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KMSAN: uninit-value in mii_nway_restart

Status: upstream: reported C repro on 2019/06/04 10:32
Reported-by: syzbot+1f53a30781af65d2c955@syzkaller.appspotmail.com
First crash: 1212d, last: 16h35m
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/20 16:36 19m anant.thazhemadam@gmail.com https://github.com/google/kmsan.git master OK

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in mii_nway_restart+0x117/0x1d0 drivers/net/mii.c:465
 mii_nway_restart+0x117/0x1d0 drivers/net/mii.c:465
 dm9601_bind+0xa17/0xb50 drivers/net/usb/dm9601.c:431
 usbnet_probe+0xebb/0x3cc0 drivers/net/usb/usbnet.c:1747
 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396
 really_probe+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 usb_set_configuration+0x30f8/0x37e0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x105/0x290 drivers/usb/core/generic.c:238
 usb_probe_device+0x288/0x490 drivers/usb/core/driver.c:293
 really_probe+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 usb_new_device+0x17a1/0x2360 drivers/usb/core/hub.c:2566
 hub_port_connect drivers/usb/core/hub.c:5363 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0x5559/0x8050 drivers/usb/core/hub.c:5745
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Local variable res created at:
 dm9601_mdio_read+0x49/0xf0 drivers/net/usb/dm9601.c:226
 mii_nway_restart+0x84/0x1d0 drivers/net/mii.c:463

CPU: 0 PID: 28 Comm: kworker/0:1 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: usb_hub_wq hub_event
=====================================================

Crashes (460):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2022/08/09 23:19 https://github.com/google/kmsan.git master 1b070a5d1a2c c2a623d6 .config log report syz C KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2019/08/12 00:31 https://github.com/google/kmsan.git master 61ccdad1fcdf acb51638 .config log report syz C
ci-upstream-kmsan-gce 2019/08/11 10:37 https://github.com/google/kmsan.git master 61ccdad1fcdf acb51638 .config log report syz C
ci-upstream-kmsan-gce 2019/08/09 17:23 https://github.com/google/kmsan.git master 61ccdad1fcdf ede31a9b .config log report syz C
ci-upstream-kmsan-gce 2019/07/28 02:28 https://github.com/google/kmsan.git master beaab8a31e0d c85e1c5b .config log report syz C
ci-upstream-kmsan-gce 2019/07/02 09:57 https://github.com/google/kmsan.git master 41550654dedf cccc4302 .config log report syz C
ci-upstream-kmsan-gce 2019/06/04 08:56 https://github.com/google/kmsan.git master f75e4cfea97f ce07a7ae .config log report syz C
ci-upstream-kmsan-gce 2022/09/28 02:46 https://github.com/google/kmsan.git master 466a27efa4f0 75c78242 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/27 22:13 https://github.com/google/kmsan.git master 466a27efa4f0 87840e00 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/27 20:45 https://github.com/google/kmsan.git master 466a27efa4f0 87840e00 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/27 05:58 https://github.com/google/kmsan.git master 523d2ce66d07 10323ddf .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/26 13:14 https://github.com/google/kmsan.git master 523d2ce66d07 d59ba983 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/26 11:14 https://github.com/google/kmsan.git master 523d2ce66d07 d59ba983 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/26 05:54 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/26 02:29 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 21:54 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 16:40 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 16:22 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 15:13 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 14:12 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 07:10 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 06:02 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 02:49 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/25 01:15 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 23:36 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 22:34 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 20:02 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 18:48 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 17:40 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 17:18 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 14:00 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 07:35 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 05:24 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 03:49 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/24 02:31 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 20:46 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 17:03 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 14:56 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 13:13 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 08:44 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 02:00 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/23 00:35 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/22 22:40 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/22 21:11 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/22 17:56 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/22 17:37 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/22 00:44 https://github.com/google/kmsan.git master 523d2ce66d07 60af5050 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/21 07:11 https://github.com/google/kmsan.git master 523d2ce66d07 c4b8ccfd .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 18:03 https://github.com/google/kmsan.git master 523d2ce66d07 7c41a9ba .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 15:28 https://github.com/google/kmsan.git master 523d2ce66d07 7c41a9ba .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 13:39 https://github.com/google/kmsan.git master 523d2ce66d07 7c41a9ba .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 06:50 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 04:43 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/20 02:54 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/19 17:41 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/19 15:20 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/19 11:03 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/09/19 05:45 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce-386 2022/09/23 04:39 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config log report info KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2019/10/28 14:47 https://github.com/google/kmsan.git master d86c15562d02 25bb509e .config log report
ci-upstream-kmsan-gce 2019/06/04 07:39 https://github.com/google/kmsan.git master f75e4cfea97f ce07a7ae .config log report
* Struck through repros no longer work on HEAD.