Test [PATCH] compat_ioctl: fix FIONREAD on devices, fixed my problem. 2020-02-08 1:06 GMT+08:00, Arnd Bergmann <arnd@xxxxxxxx>: > On Fri, Feb 7, 2020 at 8:22 AM youling257 <youling257@xxxxxxxxx> wrote: >> >> This patch cause a problem on 64bit kernel 32bit userspace. >> My 32bit Androidx86 userspace run on 64bit mainline kernel, this patch >> caused some app not detect root permission. > > Thanks for you work in bisecting the issue to my patch, sorry to have > caused you trouble. After Christian Zigotzky > also reported a problem in this file, I have been able to find a > specific bug and just submitted a patch for it. > > Please have a look if that fix addresses your problem, as it's > possible that there was more than one bug introduced > by the original patch. > > Arnd >
