[Bug 108374] New: [CI][DRMTIP] igt at kms_atomic_transition@plane-all-modeset-transition-fencing - dmesg-warn - BUG kmalloc-32: Padding overwritten

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108374

            Bug ID: 108374
           Summary: [CI][DRMTIP]
                    igt at kms_atomic_transition@plane-all-modeset-transition
                    -fencing - dmesg-warn - BUG kmalloc-32: Padding
                    overwritten
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        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_126/fi-cfl-8109u/igt@kms_atomic_transition@plane-all-modeset-transition-fencing.html

<3> [162.602334]
=============================================================================
<3> [162.602416] BUG kmalloc-32 (Tainted: G     U           ): Padding
overwritten. 0x000000008f9ea00a-0x000000006fb3e264
<3> [162.602419]
-----------------------------------------------------------------------------\x0a
<4> [162.602422] Disabling lock debugging due to kernel taint
<3> [162.602423] INFO: Slab 0x0000000054bd7562 objects=22 used=22 fp=0x        
 (null) flags=0x8000000000008100
<4> [162.602427] CPU: 3 PID: 1275 Comm: kms_atomic_tran Tainted: G    BU       
    4.19.0-rc7-gdec9886eff39-drmtip_126+ #1
<4> [162.602428] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS
BECFL357.86A.0037.2018.0614.2204 06/14/2018
<4> [162.602429] Call Trace:
<4> [162.602434]  dump_stack+0x67/0x9b
<4> [162.602437]  slab_err+0xa8/0xd0
<4> [162.602440]  ? _raw_spin_unlock+0x29/0x40
<4> [162.602442]  ? get_partial_node.isra.29+0x1f6/0x460
<4> [162.602445]  slab_pad_check.part.11+0xd5/0x150
<4> [162.602448]  ? drm_mode_atomic_ioctl+0x31e/0x930
<4> [162.602449]  check_slab+0x59/0xb0
<4> [162.602451]  alloc_debug_processing+0x97/0x190
<4> [162.602453]  ___slab_alloc.constprop.34+0x35a/0x390
<4> [162.602455]  ? drm_mode_atomic_ioctl+0x31e/0x930
<4> [162.602458]  ? __lock_is_held+0x6b/0xb0
<4> [162.602460]  ? drm_mode_atomic_ioctl+0x31e/0x930
<4> [162.602462]  ? __slab_alloc.isra.27.constprop.33+0x3d/0x70
<4> [162.602463]  __slab_alloc.isra.27.constprop.33+0x3d/0x70
<4> [162.602465]  ? drm_mode_atomic_ioctl+0x31e/0x930
<4> [162.602466]  __kmalloc_track_caller+0x29c/0x2e0
<4> [162.602469]  krealloc+0x4b/0xc0
<4> [162.602471]  drm_mode_atomic_ioctl+0x31e/0x930
<4> [162.602476]  ? drm_atomic_set_property+0x880/0x880
<4> [162.602478]  drm_ioctl_kernel+0x81/0xf0
<4> [162.602480]  drm_ioctl+0x2e6/0x3a0
<4> [162.602482]  ? drm_atomic_set_property+0x880/0x880
<4> [162.602485]  ? lock_acquire+0xa6/0x1c0
<4> [162.602488]  do_vfs_ioctl+0xa0/0x6d0
<4> [162.602490]  ? __fget+0xfc/0x1e0
<4> [162.602492]  ksys_ioctl+0x35/0x60
<4> [162.602494]  __x64_sys_ioctl+0x11/0x20
<4> [162.602496]  do_syscall_64+0x55/0x190
<4> [162.602498]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [162.602500] RIP: 0033:0x7f927cd795d7
<4> [162.602501] 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> [162.602502] RSP: 002b:00007ffc3d5aae88 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [162.602504] RAX: ffffffffffffffda RBX: 0000563eaf5267e0 RCX:
00007f927cd795d7
<4> [162.602505] RDX: 00007ffc3d5aaee0 RSI: 00000000c03864bc RDI:
0000000000000005
<4> [162.602506] RBP: 00007ffc3d5aaee0 R08: 0000563eaf552c30 R09:
000000000000002d
<4> [162.602507] R10: 0000000000000003 R11: 0000000000000246 R12:
00000000c03864bc
<4> [162.602507] R13: 0000000000000005 R14: 0000000000000001 R15:
0000000000000400
<3> [162.602511] Padding 000000008f9ea00a: ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff  ................
<3> [162.602513] Padding 000000001ff4d10b: ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff  ................
<3> [162.602514] Padding 00000000edf03905: ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff  ................
<3> [162.602516] Padding 000000003542217c: ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff  ................
<3> [162.602517] Padding 0000000007fddfb2: ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff  ................
<3> [162.602519] Padding 00000000e3bf9aab: ff ff ff ff 00 00 00 00 00 00 00 00
00 00 00 00  ................
<3> [162.602520] FIX kmalloc-32: Restoring
0x000000008f9ea00a-0x000000006fb3e264=0x5a\x0a

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