Re: WARNING in kmem_cache_alloc_trace

2019-08-20 Thread Oliver Neukum
Am Dienstag, den 20.08.2019, 06:40 -0700 schrieb syzbot: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > WARNING in yurex_write/usb_submit_urb It looks to me like we have two issues here. The driver is simply not ready to deal with concurrent writ

Re: WARNING in kmem_cache_alloc_trace

2019-08-20 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: WARNING in yurex_write/usb_submit_urb [ cut here ] URB 52a92140 submitted while active WARNING: CPU: 1 PID: 3052 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 d

Re: WARNING in kmem_cache_alloc_trace

2019-08-20 Thread Oliver Neukum
Am Montag, den 19.08.2019, 18:59 +0200 schrieb Andrey Konovalov: > On Mon, Aug 19, 2019 at 6:18 PM syzbot > wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:d0847550 usb-fuzzer: main usb gadget fuzzer driver > > git tree: https://github.com/google

Re: WARNING in kmem_cache_alloc_trace

2019-08-20 Thread syzbot
Hello, syzbot tried to test the proposed patch but build/boot failed: rs/staging/uwb/lc-dev.o CC drivers/staging/uwb/lc-rc.o CC drivers/staging/uwb/neh.o CC drivers/video/fbdev/core/cfbfillrect.o AR drivers/staging/wlan-ng/built-in.a CC drivers/video/fbdev/core

Re: WARNING in kmem_cache_alloc_trace

2019-08-20 Thread Oliver Neukum
Am Montag, den 19.08.2019, 18:59 +0200 schrieb Andrey Konovalov: > On Mon, Aug 19, 2019 at 6:18 PM syzbot > wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:d0847550 usb-fuzzer: main usb gadget fuzzer driver > > git tree: https://github.com/google

Re: WARNING in kmem_cache_alloc_trace

2019-08-19 Thread syzbot
Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: WARNING in yurex_write/usb_submit_urb [ cut here ] URB c866c77d submitted while active WARNING: CPU: 1 PID: 2816 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 d

Re: WARNING in kmem_cache_alloc_trace

2019-08-19 Thread Alan Stern
On Mon, 19 Aug 2019, Andrey Konovalov wrote: > On Mon, Aug 19, 2019 at 6:18 PM syzbot > wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:d0847550 usb-fuzzer: main usb gadget fuzzer driver > > git tree: https://github.com/google/kasan.git usb-fuzzer

Re: WARNING in kmem_cache_alloc_trace

2019-08-19 Thread Andrey Konovalov
On Mon, Aug 19, 2019 at 6:18 PM syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:d0847550 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=1694