From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ms-10.1blu.de (ms-10.1blu.de [178.254.4.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AE95264FA0; Thu, 19 Jun 2025 08:33:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.254.4.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750322037; cv=none; b=CuKQYqPRt8QAXn7vxMVYorMIvT3wKlct2cu3PBqiAVb75kgI4zzzxhNOdi4id+aFqATPyGVvha6Ir3Ry1bZJE9QeGhO+E3jDOvzxyzDVRkX4Ff6Pi5539AhsN57H2rCt/cZkVYxjG3ShSDXKlqJZFhrvIPkL6KIXIm33Md310Tk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750322037; c=relaxed/simple; bh=TnutbrdDTFqTAJdAvKwHWum+J/G3rqx1TRNz/WW3H2Y=; h=Message-ID:Subject:From:To:Date:In-Reply-To:References: Content-Type:MIME-Version; b=Wn99mo7P7ceOXtFHpDMfh/pd/aMprkRDkdbOr+W5l6zkNy9nJsAF0OAPCwagPuzM4qWawl9prEsfvyJiprRiTqsWgKoMPw9GtSLE9ruUpzc/2SqZVuwD/QK2ilIgV4VonD3sAG5mMxwdaGSKNb+VxFXGXjCb8jtRSh/XFTBrLTc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mariuszachmann.de; spf=pass smtp.mailfrom=mariuszachmann.de; dkim=pass (2048-bit key) header.d=mariuszachmann.de header.i=@mariuszachmann.de header.b=WLJCOOYR; arc=none smtp.client-ip=178.254.4.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mariuszachmann.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mariuszachmann.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mariuszachmann.de header.i=@mariuszachmann.de header.b="WLJCOOYR" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mariuszachmann.de; s=blu6948523; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:To:From:Subject:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description; bh=TnutbrdDTFqTAJdAvKwHWum+J/G3rqx1TRNz/WW3H2Y=; b=WLJCOOYRm7iSJRk9HXjqVCxXYR AaWHMtSh72s4laQkbikG+qgF3XFSWKogmwQdmayXzLWQ3rAvFRiJAMryAoHX9ZTIxYLwD4moAnDTa GqH8DnhjcSzIwUGK92y+x5lhsH6DD1b8u1S4JxM3pX6/6eSvwmBwWe2zh61J4+ZmEqkYJLcyjcbD+ lLPmyjNc8drb59fiIWj7H6qSYCOrAdRUVUmh8rR7f7EthgjoGH/DRZwaYBQdxESYup2cU9SZQ8/yp h6PKBQri2i7hZdd2mPFp0aC3rNp1kh166NemSdmYpaL/F7CtVt2Fqj8DTp/vs89orm+bqE1OL1x6J 1q2Sr+Pg==; Received: from [2.211.115.98] (helo=[192.168.178.20]) by ms-10.1blu.de with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1uSAD3-002afl-IQ; Thu, 19 Jun 2025 10:01:21 +0200 Message-ID: Subject: Re: [syzbot] [hwmon?] KMSAN: uninit-value in get_temp_cnct From: Marius Zachmann To: Guenter Roeck , syzbot , jdelvare@suse.com, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Date: Thu, 19 Jun 2025 10:01:21 +0200 In-Reply-To: <145b2916-830b-4654-84e6-3d5c356c6283@roeck-us.net> References: <685392a0.050a0220.216029.0168.GAE@google.com> <145b2916-830b-4654-84e6-3d5c356c6283@roeck-us.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Con-Id: 241080 X-Con-U: 0-mail Am Mittwoch, dem 18.06.2025 um 22:56 -0700 schrieb Guenter Roeck: > On 6/18/25 21:31, syzbot wrote: > > Hello, > >=20 > > syzbot found the following issue on: > >=20 > > HEAD commit:=C2=A0=C2=A0=C2=A0 4774cfe3543a Merge tag 'scsi-fixes' of > > git://git.kernel.or.. > > git tree:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 upstream > > console output: > > https://syzkaller.appspot.com/x/log.txt?x=3D10e3f10c580000 > > kernel config:=C2=A0 > > https://syzkaller.appspot.com/x/.config?x=3D61539536677af51c > > dashboard link: > > https://syzkaller.appspot.com/bug?extid=3D3bbbade4e1a7ab45ca3b > > compiler:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Debian clang version 20.1= .6 > > (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian > > LLD 20.1.6 > > userspace arch: i386 > >=20 > > Unfortunately, I don't have any reproducer for this issue yet. > >=20 >=20 > It doesn't need one: The problem will be seen if the data returned > from the > power supply is shorter than expected. In the example below, the > problem will > be seen if less than NUM_TEMP_SENSORS+1 data bytes were received. > One possible fix would be to record the returned data length in > ccp_raw_event() > and to have each caller of send_usb_cmd() check if the returned > amount of data > is