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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: 1339d, last: 3h51m
Last 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+0xf8e/0x3d80 drivers/net/usb/usbnet.c:1745
 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396
 really_probe+0x506/0x1000 drivers/base/dd.c:639
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808
 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:1008
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517
 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+0x506/0x1000 drivers/base/dd.c:639
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808
 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:1008
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517
 usb_new_device+0x17ac/0x2370 drivers/usb/core/hub.c:2573
 hub_port_connect drivers/usb/core/hub.c:5353 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x5571/0x8070 drivers/usb/core/hub.c:5735
 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 arch/x86/entry/entry_64.S:306

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: 1 PID: 121 Comm: kworker/1:2 Not tainted 6.1.0-rc6-syzkaller-63553-gddce02aa9c40 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: usb_hub_wq hub_event
=====================================================

Crashes (924):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kmsan-gce 2022/11/24 11:36 https://github.com/google/kmsan.git master ddce02aa9c40 12c66417 .config strace log report syz C [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2022/08/09 23:19 https://github.com/google/kmsan.git master 1b070a5d1a2c c2a623d6 .config strace 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 console log report syz C
ci-upstream-kmsan-gce 2019/08/11 10:37 https://github.com/google/kmsan.git master 61ccdad1fcdf acb51638 .config console log report syz C
ci-upstream-kmsan-gce 2019/08/09 17:23 https://github.com/google/kmsan.git master 61ccdad1fcdf ede31a9b .config console log report syz C
ci-upstream-kmsan-gce 2019/07/28 02:28 https://github.com/google/kmsan.git master beaab8a31e0d c85e1c5b .config console log report syz C
ci-upstream-kmsan-gce 2019/07/02 09:57 https://github.com/google/kmsan.git master 41550654dedf cccc4302 .config console log report syz C
ci-upstream-kmsan-gce 2019/06/04 08:56 https://github.com/google/kmsan.git master f75e4cfea97f ce07a7ae .config console log report syz C
ci-upstream-kmsan-gce 2023/02/02 11:28 https://github.com/google/kmsan.git master eda666ff2276 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/02/01 20:41 https://github.com/google/kmsan.git master eda666ff2276 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/02/01 06:39 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/02/01 05:32 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/02/01 04:51 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/02/01 03:33 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 18:52 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 16:49 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 14:54 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 12:40 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 10:43 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 07:01 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/31 02:13 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/30 23:59 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/30 20:53 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/30 04:39 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/30 03:15 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 22:17 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 20:49 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 18:52 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 15:41 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 08:52 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/29 04:13 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 19:15 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 17:16 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 15:05 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 12:25 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 09:05 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 04:26 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 01:15 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/28 00:06 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/27 11:35 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/27 01:33 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/27 00:28 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 23:14 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 21:54 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 20:10 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 18:53 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 17:19 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 08:28 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 06:56 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 04:59 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/26 00:26 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce 2023/01/25 22:52 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce-386 2023/01/28 06:42 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in mii_nway_restart
ci-upstream-kmsan-gce-386 2023/01/27 20:18 https://github.com/google/kmsan.git master 41c66f470616 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] 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 console log report
ci-upstream-kmsan-gce 2019/06/04 07:39 https://github.com/google/kmsan.git master f75e4cfea97f ce07a7ae .config console log report
* Struck through repros no longer work on HEAD.