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KMSAN: uninit-value in asix_mdio_read_nopm

Status: auto-closed as invalid on 2022/09/28 17:37
Subsystems: usb
[Documentation on labels]
First crash: 1348d, last: 742d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in ax88772a_hw_reset usb C 94 797d 886d 20/26 fixed on 2022/03/08 16:11
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2022/09/28 16:30 21m retest repro https://github.com/google/kmsan.git master OK log
2022/09/28 11:30 22m retest repro https://github.com/google/kmsan.git master OK log

Sample crash report:
asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71
asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access
asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71
=====================================================
BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:84 [inline]
BUG: KMSAN: uninit-value in asix_mdio_read_nopm+0x57b/0xa80 drivers/net/usb/asix_common.c:576
 asix_check_host_enable drivers/net/usb/asix_common.c:84 [inline]
 asix_mdio_read_nopm+0x57b/0xa80 drivers/net/usb/asix_common.c:576
 ax88772a_hw_reset+0x83c/0x12e0 drivers/net/usb/asix_devices.c:511
 ax88772_bind+0x750/0x1770 drivers/net/usb/asix_devices.c:762
 usbnet_probe+0x1251/0x4160 drivers/net/usb/usbnet.c:1747
 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396
 really_probe+0x653/0x14b0 drivers/base/dd.c:596
 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752
 driver_probe_device drivers/base/dd.c:782 [inline]
 __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899
 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427
 __device_attach+0x593/0x8e0 drivers/base/dd.c:970
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017
 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
 device_add+0x1fff/0x26e0 drivers/base/core.c:3405
 usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238
 usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293
 really_probe+0x653/0x14b0 drivers/base/dd.c:596
 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752
 driver_probe_device drivers/base/dd.c:782 [inline]
 __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899
 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427
 __device_attach+0x593/0x8e0 drivers/base/dd.c:970
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017
 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
 device_add+0x1fff/0x26e0 drivers/base/core.c:3405
 usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566
 hub_port_connect drivers/usb/core/hub.c:5358 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
 port_event drivers/usb/core/hub.c:5660 [inline]
 hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742
 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307
 process_scheduled_works kernel/workqueue.c:2370 [inline]
 worker_thread+0x172c/0x21e0 kernel/workqueue.c:2456
 kthread+0x3c7/0x500 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30

Local variable smsr.i created at:
 asix_mdio_read_nopm+0xb6/0xa80 drivers/net/usb/asix_common.c:576
 ax88772a_hw_reset+0x83c/0x12e0 drivers/net/usb/asix_devices.c:511

CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.17.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
=====================================================

Crashes (118):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/11 16:14 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2020/08/17 13:52 https://github.com/google/kmsan.git master ce8056d1f79e 424dd8e7 .config console log report syz C ci-upstream-kmsan-gce
2022/04/15 10:13 https://github.com/google/kmsan.git master 33d9269ef6e0 b17b2923 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/15 02:29 https://github.com/google/kmsan.git master 33d9269ef6e0 b17b2923 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/14 15:15 https://github.com/google/kmsan.git master 33d9269ef6e0 b17b2923 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/13 09:57 https://github.com/google/kmsan.git master 33d9269ef6e0 faabdb86 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/12 06:59 https://github.com/google/kmsan.git master 33d9269ef6e0 af01ee7d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/11 05:02 https://github.com/google/kmsan.git master 33d9269ef6e0 e22c3da3 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/10 02:10 https://github.com/google/kmsan.git master 33d9269ef6e0 e22c3da3 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/08 03:53 https://github.com/google/kmsan.git master 33d9269ef6e0 c6ff3e05 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/07 13:49 https://github.com/google/kmsan.git master 33d9269ef6e0 c6ff3e05 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/06 23:31 https://github.com/google/kmsan.git master 33d9269ef6e0 97582466 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/04 11:25 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/04 08:43 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/03 21:31 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/03 08:49 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/02 23:40 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/04/02 16:03 https://github.com/google/kmsan.git master 1978a14f70af 79a2a8fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/30 16:21 https://github.com/google/kmsan.git master 1978a14f70af 42718dd6 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/30 08:28 https://github.com/google/kmsan.git master 1978a14f70af 6bdac766 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/29 23:46 https://github.com/google/kmsan.git master 1978a14f70af 6bdac766 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/29 19:27 https://github.com/google/kmsan.git master 1978a14f70af 6bdac766 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/26 15:56 https://github.com/google/kmsan.git master 97c7732c2bb6 89bc8608 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/26 09:21 https://github.com/google/kmsan.git master 97c7732c2bb6 89bc8608 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/25 06:48 https://github.com/google/kmsan.git master 97c7732c2bb6 89bc8608 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/24 14:48 https://github.com/google/kmsan.git master 97c7732c2bb6 89bc8608 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/24 08:20 https://github.com/google/kmsan.git master 97c7732c2bb6 5ff41e94 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/22 07:19 https://github.com/google/kmsan.git master 97c7732c2bb6 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/21 16:10 https://github.com/google/kmsan.git master 97c7732c2bb6 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/21 01:12 https://github.com/google/kmsan.git master 97c7732c2bb6 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/20 17:39 https://github.com/google/kmsan.git master 97c7732c2bb6 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/19 14:20 https://github.com/google/kmsan.git master 97c7732c2bb6 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/18 13:06 https://github.com/google/kmsan.git master 724946410067 e2d91b1d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/17 06:57 https://github.com/google/kmsan.git master 724946410067 dfa9a8ed .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/16 10:44 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/16 08:27 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/15 11:20 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/15 06:48 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/15 02:00 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/14 15:04 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/14 03:40 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/13 01:22 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/12 08:38 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/11 18:45 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/11 00:18 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/10 15:04 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/09 19:03 https://github.com/google/kmsan.git master 724946410067 9e8eaa75 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/08 05:21 https://github.com/google/kmsan.git master 724946410067 7bdd8b2c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/07 22:56 https://github.com/google/kmsan.git master 724946410067 7bdd8b2c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/07 18:34 https://github.com/google/kmsan.git master 724946410067 7bdd8b2c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2022/03/07 16:51 https://github.com/google/kmsan.git master 724946410067 7bdd8b2c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_read_nopm
2021/05/19 20:26 https://github.com/google/kmsan.git master 6099c9da2f7d a343ba6b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_read_nopm
2021/01/11 15:51 https://github.com/google/kmsan.git master 73d62e81b476 2c1f2513 .config console log report info ci-upstream-kmsan-gce
2020/08/17 12:44 https://github.com/google/kmsan.git master ce8056d1f79e 424dd8e7 .config console log report ci-upstream-kmsan-gce
* Struck through repros no longer work on HEAD.