Re: [RESEND] Re: usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-26 Thread Andrey Konovalov
On Sat, Sep 23, 2017 at 9:37 PM, 'Christian Lamparter' via syzkaller wrote: > This got rejected by gmail once. Let's see if it works now. > > On Thursday, September 21, 2017 8:22:45 PM CEST Andrey Konovalov wrote: >> On Wed, Sep 20, 2017 at 9:55 PM, Johannes Berg >>

Re: [RESEND] Re: usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-24 Thread Johannes Berg
On Sat, 2017-09-23 at 21:37 +0200, Christian Lamparter wrote: > But this also begs the question: Is this really working then? > From what I can tell, if CONFIG_LOCKDEP is not set then there's no > BUG no WARN, no other splat or any other odd system behaviour. Does > [cancel |

[RESEND] Re: usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-23 Thread Christian Lamparter
This got rejected by gmail once. Let's see if it works now. On Thursday, September 21, 2017 8:22:45 PM CEST Andrey Konovalov wrote: > On Wed, Sep 20, 2017 at 9:55 PM, Johannes Berg > wrote: > > On Wed, 2017-09-20 at 21:27 +0200, Christian Lamparter wrote: > > > >> It

Re: usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-20 Thread Johannes Berg
On Wed, 2017-09-20 at 21:27 +0200, Christian Lamparter wrote: > It seems this is caused as a result of: > -> lock_map_acquire(>lockdep_map); > lock_map_release(>lockdep_map); > > in flush_work() [0] Agree. > This was added by: > > commit

Re: usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-20 Thread Christian Lamparter
On Wednesday, September 20, 2017 8:37:08 PM CEST Andrey Konovalov wrote: > Hi! > > I've got the following report while fuzzing the kernel with syzkaller. > > On commit ebb2c2437d8008d46796902ff390653822af6cc4 (Sep 18). > > INFO: trying to register non-static key. > the code is fine but needs

usb/net/p54: trying to register non-static key in p54_unregister_leds

2017-09-20 Thread Andrey Konovalov
Hi! I've got the following report while fuzzing the kernel with syzkaller. On commit ebb2c2437d8008d46796902ff390653822af6cc4 (Sep 18). INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 1404 Comm: