memory leak in dvb_usb_device_init

Status: fixed on 2023/02/24 13:50
Subsystems: media usb
[Documentation on labels]
Reported-by: syzbot+f66dd31987e6740657be@syzkaller.appspotmail.com
Fix commit: 94d90fb06b94 media: dvb-usb: fix memory leak in dvb_usb_adapter_init()
First crash: 1524d, last: 1350d
▶ ▼ Discussions (12)
Title Replies (including bot) Last reply
[PATCH AUTOSEL 6.0 01/73] drm/etnaviv: add missing quirks for GC300 75 (75) 2022/12/24 00:35
[PATCH AUTOSEL 5.15 01/46] drm/etnaviv: add missing quirks for GC300 48 (48) 2022/12/24 00:29
[PATCH AUTOSEL 6.1 01/85] drm/etnaviv: add missing quirks for GC300 86 (86) 2022/12/19 01:08
[PATCH AUTOSEL 4.9 01/20] wifi: ath9k: verify the expected usb_endpoints are present 20 (20) 2022/12/18 16:23
[PATCH AUTOSEL 4.14 01/23] wifi: ath9k: verify the expected usb_endpoints are present 23 (23) 2022/12/18 16:21
[PATCH AUTOSEL 4.19 01/26] wifi: ath9k: verify the expected usb_endpoints are present 26 (26) 2022/12/18 16:20
[PATCH AUTOSEL 5.4 01/30] drm/etnaviv: add missing quirks for GC300 30 (30) 2022/12/18 16:18
[PATCH AUTOSEL 5.10 01/39] drm/etnaviv: add missing quirks for GC300 39 (39) 2022/12/18 16:15
[PATCH v3] media: dvb-usb: fix memory leak in dvb_usb_adapter_init() 1 (1) 2022/08/24 01:21
[PATCH v2] media: dvb-usb: fix memory leak in dvb_usb_adapter_init() 4 (4) 2022/08/05 06:39
[RFC PATCH] media: dvb-usb: fix memory leak in dvb_usb_adapter_init() 1 (1) 2022/06/26 01:44
[syzbot] memory leak in dvb_usb_device_init 0 (1) 2022/05/24 22:40
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2022/11/10 21:30 9m retest repro upstream report log
2022/08/18 16:04 13m mazinalhaddad05@gmail.com patch upstream OK log
2022/08/15 10:56 14m mazinalhaddad05@gmail.com patch upstream error
2022/08/14 02:17 14m mazinalhaddad05@gmail.com patch upstream error

Sample crash report:
BUG: memory leak
unreferenced object 0xffff8881172f1a00 (size 512):
  comm "kworker/0:2", pid 139, jiffies 4294994873 (age 10.960s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff844af012>] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:75 [inline]
    [<ffffffff844af012>] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline]
    [<ffffffff844af012>] dvb_usb_device_init.cold+0x4e5/0x79e drivers/media/usb/dvb-usb/dvb-usb-init.c:308
    [<ffffffff830db21d>] dib0700_probe+0x8d/0x1b0 drivers/media/usb/dvb-usb/dib0700_core.c:883
    [<ffffffff82d3fdc7>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<ffffffff8274ab37>] call_driver_probe drivers/base/dd.c:542 [inline]
    [<ffffffff8274ab37>] really_probe.part.0+0xe7/0x310 drivers/base/dd.c:621
    [<ffffffff8274ae6c>] really_probe drivers/base/dd.c:583 [inline]
    [<ffffffff8274ae6c>] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:752
    [<ffffffff8274af6a>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:782
    [<ffffffff8274b786>] __device_attach_driver+0xf6/0x140 drivers/base/dd.c:899
    [<ffffffff82747c87>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427
    [<ffffffff8274b352>] __device_attach+0x122/0x260 drivers/base/dd.c:970
    [<ffffffff827498f6>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487
    [<ffffffff82745cdb>] device_add+0x5fb/0xdf0 drivers/base/core.c:3405
    [<ffffffff82d3d202>] usb_set_configuration+0x8f2/0xb80 drivers/usb/core/message.c:2170
    [<ffffffff82d4dbfc>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<ffffffff82d3f49c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<ffffffff8274ab37>] call_driver_probe drivers/base/dd.c:542 [inline]
    [<ffffffff8274ab37>] really_probe.part.0+0xe7/0x310 drivers/base/dd.c:621
    [<ffffffff8274ae6c>] really_probe drivers/base/dd.c:583 [inline]
    [<ffffffff8274ae6c>] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:752

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/05/20 22:30 upstream 3d7285a335ed bd37ad7e .config console log report syz ci-upstream-gce-leak memory leak in dvb_usb_device_init
* Struck through repros no longer work on HEAD.