sufficient. >=20 > Guenter The device should always return the same number of bytes. I could zero-initialize the buffer at allocation. Then there should be no uninitialized values. Also I could check the number of returned bytes in send_usb_cmd() instead of having each caller checking it, and return -EIO if it is not correct? Marius >=20 > > Downloadable assets: > > disk image: > > https://storage.googleapis.com/syzbot-assets/0cb38ba04f99/disk-4774cfe3= .raw.xz > > vmlinux: > > https://storage.googleapis.com/syzbot-assets/ff376a7ba200/vmlinux-4774c= fe3.xz > > kernel image: > > https://storage.googleapis.com/syzbot-assets/570051315dbf/bzImage-4774c= fe3.xz > >=20 > > IMPORTANT: if you fix the issue, please add the following tag to > > the commit: > > Reported-by: syzbot+3bbbade4e1a7ab45ca3b@syzkaller.appspotmail.com > >=20 > > usb 7-1: New USB device strings: Mfr=3D0, Product=3D0, SerialNumber=3D0 > > usb 7-1: config 0 descriptor?? > > corsair-cpro 0003:1B1C:0C10.0017: hidraw0: USB HID v4.06 Device > > [HID 1b1c:0c10] on usb-dummy_hcd.6-1/input0 > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D > > BUG: KMSAN: uninit-value in get_temp_cnct+0x1f3/0x3b0 > > drivers/hwmon/corsair-cpro.c:497 > > =C2=A0 get_temp_cnct+0x1f3/0x3b0 drivers/hwmon/corsair-cpro.c:497 > > =C2=A0 ccp_probe+0x458/0x790 drivers/hwmon/corsair-cpro.c:622 > > =C2=A0 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] > > =C2=A0 hid_device_probe+0x539/0xab0 drivers/hid/hid-core.c:2761 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 hid_add_device+0x5ed/0x7b0 drivers/hid/hid-core.c:2907 > > =C2=A0 usbhid_probe+0x1fec/0x2660 drivers/hid/usbhid/hid-core.c:1435 > > =C2=A0 usb_probe_interface+0xd04/0x1310 drivers/usb/core/driver.c:396 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_set_configuration+0x3493/0x3b70 > > drivers/usb/core/message.c:2210 > > =C2=A0 usb_generic_driver_probe+0xfc/0x290 > > drivers/usb/core/generic.c:250 > > =C2=A0 usb_probe_device+0x38a/0x690 drivers/usb/core/driver.c:291 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_new_device+0x104b/0x20c0 drivers/usb/core/hub.c:2663 > > =C2=A0 hub_port_connect drivers/usb/core/hub.c:5535 [inline] > > =C2=A0 hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] > > =C2=A0 port_event drivers/usb/core/hub.c:5835 [inline] > > =C2=A0 hub_event+0x5588/0x7580 drivers/usb/core/hub.c:5917 > > =C2=A0 process_one_work kernel/workqueue.c:3238 [inline] > > =C2=A0 process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3321 > > =C2=A0 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402 > > =C2=A0 kthread+0xd5c/0xf00 kernel/kthread.c:464 > > =C2=A0 ret_from_fork+0x1e0/0x310 arch/x86/kernel/process.c:148 > > =C2=A0 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 > >=20 > > Uninit was stored to memory at: > > =C2=A0 get_temp_cnct+0x1ec/0x3b0 drivers/hwmon/corsair-cpro.c:496 > > =C2=A0 ccp_probe+0x458/0x790 drivers/hwmon/corsair-cpro.c:622 > > =C2=A0 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] > > =C2=A0 hid_device_probe+0x539/0xab0 drivers/hid/hid-core.c:2761 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 hid_add_device+0x5ed/0x7b0 drivers/hid/hid-core.c:2907 > > =C2=A0 usbhid_probe+0x1fec/0x2660 drivers/hid/usbhid/hid-core.c:1435 > > =C2=A0 usb_probe_interface+0xd04/0x1310 drivers/usb/core/driver.c:396 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_set_configuration+0x3493/0x3b70 > > drivers/usb/core/message.c:2210 > > =C2=A0 usb_generic_driver_probe+0xfc/0x290 > > drivers/usb/core/generic.c:250 > > =C2=A0 usb_probe_device+0x38a/0x690 drivers/usb/core/driver.c:291 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_new_device+0x104b/0x20c0 drivers/usb/core/hub.c:2663 > > =C2=A0 hub_port_connect drivers/usb/core/hub.c:5535 [inline] > > =C2=A0 hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] > > =C2=A0 port_event drivers/usb/core/hub.c:5835 [inline] > > =C2=A0 hub_event+0x5588/0x7580 drivers/usb/core/hub.c:5917 > > =C2=A0 