igt@gem_busy@close-race - incomplete - general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6ba0, RIP: 0010:dma_resv_iter_walk_unlocked.part

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11653/shard-tglu-3/igt@gem_busy@close-race.html

<6> [101.844874] [IGT] gem_busy: starting subtest close-race
<7> [101.844926] i915 0000:00:02.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<7> [101.845039] i915 0000:00:02.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 2 created
<6> [101.872517] gem_busy (1050): drop_caches: 4
<5> [103.508638] sched: RT throttling activated
<4> [112.517686] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6ba0: 0000 [#1] PREEMPT SMP NOPTI
<4> [112.517700] CPU: 6 PID: 1055 Comm: gem_busy Not tainted 5.18.0-rc6-CI_DRM_11653-g27e8bf178b49+ #1
<4> [112.517709] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4> [112.517716] RIP: 0010:dma_resv_iter_walk_unlocked.part.12+0x5e/0x1b0
<4> [112.517726] Code: 75 1c 3b 75 28 0f 83 03 01 00 00 8d 46 01 48 8b 55 00 48 8b 7d 20 48 8d 4d 10 89 45 1c 4c 8d 45 18 e8 66 fa ff ff 48 8b 5d 10 <8b> 53 38 48 8d 7b 38 85 d2 74 7e 8d 4a 01 89 d0 f0 0f b1 4b 38 75
<4> [112.517739] RSP: 0018:ffffc90001133d10 EFLAGS: 00010206
<4> [112.517746] RAX: 6b6b6b6b6b6b6b68 RBX: 6b6b6b6b6b6b6b68 RCX: 00000000ffffffff
<4> [112.517752] RDX: 0000000000000000 RSI: ffffffff822e5af0 RDI: ffffffff8233fd9f
<4> [112.517757] RBP: ffffc90001133d58 R08: ffffc90001133d70 R09: 00000000fffffffe
<4> [112.517763] R10: 0000000000000001 R11: 0000000013113d27 R12: 00000000ffffffff
<4> [112.517769] R13: ffffffffa05a6109 R14: ffff88812791b800 R15: ffffffffa072e508
<4> [112.517775] FS:  00007f350fa3c500(0000) GS:ffff8884a0100000(0000) knlGS:0000000000000000
<4> [112.517782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [112.517787] CR2: 00007f83cd4e61f8 CR3: 00000001110bc004 CR4: 0000000000770ee0
<4> [112.517793] PKRU: 55555554
<4> [112.517796] Call Trace:
<4> [112.517799]  <TASK>
<4> [112.517803]  dma_resv_iter_first_unlocked+0x5f/0x200
<4> [112.517810]  i915_gem_busy_ioctl+0xbc/0x830 [i915]
<4> [112.517953]  ? intel_gt_gmch_gen5_enable_hw+0x20/0x20 [i915]
<4> [112.518066]  drm_ioctl_kernel+0xac/0x140
<4> [112.518072]  drm_ioctl+0x201/0x3d0
<4> [112.518077]  ? intel_gt_gmch_gen5_enable_hw+0x20/0x20 [i915]
<4> [112.518186]  ? lockdep_hardirqs_on+0xbf/0x130
<4> [112.518193]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20
<4> [112.518201]  __x64_sys_ioctl+0x6a/0xa0
<4> [112.518208]  do_syscall_64+0x37/0x80
<4> [112.518213]  entry_SYSCALL_64_after_hwframe+0x44/0xae
<4> [112.518219] RIP: 0033:0x7f350e516317
<4> [112.518224] Code: b3 66 90 48 8b 05 71 4b 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 41 4b 2d 00 f7 d8 64 89 01 48
<4> [112.518237] RSP: 002b:00007fffac7a2b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [112.518244] RAX: ffffffffffffffda RBX: 00007fffac7a2bc0 RCX: 00007f350e516317
<4> [112.518250] RDX: 00007fffac7a2e48 RSI: 00000000c0086457 RDI: 0000000000000006
<4> [112.518256] RBP: 00007fffac7a2e48 R08: 0000000000000000 R09: 00007f350ea1a2b0
<4> [112.518261] R10: 0000000000000057 R11: 0000000000000246 R12: 00000000c0086457
<4> [112.518267] R13: 0000000000000006 R14: 00007f350fa6f000 R15: 00007fffac7a2bf0
<4> [112.518275]  </TASK>
<4> [112.518278] Modules linked in: vgem drm_shmem_helper amdgpu drm_ttm_helper gpu_sched snd_hda_codec_hdmi i915 mei_hdcp x86_pkg_temp_thermal coretemp kvm_intel btusb btrtl btbcm kvm ttm btintel drm_buddy snd_hda_intel drm_display_helper irqbypass bluetooth crct10dif_pclmul snd_intel_dspcfg drm_kms_helper crc32_pclmul igc snd_hda_codec ghash_clmulni_intel syscopyarea snd_hwdep ecdh_generic ecc ptp sysfillrect snd_hda_core mei_me pps_core sysimgblt fb_sys_fops snd_pcm mei prime_numbers intel_lpss_pci
<4> [112.518342] ---[ end trace 0000000000000000 ]---