Bug 110352

Summary:	[CI][BAT] igt@runner@aborted - fail - Previous test: gem_exec_suspend (basic-s4-devices), TAINT_BAD_PAGE: Bad page reference or an unexpected page flags.
Product:	DRI	Reporter:	Martin Peres <martin.peres>
Component:	DRM/Intel	Assignee:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Status:	RESOLVED DUPLICATE	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	normal
Priority:	highest	CC:	intel-gfx-bugs
Version:	XOrg git
Hardware:	Other
OS:	All
Whiteboard:	ReadyForDev
i915 platform:	BSW/CHT	i915 features:	GEM/Other

Description Martin Peres 2019-04-08 09:52:54 UTC

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5886/fi-bsw-kefka/igt@runner@aborted.html

<7>[   96.556164] [IGT] gem_exec_suspend: executing
<3>[   96.610140] =============================================================================
<3>[   96.610203] BUG kmalloc-4k (Tainted: G     U           ): Poison overwritten
<3>[   96.610248] -----------------------------------------------------------------------------

<4>[   96.610308] Disabling lock debugging due to kernel taint
<3>[   96.610313] INFO: 0x00000000d085ca8e-0x00000000fd56a258. First byte 0xa2 instead of 0x6b
<3>[   96.610344] INFO: Allocated in __alloc_skb+0x72/0x1b0 age=2468 cpu=1 pid=2243
<3>[   96.610367] 	__kmalloc_track_caller+0x29c/0x2e0
<3>[   96.610382] 	__kmalloc_reserve.isra.10+0x24/0x70
<3>[   96.610397] 	__alloc_skb+0x72/0x1b0
<3>[   96.610409] 	__netdev_alloc_skb+0x35/0x110
<3>[   96.610428] 	rx_submit+0x3d/0x2e0 [usbnet]
<3>[   96.610444] 	rx_alloc_submit+0x3b/0x60 [usbnet]
<3>[   96.610460] 	usbnet_resume+0x246/0x24b [usbnet]
<3>[   96.610477] 	usb_resume_interface.isra.1+0x3a/0xf0
<3>[   96.610493] 	usb_resume_both+0xe3/0x130
<3>[   96.610505] 	usb_resume+0x11/0x60
<3>[   96.610520] 	dpm_run_callback+0x64/0x280
<3>[   96.610534] 	device_resume+0xb3/0x1e0
<3>[   96.610548] 	async_resume+0x14/0x40
<3>[   96.610562] 	async_run_entry_fn+0x34/0x160
<3>[   96.610577] 	process_one_work+0x245/0x610
<3>[   96.610591] 	worker_thread+0x37/0x380
<3>[   96.610605] INFO: Freed in consume_skb+0x3d/0x120 age=2394 cpu=0 pid=2252
<3>[   96.610627] 	usbnet_bh+0xb9/0x2b0 [usbnet]
<3>[   96.610643] 	tasklet_action_common.isra.5+0x47/0xb0
<3>[   96.610659] 	__do_softirq+0xd8/0x4b9
<3>[   96.610672] 	irq_exit+0xa9/0xc0
<3>[   96.610684] 	do_IRQ+0x9a/0x130
<3>[   96.610697] 	ret_from_intr+0x0/0x1d
<3>[   96.610710] 	_raw_spin_unlock_irqrestore+0x4e/0x60
<3>[   96.610727] 	usb_hcd_unlink_urb+0x60/0xf0
<3>[   96.610743] 	unlink_urbs.isra.4+0x88/0xd0 [usbnet]
<3>[   96.610760] 	__handle_link_change.part.6+0x52/0x60 [usbnet]
<3>[   96.610779] 	usbnet_deferred_kevent+0x2b7/0x370 [usbnet]
<3>[   96.610796] 	process_one_work+0x245/0x610
<3>[   96.610809] 	worker_thread+0x37/0x380
<3>[   96.610823] 	kthread+0x119/0x130
<3>[   96.610835] 	ret_from_fork+0x3a/0x50
<3>[   96.610849] INFO: Slab 0x00000000dac9305e objects=7 used=7 fp=0x          (null) flags=0x8000000000010200
<3>[   96.610875] INFO: Object 0x00000000ab12eb2f @offset=4440 fp=0x00000000a95acf9c

