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KMSAN: uninit-value in asix_mdio_write

Status: auto-obsoleted due to no activity on 2022/09/19 06:36
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+7dc7c28d4577bbe55b10@syzkaller.appspotmail.com
First crash: 2211d, last: 1628d
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[PATCH] usb: asix: Fix uninit-value in asix_mdio_write 4 (4) 2019/11/10 14:11
KMSAN: uninit-value in asix_mdio_write 0 (1) 2019/10/15 21:22
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2022/09/19 04:29 19m retest repro https://github.com/google/kmsan.git master OK log
2019/11/10 10:21 20m tranmanphong@gmail.com patch https://github.com/google/kmsan.git c2453450 OK
2019/11/06 14:57 21m tranmanphong@gmail.com patch https://github.com/google/kmsan.git c2453450 OK

Sample crash report:
asix 1-1:0.145 (unnamed net_device) (uninitialized): Failed to enable software MII access
asix 1-1:0.145 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71
=====================================================
BUG: KMSAN: uninit-value in asix_mdio_write+0x3fa/0x8d0 drivers/net/usb/asix_common.c:496
CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x191/0x1f0 lib/dump_stack.c:113
 kmsan_report+0x14a/0x2f0 mm/kmsan/kmsan_report.c:109
 __msan_warning+0x73/0xf0 mm/kmsan/kmsan_instr.c:245
 asix_mdio_write+0x3fa/0x8d0 drivers/net/usb/asix_common.c:496
 asix_phy_reset+0xd8/0x2d0 drivers/net/usb/asix_devices.c:208
 ax88172_bind+0x780/0xbd0 drivers/net/usb/asix_devices.c:272
 usbnet_probe+0x10d3/0x39d0 drivers/net/usb/usbnet.c:1730
 usb_probe_interface+0xd19/0x1310 drivers/usb/core/driver.c:361
 really_probe+0xd91/0x1f90 drivers/base/dd.c:552
 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721
 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828
 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430
 __device_attach+0x489/0x750 drivers/base/dd.c:894
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941
 bus_probe_device+0x131/0x390 drivers/base/bus.c:490
 device_add+0x25b5/0x2df0 drivers/base/core.c:2201
 usb_set_configuration+0x309f/0x3710 drivers/usb/core/message.c:2027
 generic_probe+0xe7/0x280 drivers/usb/core/generic.c:210
 usb_probe_device+0x146/0x200 drivers/usb/core/driver.c:266
 really_probe+0xd91/0x1f90 drivers/base/dd.c:552
 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721
 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828
 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430
 __device_attach+0x489/0x750 drivers/base/dd.c:894
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941
 bus_probe_device+0x131/0x390 drivers/base/bus.c:490
 device_add+0x25b5/0x2df0 drivers/base/core.c:2201
 usb_new_device+0x23e5/0x2fb0 drivers/usb/core/hub.c:2536
 hub_port_connect drivers/usb/core/hub.c:5098 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5213 [inline]
 port_event drivers/usb/core/hub.c:5359 [inline]
 hub_event+0x581d/0x72f0 drivers/usb/core/hub.c:5441
 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269
 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
 kthread+0x4b5/0x4f0 kernel/kthread.c:256
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Local variable description: ----smsr@asix_mdio_write
Variable was created at:
 asix_mdio_write+0xc7/0x8d0 drivers/net/usb/asix_common.c:480
 asix_mdio_write+0xc7/0x8d0 drivers/net/usb/asix_common.c:480
=====================================================

Crashes (153):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/10/15 20:24 https://github.com/google/kmsan.git master c24534505750 b5268b89 .config console log report syz C ci-upstream-kmsan-gce
2021/05/20 04:22 https://github.com/google/kmsan.git master 6099c9da2f7d a343ba6b .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/19 05:45 https://github.com/google/kmsan.git master 6099c9da2f7d a343ba6b .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/16 08:19 https://github.com/google/kmsan.git master bdefec9ab855 f54a5c09 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/15 06:55 https://github.com/google/kmsan.git master bdefec9ab855 8bdd5343 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/14 11:21 https://github.com/google/kmsan.git master bdefec9ab855 8bdd5343 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/11 03:49 https://github.com/google/kmsan.git master 4ebaab5fb428 ca873091 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/07 01:26 https://github.com/google/kmsan.git master 4ebaab5fb428 06585184 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/06 06:48 https://github.com/google/kmsan.git master 4ebaab5fb428 06c27ff5 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/05 19:43 https://github.com/google/kmsan.git master 4ebaab5fb428 06c27ff5 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/04 16:55 https://github.com/google/kmsan.git master 4ebaab5fb428 09efdd63 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/03 11:33 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/03 09:15 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/03 05:20 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/02 09:25 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/01 15:50 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/30 21:17 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/30 03:17 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/29 22:31 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/29 07:45 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/26 07:29 https://github.com/google/kmsan.git master 4ebaab5fb428 2a82f1b3 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/25 03:47 https://github.com/google/kmsan.git master 4ebaab5fb428 17f0b706 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/19 08:04 https://github.com/google/kmsan.git master 4ebaab5fb428 7e2b734b .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/18 13:06 https://github.com/google/kmsan.git master 4ebaab5fb428 7e2b734b .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/17 07:38 https://github.com/google/kmsan.git master 4ebaab5fb428 7e2b734b .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/12 21:29 https://github.com/google/kmsan.git master 4ebaab5fb428 bfeda1b1 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/11 05:08 https://github.com/google/kmsan.git master 4ebaab5fb428 bfeda1b1 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/09 13:54 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/09 12:34 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/07 16:04 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/06 09:05 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/05 00:33 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/04 05:15 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/04/03 02:16 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in asix_mdio_write
2021/05/14 23:29 https://github.com/google/kmsan.git master bdefec9ab855 8bdd5343 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/05/02 17:49 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/30 13:46 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/13 11:50 https://github.com/google/kmsan.git master 4ebaab5fb428 bfeda1b1 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/09 00:15 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/07 02:37 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/06 06:37 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/05 03:02 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/04 16:08 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/04 02:59 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/02 23:24 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/04/02 15:19 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in asix_mdio_write
2021/01/17 02:58 https://github.com/google/kmsan.git master 73d62e81b476 65a7a854 .config console log report info ci-upstream-kmsan-gce
2019/10/15 08:47 https://github.com/google/kmsan.git master c24534505750 05ad7292 .config console log report ci-upstream-kmsan-gce
* Struck through repros no longer work on HEAD.