Re: [LTP] [PATCH] syscall/ptrace08: Simplify the test.

2020-09-04 Thread Thadeu Lima de Souza Cascardo
On Fri, Sep 04, 2020 at 01:58:17PM +0200, Cyril Hrubis wrote: > The original test was attempting to crash the kernel by setting a > breakpoint on do_debug kernel function which, when triggered, caused an > infinite loop in the kernel. The problem with this approach is that > kernel internal

Re: [LTP] [PATCH] syscall/ptrace08: Simplify the test.

2020-09-04 Thread Cyril Hrubis
Hi! > This is failing on our 4.4 and 4.15 kernels, though they passed with the > previous test and have commit f67b15037a7a applied. > > So, this is dependent on some other behavior/commit that has changed. It > passes > on 5.4, for example. I'll try to investigate further. We are looking at it

[PATCH] syscall/ptrace08: Simplify the test.

2020-09-04 Thread Cyril Hrubis
The original test was attempting to crash the kernel by setting a breakpoint on do_debug kernel function which, when triggered, caused an infinite loop in the kernel. The problem with this approach is that kernel internal function names are not stable at all and the name was changed recently,