Messages in this thread | | | Subject | Re: Kernel WARNING via bochsdrmfb mmap | From | Jiri Slaby <> | Date | Mon, 7 Mar 2016 15:36:58 +0100 |
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On 03/07/2016, 03:30 PM, Takashi Iwai wrote: > Hi, > > Jiri Slaby reported a kernel WARNING triggered by syzkaller. It can > be reliably reproduced via fbdev mmap access on bochs drm. The > warning looks like below: > > WARNING: CPU: 3 PID: 29356 at ../drivers/gpu/drm/ttm/ttm_bo_vm.c:265 ttm_bo_vm_open+0x11a/0x180 [ttm]()
BTW running the reproducer on my box gives: x86/PAT: ac:501 freeing invalid memtype [mem 0xe083d000-0xe083dfff]
and not the warning.
thanks, -- js suse labs
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