igt@gem_exec_fence@long-history - dmesg-warn - general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6b7b, RIP: 0010:dma_resv_iter_first_unlocked

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12151/re-dg2-14/igt@gem_exec_fence@long-history.html#dmesg-warnings197

<7> [238.187723] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<4> [238.188043] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6b7b: 0000 [#1] PREEMPT SMP NOPTI
<3> [238.188910] =============================================================================
<7> [238.193050] i915 0000:03:00.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<7> [238.198613] i915 0000:03:00.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<4> [238.198891] CPU: 2 PID: 8 Comm: kworker/u16:0 Not tainted 6.0.0-rc5-CI_DRM_12151-g4f26414e4247+ #1
<4> [238.198893] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake H DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.4064.A00.2102041619 02/04/2021
<4> [238.198894] Workqueue: i915 __i915_gem_free_work [i915]
<7> [238.199337] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.199971] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.200630] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.201294] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.201933] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.202582] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.203230] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.203845] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.204487] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.205139] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.205243] i915 0000:03:00.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<7> [238.205872] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.206543] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<3> [238.207075] BUG kmalloc-2k (Not tainted): Poison overwritten
<4> [238.207078] 
<3> [238.207083] -----------------------------------------------------------------------------
<4> [238.207087] RIP: 0010:dma_resv_iter_first_unlocked+0x4b/0x200
<3> [238.207096] 0xffff888107596a28-0xffff888107596a28 @offset=27176. First byte 0x6a instead of 0x6b
<3> [238.207098] Allocated in gen8_ppgtt_create+0x2a/0x630 [i915] age=23 cpu=0 pid=1646
<7> [238.207239] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.207883] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.208540] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.209174] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.209788] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.210433] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.211056] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.211709] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.211810] i915 0000:03:00.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<7> [238.212474] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.213132] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.213745] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.214407] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<7> [238.215042] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)
<4> [238.215691] Code: 31 f6 48 c7 c7 60 79 73 82 e8 41 bb 98 ff e8 cc 0f 9b ff 5a 84 c0 75 50 e9 4c 01 00 00 4c 89 63 20 4d 85 e4 0f 84 b4 00 00 00 <41> 8b 44 24 10 c6 43 2c 01 48 89 df 89 43 28 e8 e1 fd ff ff 48 8b
<4> [238.215693] RSP: 0018:ffffc9000012bd60 EFLAGS: 00010202
<4> [238.215694] RAX: 0000000000000001 RBX: ffffc9000012bd80 RCX: 00000000ffffffff
<4> [238.215695] RDX: 0000000000000000 RSI: ffffffff822ebf9c RDI: ffffffff82348627
<4> [238.215699]  __slab_alloc.isra.77.constprop.85+0x3d/0x70
<4> [238.215703] RBP: ffffc9000012bd70 R08: 0000000000000001 R09: 00000000fffffffe
<4> [238.215708]  kmem_cache_alloc_trace+0x247/0x260
<4> [238.215712] R10: 0000000000000001 R11: 00000000014a018d R12: 6b6b6b6b6b6b6b6b
<4> [238.215716]  gen8_ppgtt_create+0x2a/0x630 [i915]
<7> [238.215698] i915 0000:03:00.0: [drm:i915_gem_create_context [i915]] PPGTT setup failed (-12)