Re: [PATCH v4 1/3] drm/i915/vma: Fix UAF on destroy against retire race

On Tue, Jan 23, 2024 at 11:51:15AM +0100, Janusz Krzysztofik wrote: > Hi Rodrigo, > > Thank you for review. > > On Monday, 22 January 2024 22:09:38 CET Rodrigo Vivi wrote: > > On Mon, Jan 22, 2024 at 03:04:42PM +0100, Janusz Krzysztofik wrote: > > > Object debugging tools were sporadically report

Re: [PATCH v4 1/3] drm/i915/vma: Fix UAF on destroy against retire race

Hi Rodrigo, Thank you for review. On Monday, 22 January 2024 22:09:38 CET Rodrigo Vivi wrote: > On Mon, Jan 22, 2024 at 03:04:42PM +0100, Janusz Krzysztofik wrote: > > Object debugging tools were sporadically reporting illegal attempts to > > free a still active i915 VMA object when parking a GPU

Re: [PATCH v4 1/3] drm/i915/vma: Fix UAF on destroy against retire race

On Mon, Jan 22, 2024 at 03:04:42PM +0100, Janusz Krzysztofik wrote: > Object debugging tools were sporadically reporting illegal attempts to > free a still active i915 VMA object when parking a GPU tile believed to be > idle. > > [161.359441] ODEBUG: free active (active state 0) object: 888116

[PATCH v4 1/3] drm/i915/vma: Fix UAF on destroy against retire race

Object debugging tools were sporadically reporting illegal attempts to free a still active i915 VMA object 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] [161.