Re: [PATCH v2] drm/i915/vma: Fix potential UAF on multi-tile platforms

2023-11-09 Thread Andi Shyti
Hi Janusz, On Wed, Nov 08, 2023 at 05:29:06PM +0100, Janusz Krzysztofik wrote: > Object debugging tools were sporadically reporting illegal attempts to > free a still active i915 VMA object from when parking a GPU tile believed > to be idle. > > [161.359441] ODEBUG: free active (active state 0) o

[PATCH v2] drm/i915/vma: Fix potential UAF on multi-tile platforms

2023-11-08 Thread Janusz Krzysztofik
Object debugging tools were sporadically reporting illegal attempts to free a still active i915 VMA object from when parking a GPU tile believed to be idle. [161.359441] ODEBUG: free active (active state 0) object: 88811643b958 object type: i915_active hint: __i915_vma_active+0x0/0x50 [i915]