[Bug 112313] New: [CI][SHARDS]igt at gem_exec_reuse@contexts - dmesg-warn - cache_from_obj: Wrong slab cache. active_node but object is from kmalloc-\d+

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Nov 18 09:06:15 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=112313

            Bug ID: 112313
           Summary: [CI][SHARDS]igt at gem_exec_reuse@contexts - dmesg-warn -
                    cache_from_obj: Wrong slab cache. active_node but
                    object is from kmalloc-\d+
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         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/IGT_5290/shard-iclb7/igt@gem_exec_reuse@contexts.html
<4> [512.506573] cache_from_obj: Wrong slab cache. active_node but object is
from kmalloc-64
<4> [512.506582] WARNING: CPU: 1 PID: 2545 at mm/slab.h:523
kmem_cache_free+0x374/0x390
<4> [512.506583] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp mei_hdcp snd_hda_intel
snd_intel_dspcfg crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep
snd_hda_core cdc_ether ghash_clmulni_intel usbnet snd_pcm mii e1000e ptp
pps_core mei_me mei thunderbolt prime_numbers
<4> [512.506596] CPU: 1 PID: 2545 Comm: gem_exec_reuse Tainted: G     U        
   5.4.0-rc7-CI-CI_DRM_7357+ #1
<4> [512.506597] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750
06/14/2019
<4> [512.506600] RIP: 0010:kmem_cache_free+0x374/0x390
<4> [512.506601] Code: ff 0f 0b e9 fc fd ff ff 49 8b 4d 58 48 8b 55 58 48 c7 c6
90 8d e1 81 48 c7 c7 48 16 0b 82 c6 05 33 74 0d 01 01 e8 ec 15 e7 ff <0f> 0b 4c
89 ed e9 b1 fc ff ff ba 01 00 00 00 e9 b7 fe ff ff 0f 1f
<4> [512.506603] RSP: 0018:ffffc9000184fb68 EFLAGS: 00010082
<4> [512.506604] RAX: 0000000000000000 RBX: ffff88832a227e40 RCX:
0000000000000002
<4> [512.506605] RDX: 0000000080000002 RSI: 0000000000000000 RDI:
00000000ffffffff
<4> [512.506607] RBP: ffff8884985d49c0 R08: 0000000000000000 R09:
0000000000000001
<4> [512.506608] R10: 0000000030a5050d R11: 00000000fea845a1 R12:
ffff8883aa227e40
<4> [512.506609] R13: ffff88849e00f3c0 R14: 0000000000000007 R15:
7fffffffffffffff
<4> [512.506610] FS:  00007f2bfdc95300(0000) GS:ffff88849fc80000(0000)
knlGS:0000000000000000
<4> [512.506612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [512.506613] CR2: 00007f7a60661538 CR3: 000000047c6d6003 CR4:
0000000000760ee0
<4> [512.506614] PKRU: 55555554
<4> [512.506615] Call Trace:
<4> [512.506659]  __active_retire+0x135/0x250 [i915]
<4> [512.506664]  dma_fence_signal_locked+0x9e/0x1b0
<4> [512.506666]  dma_fence_signal+0x1f/0x40
<4> [512.506703]  i915_request_wait+0x292/0x880 [i915]
<4> [512.506705]  ? dma_resv_get_fences_rcu+0xc4/0x550
<4> [512.506740]  i915_gem_object_wait+0xcc/0x430 [i915]
<4> [512.506774]  i915_gem_wait_ioctl+0xf3/0x270 [i915]
<4> [512.506805]  ? i915_gem_object_wait+0x430/0x430 [i915]
<4> [512.506809]  drm_ioctl_kernel+0xa7/0xf0
<4> [512.506813]  drm_ioctl+0x2e1/0x390
<4> [512.506844]  ? i915_gem_object_wait+0x430/0x430 [i915]
<4> [512.506848]  ? __handle_mm_fault+0x8b1/0xff0
<4> [512.506854]  do_vfs_ioctl+0xa0/0x6f0
<4> [512.506857]  ? __do_page_fault+0x2da/0x4f0
<4> [512.506862]  ksys_ioctl+0x35/0x60
<4> [512.506865]  __x64_sys_ioctl+0x11/0x20
<4> [512.506867]  do_syscall_64+0x4f/0x210
<4> [512.506870]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [512.506872] RIP: 0033:0x7f2bfd3435d7
<4> [512.506873] 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> [512.506875] RSP: 002b:00007ffe7e04e268 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [512.506876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007f2bfd3435d7
<4> [512.506877] RDX: 00007ffe7e04e2a0 RSI: 00000000c010646c RDI:
0000000000000005
<4> [512.506879] RBP: 00007ffe7e04e2a0 R08: 00007ffe7e07c1b0 R09:
00007ffe7e04e2e0
<4> [512.506880] R10: 0000000000000056 R11: 0000000000000246 R12:
00000000c010646c
<4> [512.506881] R13: 0000000000000005 R14: 00007ffe7e04e2a0 R15:
0000000000000004
<4> [512.506887] irq event stamp: 72017198
<4> [512.506890] hardirqs last  enabled at (72017197): [<ffffffff8124020d>]
__slab_alloc.isra.84.constprop.89+0x4d/0x70
<4> [512.506892] hardirqs last disabled at (72017198): [<ffffffff819e8fbd>]
_raw_spin_lock_irqsave+0xd/0x50
<4> [512.506894] softirqs last  enabled at (72016450): [<ffffffff81c00385>]
__do_softirq+0x385/0x47f
<4> [512.506896] softirqs last disabled at (72016443): [<ffffffff810b803a>]
irq_exit+0xba/0xc0
<4> [512.506897] ---[ end trace 147f0731e0a8dd42 ]---
<3> [512.507012]
=============================================================================
<3> [512.507187] BUG kmalloc-64 (Tainted: G     U  W        ): Invalid object
pointer 0x000000008ef4961b
<3> [512.507206]
-----------------------------------------------------------------------------

