KMSAN: uninit-value in ax88178_bind
瀏覽次數：14 次
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syzbot
2019年6月7日 下午3:13:062019/6/7
收件者：da...@davemloft.net、gli...@google.com、linux-...@vger.kernel.org、linu...@vger.kernel.org、lyn...@fe80.eu、marcel....@toradex.com、net...@vger.kernel.org、syzkall...@googlegroups.com、yang...@zte.com.cn、zhan...@zte.com.cn
Hello,
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=10b2622ea00000
kernel config: https://syzkaller.appspot.com/x/.config?x=602468164ccdc30a
dashboard link: https://syzkaller.appspot.com/bug?extid=abd25d675d47f23f188c
compiler: clang version 9.0.0 (/home/glider/llvm/clang
06d00afa61eef8f7f501ebdb4e8612ea43ec2d78)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+abd25d...@syzkaller.appspotmail.com
usb 2-1: Using ep0 maxpacket: 8
usb 2-1: config 0 has an invalid interface number: 81 but max is 0
usb 2-1: config 0 has no interface number 0
usb 2-1: New USB device found, idVendor=04bb, idProduct=0930, bcdDevice=
f.22
usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 2-1: config 0 descriptor??
==================================================================
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 ax88178_bind+0x635/0xad0
drivers/net/usb/asix_devices.c:1087
CPU: 0 PID: 12 Comm: kworker/0:1 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]
ax88178_bind+0x635/0xad0 drivers/net/usb/asix_devices.c:1087
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
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
kthread+0x4b5/0x4f0 kernel/kthread.c:254
ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Local variable description: ----buf@ax88178_bind
Variable was created at:
ax88178_bind+0x60/0xad0 drivers/net/usb/asix_devices.c:1076
usbnet_probe+0x10f5/0x3940 drivers/net/usb/usbnet.c:1728
==================================================================
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
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=10b2622ea00000
kernel config: https://syzkaller.appspot.com/x/.config?x=602468164ccdc30a
dashboard link: https://syzkaller.appspot.com/bug?extid=abd25d675d47f23f188c
compiler: clang version 9.0.0 (/home/glider/llvm/clang
06d00afa61eef8f7f501ebdb4e8612ea43ec2d78)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+abd25d...@syzkaller.appspotmail.com
usb 2-1: Using ep0 maxpacket: 8
usb 2-1: config 0 has an invalid interface number: 81 but max is 0
usb 2-1: config 0 has no interface number 0
usb 2-1: New USB device found, idVendor=04bb, idProduct=0930, bcdDevice=
f.22
usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 2-1: config 0 descriptor??
==================================================================
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 ax88178_bind+0x635/0xad0
drivers/net/usb/asix_devices.c:1087
CPU: 0 PID: 12 Comm: kworker/0:1 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]
ax88178_bind+0x635/0xad0 drivers/net/usb/asix_devices.c:1087
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
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
kthread+0x4b5/0x4f0 kernel/kthread.c:254
ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Local variable description: ----buf@ax88178_bind
Variable was created at:
ax88178_bind+0x60/0xad0 drivers/net/usb/asix_devices.c:1076
usbnet_probe+0x10f5/0x3940 drivers/net/usb/usbnet.c:1728
==================================================================
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
2019年7月1日 清晨7:38:052019/7/1
收件者：all...@lohutok.net、da...@davemloft.net、gli...@google.com、gre...@linuxfoundation.org、linux-...@vger.kernel.org、linu...@vger.kernel.org、lyn...@fe80.eu、marcel....@toradex.com、net...@vger.kernel.org、opens...@jilayne.com、syzkall...@googlegroups.com、tg...@linutronix.de、yang...@zte.com.cn、zhan...@zte.com.cn
syzbot has found a reproducer for the following crash on:
HEAD commit: 41550654 [UPSTREAM] KVM: x86: degrade WARN to pr_warn_rate..
