ of size 4 at 0x7b9d9cfe0310 thread T0
#0 0x00000049ebbe in timeout_callback src/shared/timeout-mainloop.c:33
#1 0x00000049f270 in timeout_callback src/shared/mainloop.c:245
#2 0x00000049fbbb in mainloop_run src/shared/mainloop.c:104
#3 0x0000004a286f in mainloop_run_with_signal src/shared/mainloop-notify.c:196
#4 0x000000402a66 in main emulator/main.c:261
freed by thread T0 here:
#0 0x7f7a5e6ee4cf in free.part.0 (/lib64/libasan.so.8+0xee4cf)
#1 0x00000049f591 in timeout_destroy src/shared/mainloop.c:226
previously allocated by thread T0 here:
#0 0x7f7a5e6ef41f in malloc (/lib64/libasan.so.8+0xef41f)
#1 0x00000049158a in util_malloc src/shared/util.c:46
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