Re: general protection fault in usb_set_interface

2019-09-19 Thread Andrey Konovalov
On Wed, Sep 18, 2019 at 8:57 PM Alan Stern wrote: > > On Tue, 17 Sep 2019, syzbot wrote: > > > Hello, > > > > syzbot has tested the proposed patch but the reproducer still triggered > > crash: > > WARNING in sysfs_remove_group > > > > [ cut here ] > > sysfs group 'power' no

Re: general protection fault in usb_set_interface

2019-09-18 Thread Alan Stern
On Tue, 17 Sep 2019, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > WARNING in sysfs_remove_group > > [ cut here ] > sysfs group 'power' not found for kobject 'radio0' Andrey: Is there any way to tell syzb

Re: general protection fault in usb_set_interface

2019-09-17 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: WARNING in sysfs_remove_group [ cut here ] sysfs group 'power' not found for kobject 'radio0' WARNING: CPU: 0 PID: 2871 at fs/sysfs/group.c:278 sysfs_remove_group fs/sysfs/group.c:2

Re: general protection fault in usb_set_interface

2019-09-17 Thread Alan Stern
On Tue, 17 Sep 2019, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but build/boot failed: Oops. Typo. #syz test: https://github.com/google/kasan.git f0df5c1b drivers/media/usb/usbvision/usbvision-video.c | 27 ++ 1 file changed, 23 insertions(+)

Re: general protection fault in usb_set_interface

2019-09-17 Thread syzbot
Hello, syzbot tried to test the proposed patch but build/boot failed: drivers/usb/typec/altmodes/built-in.a CC drivers/usb/misc/legousbtower.o AR drivers/usb/musb/built-in.a CC drivers/usb/host/sl811-hcd.o CC drivers/usb/usbip/vhci_sysfs.o AR drivers/usb/typec

Re: general protection fault in usb_set_interface

2019-09-17 Thread Alan Stern
On Tue, 17 Sep 2019, Alan Stern wrote: > On Tue, 17 Sep 2019, syzbot wrote: > > > Hello, > > > > syzbot has tested the proposed patch but the reproducer still triggered > > crash: > > WARNING in sysfs_remove_group > > > > [ cut here ] > > sysfs group 'power' not found

Re: general protection fault in usb_set_interface

2019-09-17 Thread Alan Stern
On Tue, 17 Sep 2019, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > WARNING in sysfs_remove_group > > [ cut here ] > sysfs group 'power' not found for kobject 'radio3' > WARNING: CPU: 1 PID: 2883 at fs/sysfs

Re: general protection fault in usb_set_interface

2019-09-17 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: WARNING in sysfs_remove_group [ cut here ] sysfs group 'power' not found for kobject 'radio3' WARNING: CPU: 1 PID: 2883 at fs/sysfs/group.c:278 sysfs_remove_group fs/sysfs/group.c:2

Re: general protection fault in usb_set_interface

2019-09-17 Thread Alan Stern
On Tue, 17 Sep 2019, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > possible deadlock in vidioc_querycap > > > WARNING: possible recursive locking detected > 5.3.0-rc7+ #0 Not tainted >

Re: general protection fault in usb_set_interface

2019-09-17 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: possible deadlock in vidioc_querycap WARNING: possible recursive locking detected 5.3.0-rc7+ #0 Not tainted v4l_id/30

Re: general protection fault in usb_set_interface

2019-09-17 Thread Alan Stern
On Mon, 16 Sep 2019, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > general protection fault in vidioc_querycap Same problem in a different part of the code. Alan Stern #syz test: https://github.com/google/kasan.git f0df5c1b dr

Re: general protection fault in usb_set_interface

2019-09-16 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: general protection fault in vidioc_querycap kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: [#1] SMP KASAN CPU: 0 PID: 293

Re: general protection fault in usb_set_interface

2019-09-16 Thread Alan Stern
On Mon, 16 Sep 2019, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:f0df5c1b usb-fuzzer: main usb gadget fuzzer driver > git tree: https://github.com/google/kasan.git usb-fuzzer > console output: https://syzkaller.appspot.com/x/log.txt?x=158b66f160