memory leak in __usbhid_submit

memory leak in __usbhid_submit_report
Status: upstream: reported C repro on 2020/11/11 13:55
Reported-by: syzbot+47b26cd837ececfc666d@syzkaller.appspotmail.com
First crash: 24d, last: 1d15h

Sample crash report:

BUG: memory leak
unreferenced object 0xffff88810d94c680 (size 32):
  comm "kworker/1:0", pid 17, jiffies 4294942196 (age 14.910s)
  hex dump (first 32 bytes):
    02 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:
    [<000000007f838f86>] __usbhid_submit_report+0x116/0x490 drivers/hid/usbhid/hid-core.c:588
    [<000000001cd62ed1>] usbhid_submit_report drivers/hid/usbhid/hid-core.c:638 [inline]
    [<000000001cd62ed1>] usbhid_request+0x59/0xa0 drivers/hid/usbhid/hid-core.c:1272
    [<00000000a98d63fd>] hidinput_led_worker+0x59/0x160 drivers/hid/hid-input.c:1510
    [<0000000092edc0fb>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
    [<000000003c8f2d0e>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
    [<00000000841dc6b6>] kthread+0x178/0x1b0 kernel/kthread.c:292
    [<0000000014a62f7a>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff888110615500 (size 32):
  comm "kworker/1:2", pid 3716, jiffies 4294942916 (age 7.710s)
  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:
    [<000000007f838f86>] __usbhid_submit_report+0x116/0x490 drivers/hid/usbhid/hid-core.c:588
    [<000000001cd62ed1>] usbhid_submit_report drivers/hid/usbhid/hid-core.c:638 [inline]
    [<000000001cd62ed1>] usbhid_request+0x59/0xa0 drivers/hid/usbhid/hid-core.c:1272
    [<00000000a98d63fd>] hidinput_led_worker+0x59/0x160 drivers/hid/hid-input.c:1510
    [<0000000092edc0fb>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
    [<000000003c8f2d0e>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
    [<00000000841dc6b6>] kthread+0x178/0x1b0 kernel/kthread.c:292
    [<0000000014a62f7a>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Crashes (11):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Maintainers
ci-upstream-gce-leak	2020/12/02 07:19	upstream	509a1542	c42a35e9	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/12/02 02:27	upstream	b6505459	07bfe8a5	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/26 11:42	upstream	fa02fcd9	2f1cec62	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/25 01:27	upstream	80145ac2	e34b696c	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/20 16:16	upstream	4d02da97	740ff461	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/20 08:11	upstream	3494d588	0767f13f	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/17 03:15	upstream	9c87c9f4	1bf9a662	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/14 20:25	upstream	f01c30de	1bf9a662	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/12 13:15	upstream	3d5e28bf	77a55c8e	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/11 23:03	upstream	eccc8767	cca87986	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-gce-leak	2020/11/09 22:38	upstream	f8394f23	64069d48	.config	log	report	syz	C	benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org