Phong Tran ca37b9a746 net: usb: asix: init MAC address buffers ... [ Upstream commit 78226f6eaa ] This is for fixing bug KMSAN: uninit-value in ax88772_bind Tested by https://groups.google.com/d/msg/syzkaller-bugs/aFQurGotng4/eB_HlNhhCwAJ Reported-by: syzbot+8a3fc6674bbc3978ed4e@syzkaller.appspotmail.com syzbot found the following crash on: HEAD commit: f75e4cfe kmsan: use kmsan_handle_urb() in urb.c git tree: kmsan console output: https://syzkaller.appspot.com/x/log.txt?x=136d720ea00000 kernel config: https://syzkaller.appspot.com/x/.config?x=602468164ccdc30a dashboard link: https://syzkaller.appspot.com/bug?extid=8a3fc6674bbc3978ed4e compiler: clang version 9.0.0 (/home/glider/llvm/clang 06d00afa61eef8f7f501ebdb4e8612ea43ec2d78) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12788316a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=120359aaa00000 ================================================================== BUG: KMSAN: uninit-value in is_valid_ether_addr include/linux/etherdevice.h:200 [inline] BUG: KMSAN: uninit-value in asix_set_netdev_dev_addr drivers/net/usb/asix_devices.c:73 [inline] BUG: KMSAN: uninit-value in ax88772_bind+0x93d/0x11e0 drivers/net/usb/asix_devices.c:724 CPU: 0 PID: 3348 Comm: kworker/0:2 Not tainted 5.1.0+ #1 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+0x130/0x2a0 mm/kmsan/kmsan.c:622 __msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:310 is_valid_ether_addr include/linux/etherdevice.h:200 [inline] asix_set_netdev_dev_addr drivers/net/usb/asix_devices.c:73 [inline] ax88772_bind+0x93d/0x11e0 drivers/net/usb/asix_devices.c:724 usbnet_probe+0x10f5/0x3940 drivers/net/usb/usbnet.c:1728 usb_probe_interface+0xd66/0x1320 drivers/usb/core/driver.c:361 really_probe+0xdae/0x1d80 drivers/base/dd.c:513 driver_probe_device+0x1b3/0x4f0 drivers/base/dd.c:671 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:778 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454 __device_attach+0x454/0x730 drivers/base/dd.c:844 device_initial_probe+0x4a/0x60 drivers/base/dd.c:891 bus_probe_device+0x137/0x390 drivers/base/bus.c:514 device_add+0x288d/0x30e0 drivers/base/core.c:2106 usb_set_configuration+0x30dc/0x3750 drivers/usb/core/message.c:2027 generic_probe+0xe7/0x280 drivers/usb/core/generic.c:210 usb_probe_device+0x14c/0x200 drivers/usb/core/driver.c:266 really_probe+0xdae/0x1d80 drivers/base/dd.c:513 driver_probe_device+0x1b3/0x4f0 drivers/base/dd.c:671 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:778 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454 __device_attach+0x454/0x730 drivers/base/dd.c:844 device_initial_probe+0x4a/0x60 drivers/base/dd.c:891 bus_probe_device+0x137/0x390 drivers/base/bus.c:514 device_add+0x288d/0x30e0 drivers/base/core.c:2106 usb_new_device+0x23e5/0x2ff0 drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x48d1/0x7290 drivers/usb/core/hub.c:5432 process_one_work+0x1572/0x1f00 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x189c/0x2460 kernel/workqueue.c:2417 kthread+0x4b5/0x4f0 kernel/kthread.c:254 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Signed-off-by: Phong Tran <tranmanphong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-07-26 09:14:15 +02:00
..
asix_common.c
asix_devices.c	net: usb: asix: init MAC address buffers	2019-07-26 09:14:15 +02:00
asix.h
ax88172a.c
ax88179_178a.c	ax88179_178a: Check for supported Wake-on-LAN modes	2018-09-29 11:31:29 -07:00
catc.c
cdc_eem.c
cdc_ether.c
cdc_mbim.c
cdc_ncm.c
cdc_subset.c
cdc-phonet.c
ch9200.c
cx82310_eth.c
dm9601.c
gl620a.c
hso.c	USB: hso: Fix OOB memory access in hso_probe/hso_get_config_data	2018-12-29 13:37:54 +01:00
huawei_cdc_ncm.c
int51x1.c
ipheth.c	usbnet: ipheth: fix racing condition	2019-06-19 08:18:04 +02:00
kalmia.c
kaweth.c
Kconfig
lan78xx.c	lan78xx: Resolve issue with changing MAC address	2019-01-13 09:51:02 +01:00
lan78xx.h
lg-vl600.c
Makefile
mcs7830.c
net1080.c
pegasus.c
pegasus.h
plusb.c
qmi_wwan.c	qmi_wwan: extend permitted QMAP mux_id value range	2019-07-14 08:11:13 +02:00
r8152.c	r8152: Check for supported Wake-on-LAN Modes	2018-09-29 11:31:29 -07:00
rndis_host.c
rtl8150.c
sierra_net.c
smsc75xx.c	net/usb: cancel pending work when unbinding smsc75xx	2018-10-04 13:51:30 -07:00
smsc75xx.h
smsc95xx.c	usbnet: smsc95xx: fix rx packet alignment	2019-02-12 19:47:00 +01:00
smsc95xx.h
sr9700.c
sr9700.h
sr9800.c	sr9800: Check for supported Wake-on-LAN modes	2018-09-29 11:31:29 -07:00
sr9800.h
usbnet.c	usbnet: fix kernel crash after disconnect	2019-06-04 08:02:32 +02:00
zaurus.c