<3>[   96.610902] Redzone 0000000048899854: bb bb bb bb bb bb bb bb                          ........
<3>[   96.610926] Object 00000000ab12eb2f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.610952] Object 000000003deec83a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.610978] Object 0000000099b7d80b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611003] Object 00000000942cceaa: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611029] Object 00000000d085ca8e: a2 00 5d ff 00 50 b6 ca 22 31 68 05 ca 2f 15 dd  ..]..P.."1h../..
<3>[   96.611054] Object 00000000997338c0: 08 00 45 00 00 94 e7 e1 40 00 3f 06 3e 9b 0a ed  ..E.....@.?.>...
<3>[   96.611080] Object 000000001aa42766: 48 24 c0 a8 01 2e dd 74 00 16 e4 37 4b e5 ac 9e  H$.....t...7K...
<3>[   96.611106] Object 000000005827b12b: db 49 80 18 05 a4 69 15 00 00 01 01 08 0a 80 ab  .I....i.........
<3>[   96.611131] Object 000000002e2eafc9: 6c f8 bd 01 94 3f c7 2f 9b b4 e9 6e a1 8f ee cc  l....?./...n....
<3>[   96.611157] Object 0000000006ef07b2: ec 38 7a a7 88 a3 90 12 12 6e f0 8c 89 2d f3 1d  .8z......n...-..
<3>[   96.611182] Object 00000000547cbb44: 79 8b ad 79 ae 93 29 a8 6d dd 0f ed 78 c8 26 9d  y..y..).m...x.&.
<3>[   96.611208] Object 000000005c52cbd8: 08 4f 75 ea 4d e4 d3 68 f9 69 4f ff 64 1c 34 1e  .Ou.M..h.iO.d.4.
<3>[   96.611233] Object 000000007dbfcd14: a9 d2 a1 5c c7 bf 8b f8 8f c1 75 2a e9 c5 bf 8d  ...\......u*....
<3>[   96.611259] Object 000000001f9e1cd2: 1a 4b ba cc 28 a4 49 49 da c0 62 2d 43 c2 9c cf  .K..(.II..b-C...
<3>[   96.611285] Object 000000007892a8f2: cc b6 1c 2f 0a 84 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  .../..kkkkkkkkkk
<3>[   96.611310] Object 000000007ef0115a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611335] Object 000000006cbe9053: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611361] Object 00000000ee5817ff: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611386] Object 0000000010610d7b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611412] Object 000000008f9da394: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611437] Object 000000007b0e217e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611463] Object 000000009a7bc088: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611488] Object 00000000c8402da0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611514] Object 00000000177c4eb7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611539] Object 0000000043f58b8b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611565] Object 000000007d0276a8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611590] Object 00000000e49b0276: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611615] Object 00000000bb41cd05: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611641] Object 0000000091aed91f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611666] Object 00000000a1aa2247: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611692] Object 00000000f8d8312d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611717] Object 000000005b17244c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611743] Object 000000005cb5f4dc: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611768] Object 0000000071ce3192: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611794] Object 00000000b5e8cffc: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611819] Object 00000000a6509e27: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611844] Object 0000000036bd3337: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611870] Object 00000000587504bf: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611895] Object 000000002a957b49: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611921] Object 000000007538e6f7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611946] Object 000000006394f9bd: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611972] Object 00000000d0f2f4b9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.611997] Object 000000005fdce4a2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612023] Object 000000000629030f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612048] Object 00000000fb57be9d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612073] Object 000000000cdd6c64: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612099] Object 0000000094ecb792: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612124] Object 0000000003556c30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612150] Object 000000000d526367: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612175] Object 00000000126df6f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612201] Object 000000008c59c523: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612226] Object 0000000027f37bae: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612252] Object 00000000f09ac4f8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612277] Object 00000000c0a6f29b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612302] Object 0000000056bfaf4d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612328] Object 00000000d230da3d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612353] Object 000000008377b324: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612379] Object 000000006a75969a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612404] Object 0000000093662c15: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612430] