<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - Potential crash bug in src/gallium/auxiliary/rtasm/rtasm_execmem.c" href="https://bugs.freedesktop.org/show_bug.cgi?id=73473#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - Potential crash bug in src/gallium/auxiliary/rtasm/rtasm_execmem.c" href="https://bugs.freedesktop.org/show_bug.cgi?id=73473">bug 73473</a> from <a class="email" href="mailto:emil.l.velikov@gmail.com" title="Emil Velikov <emil.l.velikov@gmail.com>"> Emil Velikov</a> <pre>(In reply to <a href="show_bug.cgi?id=73473#c4">comment #4</a>) > (In reply to <a href="show_bug.cgi?id=73473#c3">comment #3</a>) > > Created <a href="attachment.cgi?id=91834" name="attach_91834" title="gallium/rtasm: add support for SELinux">attachment 91834</a> <a href="attachment.cgi?id=91834&action=edit" title="gallium/rtasm: add support for SELinux">[details]</a> <a href='page.cgi?id=splinter.html&bug=73473&attachment=91834'>[review]</a> [review] [review] > > gallium/rtasm: add support for SELinux > > > > You're absolutely right here. Seems like there aren't many hardened/selinux > > users of the gallium drivers. > > > > The attached patch should do the job, can you give it a try ? > > I tried the patch on Mesa 5.1.9 under Gentoo. > I hope you mean 9.1.5 here :) > patching file src/gallium/auxiliary/rtasm/rtasm_execmem.c > Hunk #1 succeeded at 60 (offset -1 lines). > Hunk #2 succeeded at 72 (offset -1 lines). > Hunk #3 succeeded at 90 (offset -1 lines). > Hunk #4 succeeded at 103 (offset -1 lines). > Hunk #5 succeeded at 115 (offset -1 lines). > > Running headless over SSH I could not verify today that the glxgears were > actually shown in X, but here are the results I got: > > $ DISPLAY=:0.0 glxgears > Running synchronized to the vertical refresh. The framerate should be > approximately the same as the monitor refresh rate. > 29168 frames in 5.0 seconds = 5833.411 FPS > 29463 frames in 5.0 seconds = 5892.528 FPS > ... > > This still gives the kernel message of RWX mmap being denied which is normal. > Great, thanks. > $ DISPLAY=:0.0 LIBGL_ALWAYS_SOFTWARE=1 glxgears > LLVM ERROR: Allocation failed when allocating new memory in the JIT > Can't allocate RWX Memory: Operation not permitted > > This also gives the kernel message, but exits immediately after with exit > status 1. I'm guessing that some work may be needed for LLVM. (In reply to <a href="show_bug.cgi?id=73473#c5">comment #5</a>) > PS: I'm not using selinux. So I guess I'm unable to test that part of the > patch. I thought that was the case. Either way big thanks for the report.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>