igt@gem_sync@basic-many-each - incomplete - RIP: 0010:dma_resv_get_fences
6> [187.515682] Console: switching to colour dummy device 80x25
<6> [187.517041] [IGT] gem_sync: executing
<7> [187.536343] i915 0000:00:02.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 1 created
<7> [187.536793] i915 0000:00:02.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 1 created
<6> [187.551235] [IGT] gem_sync: starting subtest basic-many-each
<1> [188.935462] BUG: kernel NULL pointer dereference, address: 0000000000000010
<1> [188.935485] #PF: supervisor write access in kernel mode
<1> [188.935495] #PF: error_code(0x0002) - not-present page
<6> [188.935504] PGD 0 P4D 0
<4> [188.935512] Oops: 0002 [#1] PREEMPT SMP NOPTI
<4> [188.935521] CPU: 2 PID: 1467 Comm: gem_sync Not tainted 5.15.0-rc4-CI-Patchwork_21264+ #1
<4> [188.935535] Hardware name: /NUC6CAYB, BIOS AYAPLCEL.86A.0049.2018.0508.1356 05/08/2018
<4> [188.935546] RIP: 0010:dma_resv_get_fences+0x116/0x2d0
<4> [188.935560] Code: 10 85 c0 7f c9 be 03 00 00 00 e8 15 8b df ff eb bd e8 8e c6 ff ff eb b6 41 8b 04 24 49 8b 55 00 48 89 e7 8d 48 01 41 89 0c 24 <4c> 89 34 c2 e8 41 f2 ff ff 49 89 c6 48 85 c0 75 8c 48 8b 44 24 10
<4> [188.935583] RSP: 0018:ffffc900011dbcc8 EFLAGS: 00010202
<4> [188.935593] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000001
<4> [188.935603] RDX: 0000000000000010 RSI: ffffffff822e343c RDI: ffffc900011dbcc8
<4> [188.935613] RBP: ffffc900011dbd48 R08: ffff88812d255bb8 R09: 00000000fffffffe
<4> [188.935623] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc900011dbd44
<4> [188.935633] R13: ffffc900011dbd50 R14: ffff888113d29cc0 R15: 0000000000000000
<4> [188.935643] FS: 00007f68d17e9700(0000) GS:ffff888277900000(0000) knlGS:0000000000000000
<4> [188.935655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [188.935665] CR2: 0000000000000010 CR3: 000000012d0a4000 CR4: 00000000003506e0
<4> [188.935676] Call Trace:
<4> [188.935685] i915_gem_object_wait+0x1ff/0x410 [i915]
<4> [188.935988] i915_gem_wait_ioctl+0xf2/0x2a0 [i915]
<4> [188.936272] ? i915_gem_object_wait+0x410/0x410 [i915]
<4> [188.936533] drm_ioctl_kernel+0xae/0x140
<4> [188.936546] drm_ioctl+0x201/0x3d0
<4> [188.936555] ? i915_gem_object_wait+0x410/0x410 [i915]
<4> [188.936820] ? __fget_files+0xc2/0x1c0
<4> [188.936830] ? __fget_files+0xda/0x1c0
<4> [188.936839] __x64_sys_ioctl+0x6d/0xa0
<4> [188.936848] do_syscall_64+0x3a/0xb0
<4> [188.936859] entry_SYSCALL_64_after_hwframe+0x44/0xae
<4> [188.936870] RIP: 0033:0x7f68e67335d7
<4> [188.936880] Code: b3 66 90 48 8b 05 b1 48 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 81 48 2d 00 f7 d8 64 89 01 48
<4> [188.936904] RSP: 002b:00007f68d17e8be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [188.936917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68e67335d7
<4> [188.936927] RDX: 00007f68d17e8c20 RSI: 00000000c010646c RDI: 0000000000000006
<4> [188.936937] RBP: 00007f68d17e8c20 R08: 0000000000000000 R09: 0000000000000000
<4> [188.936947] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c010646c
<4> [188.936957] R13: 0000000000000006 R14: 00007f68d17e8c20 R15: 00007ffd6f5d2910
<4> [188.936972] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mei_hdcp i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep r8169 snd_hda_core lpc_ich snd_pcm mei_me realtek ttm mei intel_lpss_pci prime_numbers pinctrl_broxton
<4> [188.937045] CR2: 0000000000000010