[Bug 111381] New: [CI][DRMTIP] igt at sw_sync@sync_multi_producer_single_consumer - incomplete - BUG: kernel NULL pointer dereference, address: 0000000000000000

Mon Aug 12 14:04:48 UTC 2019

https://bugs.freedesktop.org/show_bug.cgi?id=111381

            Bug ID: 111381
           Summary: [CI][DRMTIP]
                    igt at sw_sync@sync_multi_producer_single_consumer -
                    incomplete - BUG: kernel NULL pointer dereference,
                    address: 0000000000000000
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_341/fi-cfl-8109u/igt@sw_sync@sync_multi_producer_single_consumer.html
<6> [303.027820] Console: switching to colour dummy device 80x25
<6> [303.027989] [IGT] sw_sync: executing
<6> [303.041820] [IGT] sw_sync: starting subtest
sync_multi_producer_single_consumer
<1> [303.379711] BUG: kernel NULL pointer dereference, address:
0000000000000000
<1> [303.379721] #PF: supervisor read access in kernel mode
<1> [303.379728] #PF: error_code(0x0000) - not-present page
<6> [303.379734] PGD 0 P4D 0 
<4> [303.379739] Oops: 0000 [#1] PREEMPT SMP PTI
<4> [303.379746] CPU: 3 PID: 1287 Comm: sw_sync Tainted: G     U           
5.3.0-rc3-gc590f3dd9c36-drmtip_341+ #1
<4> [303.379756] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS
BECFL357.86A.0056.2018.1128.1717 11/28/2018
<4> [303.379769] RIP: 0010:dma_fence_signal_locked+0x3e/0x1d0
<4> [303.379776] Code: c0 75 7c 4d 85 ed 0f 84 a4 00 00 00 f0 49 0f ba 6d 38 00
41 bf ea ff ff ff 0f 83 b3 00 00 00 49 8b 5d 10 4d 8d 75 10 4c 39 f3 <4c> 8b 23
48 89 dd 74 3f 48 89 ef e8 72 49 e3 ff 84 c0 74 0e 48 8b
<4> [303.379791] RSP: 0018:ffffb14bc096bd78 EFLAGS: 00010017
<4> [303.379796] RAX: 0000000000000001 RBX: 0000000000000000 RCX:
0000000000000001
<4> [303.379801] RDX: ffff95de6c485040 RSI: 00000000ffffffff RDI:
0000000000000046
<4> [303.379808] RBP: ffff95de644fd0c8 R08: 0000000000000000 R09:
0000000000000001
<4> [303.379816] R10: 000000003345050d R11: 0000000000000000 R12:
ffff95de644fd078
<4> [303.379823] R13: ffff95de64a68008 R14: ffff95de64a68018 R15:
0000000000000000
<4> [303.379831] FS:  00007f663d899700(0000) GS:ffff95de75b80000(0000)
knlGS:0000000000000000
<4> [303.379837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [303.379842] CR2: 0000000000000000 CR3: 00000002a3400001 CR4:
00000000003606e0
<4> [303.379848] Call Trace:
<4> [303.379854]  sync_timeline_signal+0xa3/0x1a0
<4> [303.379859]  sw_sync_ioctl+0x1a8/0x330
<4> [303.379866]  do_vfs_ioctl+0xa0/0x6f0
<4> [303.379872]  ? __fget+0x10f/0x200
<4> [303.379877]  ksys_ioctl+0x35/0x60
<4> [303.379882]  __x64_sys_ioctl+0x11/0x20
<4> [303.379888]  do_syscall_64+0x55/0x1c0
<4> [303.379894]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [303.379901] RIP: 0033:0x7f6649f5a5d7
<4> [303.379907] 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> [303.379925] RSP: 002b:00007f663d898c18 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [303.379934] RAX: ffffffffffffffda RBX: 0000000000000440 RCX:
00007f6649f5a5d7
<4> [303.379941] RDX: 00007f663d898c5c RSI: 0000000040045701 RDI:
0000000000000007
<4> [303.379949] RBP: 00007f663d898c5c R08: 0000000000000000 R09:
00007f663d899700
<4> [303.379957] R10: 0000000000000056 R11: 0000000000000246 R12:
0000000040045701
<4> [303.379964] R13: 0000000000000007 R14: 0000000000001000 R15:
00007fff0fc1cd34
<4> [303.379975] Modules linked in: mei_hdcp snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 snd_hda_intel
x86_pkg_temp_thermal snd_intel_nhlt coretemp e1000e crct10dif_pclmul
snd_hda_codec crc32_pclmul btusb btrtl btbcm ghash_clmulni_intel snd_hwdep
btintel snd_hda_core bluetooth snd_pcm ptp pps_core ecdh_generic ecc mei_me mei
prime_numbers
<0> [303.380016] Dumping ftrace buffer:

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