Re: sw_perf_event_destroy() oops while fuzzing

2013-04-13 Thread Tommi Rantala
2013/4/12 Tommi Rantala : > 2013/4/12 Peter Zijlstra : >> perf_swevent_init() only sets event->destroy() (to >> sw_perf_event_destroy) _after_ it increments the static key thing and >> enqueues (and allocates) the hash list stuff. >> >> Obviously something is funny, but I'm not seeing it. > >

Re: sw_perf_event_destroy() oops while fuzzing

2013-04-13 Thread Tommi Rantala
2013/4/12 Tommi Rantala tt.rant...@gmail.com: 2013/4/12 Peter Zijlstra a.p.zijls...@chello.nl: perf_swevent_init() only sets event-destroy() (to sw_perf_event_destroy) _after_ it increments the static key thing and enqueues (and allocates) the hash list stuff. Obviously something is funny,

Re: sw_perf_event_destroy() oops while fuzzing

2013-04-12 Thread Tommi Rantala
2013/4/12 Peter Zijlstra : > On Fri, 2013-04-12 at 08:34 +0300, Tommi Rantala wrote: > >> [92759.011005] RIP [] sw_perf_event_destroy+0x30/0x90 > >> [114607.070003] RIP: 0010:[] [] >> sw_perf_event_destroy+0x30/0x90 > >> [114607.070003] RIP [] sw_perf_event_destroy+0x30/0x90 > > Would you have

Re: sw_perf_event_destroy() oops while fuzzing

2013-04-12 Thread Peter Zijlstra
On Fri, 2013-04-12 at 08:34 +0300, Tommi Rantala wrote: > [92759.011005] RIP [] sw_perf_event_destroy+0x30/0x90 > [114607.070003] RIP: 0010:[] [] > sw_perf_event_destroy+0x30/0x90 > [114607.070003] RIP [] sw_perf_event_destroy+0x30/0x90 Would you have a source line for me that goes with

Re: sw_perf_event_destroy() oops while fuzzing

2013-04-12 Thread Peter Zijlstra
On Fri, 2013-04-12 at 08:34 +0300, Tommi Rantala wrote: [92759.011005] RIP [811a7200] sw_perf_event_destroy+0x30/0x90 [114607.070003] RIP: 0010:[811a7200] [811a7200] sw_perf_event_destroy+0x30/0x90 [114607.070003] RIP [811a7200]

Re: sw_perf_event_destroy() oops while fuzzing

2013-04-12 Thread Tommi Rantala
2013/4/12 Peter Zijlstra a.p.zijls...@chello.nl: On Fri, 2013-04-12 at 08:34 +0300, Tommi Rantala wrote: [92759.011005] RIP [811a7200] sw_perf_event_destroy+0x30/0x90 [114607.070003] RIP: 0010:[811a7200] [811a7200] sw_perf_event_destroy+0x30/0x90 [114607.070003]

sw_perf_event_destroy() oops while fuzzing

2013-04-11 Thread Tommi Rantala
Hello, Saw these oopses while fuzzing with trinity. I have some local modifications to trinity that might explain why Dave and others have not hit this before. Tommi [91911.171328] warning: process `trinity-child7' used the deprecated sysctl system call with 1029078728.32609.1029078728.32609.

sw_perf_event_destroy() oops while fuzzing

2013-04-11 Thread Tommi Rantala
Hello, Saw these oopses while fuzzing with trinity. I have some local modifications to trinity that might explain why Dave and others have not hit this before. Tommi [91911.171328] warning: process `trinity-child7' used the deprecated sysctl system call with 1029078728.32609.1029078728.32609.