[Bug 110364] New: [CI][DRMTIP] igt at gem_ppgtt@blt-vs-render-ctxn - dmesg-fail - BUG kmalloc-4k (Tainted.*): Poison overwritten

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110364

            Bug ID: 110364
           Summary: [CI][DRMTIP] igt at gem_ppgtt@blt-vs-render-ctxn -
                    dmesg-fail -  BUG kmalloc-4k (Tainted.*): Poison
                    overwritten
           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_250/fi-icl-y/igt@gem_ppgtt@blt-vs-render-ctxn.html

<6> [440.748701] Console: switching to colour dummy device 80x25
<6> [440.748750] [IGT] gem_ppgtt: executing
<6> [440.752909] [IGT] gem_ppgtt: starting subtest blt-vs-render-ctxN
<7> [441.753574] [drm:intel_edp_drrs_downclock_work [i915]] eDP Refresh Rate
set to : 40Hz
<7> [443.498643] [drm:edp_panel_vdd_off_sync [i915]] Turning eDP port A VDD off
<7> [443.498823] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008
PP_CONTROL: 0x00000067
<7> [443.498869] [drm:intel_power_well_disable [i915]] disabling DC off
<7> [443.498916] [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [443.498958] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<3> [458.547413]
=============================================================================
<3> [458.547897] BUG kmalloc-4k (Tainted: G     U           ): Poison
overwritten
<3> [458.547967]
-----------------------------------------------------------------------------

<4> [458.548061] Disabling lock debugging due to kernel taint
<4> [458.548064] irq event stamp: 1656572
<3> [458.548069] INFO: 0x00000000b3d04456-0x0000000003c0a452. First byte 0x69
instead of 0x6b
<4> [458.548079] hardirqs last  enabled at (1656571): [<ffffffffb09b4d9c>]
_raw_spin_unlock_irqrestore+0x4c/0x60
<4> [458.548085] hardirqs last disabled at (1656572): [<ffffffffb09b4c0d>]
_raw_spin_lock_irqsave+0xd/0x50
<3> [458.548110] INFO: Slab 0x00000000af2732a9 objects=7 used=7 fp=0x         
(null) flags=0x8000000000010200
<4> [458.548117] softirqs last  enabled at (1656084): [<ffffffffb0c0033a>]
__do_softirq+0x33a/0x4b9
<3> [458.548143] INFO: Object 0x00000000db9be65c @offset=8872
fp=0x0000000092d2f87a

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