git tree: kmsan
console output: https://syzkaller.appspot.com/x/log.txt?x=1577f4d5a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=40511ad0c5945201
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ea8283a00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a1f57ba00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+abd25d...@syzkaller.appspotmail.com
usb 1-1: config 0 has no interface number 0
usb 1-1: New USB device found, idVendor=04bb, idProduct=0930,
bcdDevice=d2.4a
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.2.0-rc4+ #7
__msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:304
is_valid_ether_addr include/linux/etherdevice.h:195 [inline]
asix_set_netdev_dev_addr drivers/net/usb/asix_devices.c:61 [inline]
ax88178_bind+0x635/0xad0 drivers/net/usb/asix_devices.c:1075
usbnet_probe+0x10d3/0x3950 drivers/net/usb/usbnet.c:1722
usb_probe_interface+0xd19/0x1310 drivers/usb/core/driver.c:361
really_probe+0x1344/0x1d90 drivers/base/dd.c:513
driver_probe_device+0x1ba/0x510 drivers/base/dd.c:670
__device_attach_driver+0x5b8/0x790 drivers/base/dd.c:777
bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454
__device_attach+0x489/0x750 drivers/base/dd.c:843
device_initial_probe+0x4a/0x60 drivers/base/dd.c:890
bus_probe_device+0x131/0x390 drivers/base/bus.c:514
device_add+0x25b5/0x2df0 drivers/base/core.c:2111
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+0x1344/0x1d90 drivers/base/dd.c:513
driver_probe_device+0x1ba/0x510 drivers/base/dd.c:670
__device_attach_driver+0x5b8/0x790 drivers/base/dd.c:777
bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454
__device_attach+0x489/0x750 drivers/base/dd.c:843
device_initial_probe+0x4a/0x60 drivers/base/dd.c:890
bus_probe_device+0x131/0x390 drivers/base/bus.c:514
device_add+0x25b5/0x2df0 drivers/base/core.c:2111
usb_new_device+0x23e5/0x2fb0 drivers/usb/core/hub.c:2534
usbnet_probe+0x10d3/0x3950 drivers/net/usb/usbnet.c:1722
==================================================================
HEAD commit: 41550654 [UPSTREAM] KVM: x86: degrade WARN to pr_warn_rate..
git tree: kmsan
console output: https://syzkaller.appspot.com/x/log.txt?x=1577f4d5a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=40511ad0c5945201
dashboard link: https://syzkaller.appspot.com/bug?extid=abd25d675d47f23f188c
compiler: clang version 9.0.0 (/home/glider/llvm/clang
80fee25776c2fb61e74c1ecb1a523375c2500b69)
compiler: clang version 9.0.0 (/home/glider/llvm/clang
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ea8283a00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a1f57ba00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+abd25d...@syzkaller.appspotmail.com
usb 1-1: New USB device found, idVendor=04bb, idProduct=0930,
bcdDevice=d2.4a
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
==================================================================
BUG: KMSAN: uninit-value in is_valid_ether_addr
include/linux/etherdevice.h:195 [inline]
BUG: KMSAN: uninit-value in is_valid_ether_addr
BUG: KMSAN: uninit-value in asix_set_netdev_dev_addr
drivers/net/usb/asix_devices.c:61 [inline]
BUG: KMSAN: uninit-value in ax88178_bind+0x635/0xad0
drivers/net/usb/asix_devices.c:1075
CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.2.0-rc4+ #7
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+0x162/0x2d0 mm/kmsan/kmsan.c:611
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
__msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:304
is_valid_ether_addr include/linux/etherdevice.h:195 [inline]
asix_set_netdev_dev_addr drivers/net/usb/asix_devices.c:61 [inline]
ax88178_bind+0x635/0xad0 drivers/net/usb/asix_devices.c:1075
usbnet_probe+0x10d3/0x3950 drivers/net/usb/usbnet.c:1722
usb_probe_interface+0xd19/0x1310 drivers/usb/core/driver.c:361
really_probe+0x1344/0x1d90 drivers/base/dd.c:513
driver_probe_device+0x1ba/0x510 drivers/base/dd.c:670
__device_attach_driver+0x5b8/0x790 drivers/base/dd.c:777
bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454
__device_attach+0x489/0x750 drivers/base/dd.c:843
device_initial_probe+0x4a/0x60 drivers/base/dd.c:890
bus_probe_device+0x131/0x390 drivers/base/bus.c:514
device_add+0x25b5/0x2df0 drivers/base/core.c:2111
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+0x1344/0x1d90 drivers/base/dd.c:513
driver_probe_device+0x1ba/0x510 drivers/base/dd.c:670
__device_attach_driver+0x5b8/0x790 drivers/base/dd.c:777
bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:454
__device_attach+0x489/0x750 drivers/base/dd.c:843
device_initial_probe+0x4a/0x60 drivers/base/dd.c:890
bus_probe_device+0x131/0x390 drivers/base/bus.c:514
device_add+0x25b5/0x2df0 drivers/base/core.c:2111
usb_new_device+0x23e5/0x2fb0 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+0x5853/0x7320 drivers/usb/core/hub.c:5432
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
process_one_work+0x1572/0x1f00 kernel/workqueue.c:2269
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
kthread+0x4b5/0x4f0 kernel/kthread.c:256
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Local variable description: ----buf@ax88178_bind
Variable was created at:
ax88178_bind+0x60/0xad0 drivers/net/usb/asix_devices.c:1064
Local variable description: ----buf@ax88178_bind
Variable was created at:
usbnet_probe+0x10d3/0x3950 drivers/net/usb/usbnet.c:1722
==================================================================
syzbot
2022年12月11日 下午4:24:362022/12/11
收件者：gli...@google.com、syzkall...@googlegroups.com
Auto-closing this bug as obsolete.
No recent activity, existing reproducers are no longer triggering the issue.
No recent activity, existing reproducers are no longer triggering the issue.
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