Re: [PATCH v5 0/3] drm/i915: Fix VMA UAF on destroy against deactivate race

2024-01-29 Thread Janusz Krzysztofik
Hi Nirmoy, On Monday, 29 January 2024 10:24:07 CET Nirmoy Das wrote: > Hi Janusz, > > There seems to be a regression in CI related to this: > > https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_129026v2/bat-dg1-7/ igt@gem_lmem_swapping@random-engi...@lmem0.html#dmesg-warnings1053 > > Please ha

Re: [PATCH v5 0/3] drm/i915: Fix VMA UAF on destroy against deactivate race

2024-01-29 Thread Nirmoy Das
Hi Janusz, There seems to be a regression in CI related to this: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_129026v2/bat-dg1-7/igt@gem_lmem_swapping@random-engi...@lmem0.html#dmesg-warnings1053 Please have a look. Regards, Nirmoy On 1/24/2024 6:13 PM, Janusz Krzysztofik wrote: Obje

[PATCH v5 0/3] drm/i915: Fix VMA UAF on destroy against deactivate race

2024-01-24 Thread Janusz Krzysztofik
Object debugging tools were sporadically reporting illegal attempts to free a still active i915 VMA object when parking a GT 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] [161.360082