<4> [512.507226] Disabling lock debugging due to kernel taint
<3> [512.507228] INFO: Slab 0x00000000700d1aaf objects=32 used=32
fp=0x0000000061c35381 flags=0x8000000000010201
<4> [512.507235] CPU: 1 PID: 2545 Comm: gem_exec_reuse Tainted: G    BU  W     
   5.4.0-rc7-CI-CI_DRM_7357+ #1
<4> [512.507236] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750
06/14/2019
<4> [512.507237] Call Trace:
<4> [512.507239]  dump_stack+0x71/0x9b
<4> [512.507241]  slab_err+0xa8/0xd0
<4> [512.507244]  ? free_debug_processing+0x37/0x380
<4> [512.507246]  free_debug_processing+0x201/0x380
<4> [512.507276]  ? __active_retire+0x135/0x250 [i915]
<4> [512.507279]  __slab_free+0x35b/0x520
<4> [512.507281]  ? _raw_spin_unlock_irqrestore+0x39/0x60
<4> [512.507283]  ? debug_check_no_obj_freed+0x11d/0x210
<4> [512.507285]  ? kmem_cache_free+0x31f/0x390
<4> [512.507316]  ? __active_retire+0x135/0x250 [i915]
<4> [512.507317]  kmem_cache_free+0x31f/0x390
<4> [512.507347]  __active_retire+0x135/0x250 [i915]
<4> [512.507349]  dma_fence_signal_locked+0x9e/0x1b0
<4> [512.507351]  dma_fence_signal+0x1f/0x40
<4> [512.507383]  i915_request_wait+0x292/0x880 [i915]
<4> [512.507384]  ? dma_resv_get_fences_rcu+0xc4/0x550
<4> [512.507415]  i915_gem_object_wait+0xcc/0x430 [i915]
<4> [512.507445]  i915_gem_wait_ioctl+0xf3/0x270 [i915]
<4> [512.507474]  ? i915_gem_object_wait+0x430/0x430 [i915]
<4> [512.507476]  drm_ioctl_kernel+0xa7/0xf0
<4> [512.507478]  drm_ioctl+0x2e1/0x390
<4> [512.507506]  ? i915_gem_object_wait+0x430/0x430 [i915]
<4> [512.507508]  ? __handle_mm_fault+0x8b1/0xff0
<4> [512.507511]  do_vfs_ioctl+0xa0/0x6f0
<4> [512.507512]  ? __do_page_fault+0x2da/0x4f0
<4> [512.507515]  ksys_ioctl+0x35/0x60
<4> [512.507517]  __x64_sys_ioctl+0x11/0x20
<4> [512.507518]  do_syscall_64+0x4f/0x210
<4> [512.507519]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [512.507520] RIP: 0033:0x7f2bfd3435d7
<4> [512.507521] 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> [512.507522] RSP: 002b:00007ffe7e04e268 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [512.507523] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007f2bfd3435d7
<4> [512.507523] RDX: 00007ffe7e04e2a0 RSI: 00000000c010646c RDI:
0000000000000005
<4> [512.507524] RBP: 00007ffe7e04e2a0 R08: 00007ffe7e07c1b0 R09:
00007ffe7e04e2e0
<4> [512.507525] R10: 0000000000000056 R11: 0000000000000246 R12:
00000000c010646c
<4> [512.507525] R13: 0000000000000005 R14: 00007ffe7e04e2a0 R15:
0000000000000004
<3> [512.507528] FIX kmalloc-64: Object at 0x000000008ef4961b not freed

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