Re: [PATCH 0/1] Fix NULL pointer access in PowerPC MSI teardown code

Hi Michael, On Wed, Nov 28, 2018 at 6:00 AM Michael Ellerman wrote: > > Radu Rendec writes: > > > > The assumption in arch_teardown_msi_irqs() is wrong and results in a > > function call on a NULL pointer. An example of how this can happen is > > included in the actual patch header. In my case,

Re: [PATCH 0/1] Fix NULL pointer access in PowerPC MSI teardown code

Hi Radu, Radu Rendec writes: > Hi everyone, > > It seems there's an unchecked access to a NULL pointer (to a function) > in the PowerPC MSI teardown code. I found this on kernel 4.9, but the > code looks identical in the latest 4.20-rc. I don't see any reason why > this wouldn't happen on recent

[PATCH 0/1] Fix NULL pointer access in PowerPC MSI teardown code

Hi everyone, It seems there's an unchecked access to a NULL pointer (to a function) in the PowerPC MSI teardown code. I found this on kernel 4.9, but the code looks identical in the latest 4.20-rc. I don't see any reason why this wouldn't happen on recent kernels too. The PowerPC architecture