Re: rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-10-21 Thread Phy Bio
This PoC generated by syzkaller needs ROOT permission to run. Steven Rostedt 于2018年10月18日周四 上午10:13写道： > > On Sat, 29 Sep 2018 17:22:13 +0800 > 王晓东 wrote: > > > Hi there, > > > > We would like to report a kernel stack corrupted problem we identified > > in the perf_trace_rcu_dyntick function of t

Re: rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-10-17 Thread Steven Rostedt
On Sat, 29 Sep 2018 17:22:13 +0800 王晓东 wrote: > Hi there, > > We would like to report a kernel stack corrupted problem we identified > in the perf_trace_rcu_dyntick function of tracing events subsystem. > And the problem was founded by syzkaller. We has tested the PoC on > the lasted master bra

Re: rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-10-17 Thread Paul E. McKenney
On Wed, Oct 17, 2018 at 04:45:48PM +0800, Phy Bio wrote: > I will be very happy, if the source code can help you analyze this problem. > > The source code is in the following: > > #define _GNU_SOURCE > > #include > #include > #include > #include > #include > #include > #include > #include

Re: rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-10-17 Thread Phy Bio
I will be very happy, if the source code can help you analyze this problem. The source code is in the following: #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include un

Re: rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-10-02 Thread Steven Rostedt
On Sat, 29 Sep 2018 17:22:13 +0800 王晓东 wrote: > Hi there, > > We would like to report a kernel stack corrupted problem we identified > in the perf_trace_rcu_dyntick function of tracing events subsystem. > And the problem was founded by syzkaller. We has tested the PoC on > the lasted master bra

rcu: Kernel stack is corrupted in: perf_trace_rcu_dyntick

2018-09-29 Thread 王晓东
Hi there, We would like to report a kernel stack corrupted problem we identified in the perf_trace_rcu_dyntick function of tracing events subsystem. And the problem was founded by syzkaller. We has tested the PoC on the lasted master branch of kernel(4.19.0-rc5+). The crash log generated with KA