memory leak in snd_ctl_led

Title	Replies (including bot)	Last reply
[PATCH v2] ALSA: control led: fix memory leak in snd_ctl_led_register	4 (4)	2021/06/02 06:59
[PATCH] ALSA: control led: fix memory leak in snd_ctl_led_register	27 (27)	2021/06/01 15:52
[syzbot] memory leak in snd_ctl_led_register	0 (1)	2021/05/17 08:52

Title

Replies (including bot)

Last reply

[PATCH v2] ALSA: control led: fix memory leak in snd_ctl_led_register

4 (4)

2021/06/02 06:59

[PATCH] ALSA: control led: fix memory leak in snd_ctl_led_register

27 (27)

2021/06/01 15:52

[syzbot] memory leak in snd_ctl_led_register

0 (1)

2021/05/17 08:52


Created	Duration	User	Patch	Repo	Result
2021/05/28 10:45	16m	mudongliangabcd@gmail.com		https://github.com/mudongliang/linux 94201c8f1b3d9efd927a783b8d949b4be0bd4892	OK
2021/05/25 06:06	9m	mudongliangabcd@gmail.com		https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	report log

BUG: memory leak unreferenced object 0xffff888113a0ca00 (size 256): comm "kworker/1:1", pid 35, jiffies 4294942586 (age 13.780s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 ca a0 13 81 88 ff ff ................ 08 ca a0 13 81 88 ff ff a0 5c 60 82 ff ff ff ff .........\`..... backtrace: [<ffffffff8260b58c>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff8260b58c>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff8260b58c>] device_private_init drivers/base/core.c:3161 [inline] [<ffffffff8260b58c>] device_add+0x85c/0xd70 drivers/base/core.c:3211 [<ffffffff8356aaef>] snd_ctl_led_sysfs_add sound/core/control_led.c:670 [inline] [<ffffffff8356aaef>] snd_ctl_led_register+0x1af/0x2f0 sound/core/control_led.c:361 [<ffffffff8355e0a8>] snd_ctl_dev_register+0x78/0xb0 sound/core/control.c:2156 [<ffffffff83563fab>] __snd_device_register sound/core/device.c:149 [inline] [<ffffffff83563fab>] __snd_device_register sound/core/device.c:145 [inline] [<ffffffff83563fab>] snd_device_register_all+0x7b/0xd0 sound/core/device.c:197 [<ffffffff8355ccc0>] snd_card_register+0x90/0x2b0 sound/core/init.c:773 [<ffffffff83648737>] usX2Y_usb_probe sound/usb/usx2y/usbusx2y.c:382 [inline] [<ffffffff83648737>] snd_usX2Y_probe+0x277/0x2f0 sound/usb/usx2y/usbusx2y.c:398 [<ffffffff82bcf687>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff82610359>] really_probe+0x159/0x500 drivers/base/dd.c:576 [<ffffffff8261078b>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [<ffffffff82610eb6>] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [<ffffffff8260d247>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<ffffffff82610a32>] __device_attach+0x122/0x260 drivers/base/dd.c:938 [<ffffffff8260eee6>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<ffffffff8260b305>] device_add+0x5d5/0xd70 drivers/base/core.c:3319 [<ffffffff82bccc29>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<ffffffff82bdcfbc>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 BUG: memory leak unreferenced object 0xffff888113a0c900 (size 256): comm "kworker/1:1", pid 35, jiffies 4294942586 (age 13.780s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 c9 a0 13 81 88 ff ff ................ 08 c9 a0 13 81 88 ff ff a0 5c 60 82 ff ff ff ff .........\`..... backtrace: [<ffffffff8260b58c>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff8260b58c>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff8260b58c>] device_private_init drivers/base/core.c:3161 [inline] [<ffffffff8260b58c>] device_add+0x85c/0xd70 drivers/base/core.c:3211 [<ffffffff8356aaef>] snd_ctl_led_sysfs_add sound/core/control_led.c:670 [inline] [<ffffffff8356aaef>] snd_ctl_led_register+0x1af/0x2f0 sound/core/control_led.c:361 [<ffffffff8355e0a8>] snd_ctl_dev_register+0x78/0xb0 sound/core/control.c:2156 [<ffffffff83563fab>] __snd_device_register sound/core/device.c:149 [inline] [<ffffffff83563fab>] __snd_device_register sound/core/device.c:145 [inline] [<ffffffff83563fab>] snd_device_register_all+0x7b/0xd0 sound/core/device.c:197 [<ffffffff8355ccc0>] snd_card_register+0x90/0x2b0 sound/core/init.c:773 [<ffffffff83648737>] usX2Y_usb_probe sound/usb/usx2y/usbusx2y.c:382 [inline] [<ffffffff83648737>] snd_usX2Y_probe+0x277/0x2f0 sound/usb/usx2y/usbusx2y.c:398 [<ffffffff82bcf687>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff82610359>] really_probe+0x159/0x500 drivers/base/dd.c:576 [<ffffffff8261078b>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [<ffffffff82610eb6>] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [<ffffffff8260d247>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<ffffffff82610a32>] __device_attach+0x122/0x260 drivers/base/dd.c:938 [<ffffffff8260eee6>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<ffffffff8260b305>] device_add+0x5d5/0xd70 drivers/base/core.c:3319 [<ffffffff82bccc29>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<ffffffff82bdcfbc>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 BUG: memory leak unreferenced object 0xffff888112c771c0 (size 32): comm "kworker/1:1", pid 35, jiffies 4294943217 (age 7.470s) hex dump (first 32 bytes): 63 61 72 64 33 00 00 00 00 00 00 00 00 00 00 00 card3........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff82253d3c>] kvasprintf+0x6c/0xf0 lib/kasprintf.c:25 [<ffffffff82253e18>] kvasprintf_const+0x58/0x110 lib/kasprintf.c:49 [<ffffffff8231b16b>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [<ffffffff82605c03>] dev_set_name+0x63/0x90 drivers/base/core.c:3105 [<ffffffff8356aabe>] snd_ctl_led_sysfs_add sound/core/control_led.c:666 [inline] [<ffffffff8356aabe>] snd_ctl_led_register+0x17e/0x2f0 sound/core/control_led.c:361 [<ffffffff8355e0a8>] snd_ctl_dev_register+0x78/0xb0 sound/core/control.c:2156 [<ffffffff83563fab>] __snd_device_register sound/core/device.c:149 [inline] [<ffffffff83563fab>] __snd_device_register sound/core/device.c:145 [inline] [<ffffffff83563fab>] snd_device_register_all+0x7b/0xd0 sound/core/device.c:197 [<ffffffff8355ccc0>] snd_card_register+0x90/0x2b0 sound/core/init.c:773 [<ffffffff83648737>] usX2Y_usb_probe sound/usb/usx2y/usbusx2y.c:382 [inline] [<ffffffff83648737>] snd_usX2Y_probe+0x277/0x2f0 sound/usb/usx2y/usbusx2y.c:398 [<ffffffff82bcf687>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff82610359>] really_probe+0x159/0x500 drivers/base/dd.c:576 [<ffffffff8261078b>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [<ffffffff82610eb6>] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [<ffffffff8260d247>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<ffffffff82610a32>] __device_attach+0x122/0x260 drivers/base/dd.c:938 [<ffffffff8260eee6>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491