Message ID | 20240329154000.6056-2-vlad.pruteanu@nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | bap: Remove entry of deleted device from bcast_pa_requests queue | expand |
Context | Check | Description |
---|---|---|
tedd_an/pre-ci_am | success | Success |
tedd_an/CheckPatch | success | CheckPatch PASS |
tedd_an/GitLint | success | Gitlint PASS |
tedd_an/BuildEll | success | Build ELL PASS |
tedd_an/BluezMake | success | Bluez Make PASS |
tedd_an/MakeCheck | success | Bluez Make Check PASS |
tedd_an/MakeDistcheck | success | Make Distcheck PASS |
tedd_an/CheckValgrind | success | Check Valgrind PASS |
tedd_an/CheckSmatch | success | CheckSparse PASS |
tedd_an/bluezmakeextell | success | Make External ELL PASS |
tedd_an/IncrementalBuild | success | Incremental Build PASS |
tedd_an/ScanBuild | success | Scan Build PASS |
Hi Vlad, On Fri, Mar 29, 2024 at 11:40 AM Vlad Pruteanu <vlad.pruteanu@nxp.com> wrote: > > Currently if Broadcast Source device is removed it's entry in > bcast_pa_requests remains active. Thus, if the removal is done before > short_lived_pa_sync is called, crashes such as the one listed below > can occur. This patch fixes this by removing the deleted devices > from the queue mentioned above. Actually we need to redesign these, the list should be per adapter, not global as it is currently and we probably should stop doing the enumeration if the user stop scanning. > ==105052==ERROR: AddressSanitizer: heap-use-after-free on address > 0x60400001c418 at pc 0x55775caf1846 bp 0x7ffc83d9fb90 sp 0x7ffc83d9fb80 > READ of size 8 at 0x60400001c418 thread T0 > 0 0x55775caf1845 in btd_service_get_device src/service.c:325 > 1 0x55775ca03da2 in short_lived_pa_sync profiles/audio/bap.c:2693 > 2 0x55775ca03da2 in pa_idle_timer profiles/audio/bap.c:1996 > --- > profiles/audio/bap.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/profiles/audio/bap.c b/profiles/audio/bap.c > index 52a9f5e00..8953e9a57 100644 > --- a/profiles/audio/bap.c > +++ b/profiles/audio/bap.c > @@ -2907,12 +2907,23 @@ static int bap_bcast_probe(struct btd_service *service) > return 0; > } > > +static bool remove_service(const void *data, const void *match_data) > +{ > + struct bap_bcast_pa_req *pa_req = (struct bap_bcast_pa_req *)data; > + > + if (pa_req->type == BAP_PA_SHORT_REQ && > + pa_req->data.service == match_data) > + return true; > + return false; > +} > + > static void bap_bcast_remove(struct btd_service *service) > { > struct btd_device *device = btd_service_get_device(service); > struct bap_data *data; > char addr[18]; > > + queue_remove_if(bcast_pa_requests, remove_service, service); > ba2str(device_get_address(device), addr); > DBG("%s", addr); > > -- > 2.39.2 >
This is automated email and please do not reply to this email! Dear submitter, Thank you for submitting the patches to the linux bluetooth mailing list. This is a CI test results with your patch series: PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=839813 ---Test result--- Test Summary: CheckPatch PASS 0.46 seconds GitLint PASS 0.33 seconds BuildEll PASS 24.86 seconds BluezMake PASS 1704.97 seconds MakeCheck PASS 13.69 seconds MakeDistcheck PASS 179.83 seconds CheckValgrind PASS 250.94 seconds CheckSmatch PASS 359.17 seconds bluezmakeextell PASS 121.78 seconds IncrementalBuild PASS 1491.25 seconds ScanBuild PASS 1022.71 seconds --- Regards, Linux Bluetooth
diff --git a/profiles/audio/bap.c b/profiles/audio/bap.c index 52a9f5e00..8953e9a57 100644 --- a/profiles/audio/bap.c +++ b/profiles/audio/bap.c @@ -2907,12 +2907,23 @@ static int bap_bcast_probe(struct btd_service *service) return 0; } +static bool remove_service(const void *data, const void *match_data) +{ + struct bap_bcast_pa_req *pa_req = (struct bap_bcast_pa_req *)data; + + if (pa_req->type == BAP_PA_SHORT_REQ && + pa_req->data.service == match_data) + return true; + return false; +} + static void bap_bcast_remove(struct btd_service *service) { struct btd_device *device = btd_service_get_device(service); struct bap_data *data; char addr[18]; + queue_remove_if(bcast_pa_requests, remove_service, service); ba2str(device_get_address(device), addr); DBG("%s", addr);