process_one_work kernel/workqueue.c:3238 [inline] > > =C2=A0 process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3321 > > =C2=A0 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402 > > =C2=A0 kthread+0xd5c/0xf00 kernel/kthread.c:464 > > =C2=A0 ret_from_fork+0x1e0/0x310 arch/x86/kernel/process.c:148 > > =C2=A0 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 > >=20 > > Uninit was created at: > > =C2=A0 slab_post_alloc_hook mm/slub.c:4154 [inline] > > =C2=A0 slab_alloc_node mm/slub.c:4197 [inline] > > =C2=A0 __do_kmalloc_node mm/slub.c:4327 [inline] > > =C2=A0 __kmalloc_node_track_caller_noprof+0x96d/0x12f0 mm/slub.c:4347 > > =C2=A0 alloc_dr drivers/base/devres.c:119 [inline] > > =C2=A0 devm_kmalloc+0xd7/0x2f0 drivers/base/devres.c:864 > > =C2=A0 ccp_probe+0x114/0x790 drivers/hwmon/corsair-cpro.c:596 > > =C2=A0 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] > > =C2=A0 hid_device_probe+0x539/0xab0 drivers/hid/hid-core.c:2761 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 hid_add_device+0x5ed/0x7b0 drivers/hid/hid-core.c:2907 > > =C2=A0 usbhid_probe+0x1fec/0x2660 drivers/hid/usbhid/hid-core.c:1435 > > =C2=A0 usb_probe_interface+0xd04/0x1310 drivers/usb/core/driver.c:396 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_set_configuration+0x3493/0x3b70 > > drivers/usb/core/message.c:2210 > > =C2=A0 usb_generic_driver_probe+0xfc/0x290 > > drivers/usb/core/generic.c:250 > > =C2=A0 usb_probe_device+0x38a/0x690 drivers/usb/core/driver.c:291 > > =C2=A0 call_driver_probe drivers/base/dd.c:-1 [inline] > > =C2=A0 really_probe+0x4d4/0xd90 drivers/base/dd.c:657 > > =C2=A0 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 > > =C2=A0 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 > > =C2=A0 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 > > =C2=A0 bus_for_each_drv+0x3e0/0x680 drivers/base/bus.c:462 > > =C2=A0 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 > > =C2=A0 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 > > =C2=A0 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 > > =C2=A0 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 > > =C2=A0 usb_new_device+0x104b/0x20c0 drivers/usb/core/hub.c:2663 > > =C2=A0 hub_port_connect drivers/usb/core/hub.c:5535 [inline] > > =C2=A0 hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] > > =C2=A0 port_event drivers/usb/core/hub.c:5835 [inline] > > =C2=A0 hub_event+0x5588/0x7580 drivers/usb/core/hub.c:5917 > > =C2=A0 process_one_work kernel/workqueue.c:3238 [inline] > > =C2=A0 process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3321 > > =C2=A0 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402 > > =C2=A0 kthread+0xd5c/0xf00 kernel/kthread.c:464 > > =C2=A0 ret_from_fork+0x1e0/0x310 arch/x86/kernel/process.c:148 > > =C2=A0 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 > >=20 > > CPU: 0 UID: 0 PID: 5855 Comm: kworker/0:3 Not tainted 6.16.0-rc1- > > syzkaller-00203-g4774cfe3543a #0 PREEMPT(undef) > > Hardware name: Google Google Compute Engine/Google Compute Engine, > > BIOS Google 05/07/2025 > > Workqueue: usb_hub_wq hub_event > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D > >=20 > >=20 > > --- > > This report is generated by a bot. It may contain errors. > > See https://goo.gl/tpsmEJ=C2=A0for more information about syzbot. > > syzbot engineers can be reached at syzkaller@googlegroups.com. > >=20 > > syzbot will keep track of this issue. See: > > https://goo.gl/tpsmEJ#status=C2=A0for how to communicate with syzbot. > >=20 > > If the report is already addressed, let syzbot know by replying > > with: > > #syz fix: exact-commit-title > >=20 > > If you want to overwrite report's subsystems, reply with: > > #syz set subsystems: new-subsystem > > (See the list of subsystem names on the web dashboard) > >=20 > > If the report is a duplicate of another one, reply with: > > #syz dup: exact-subject-of-another-report > >=20 > > If you want to undo deduplication, reply with: > > #syz undup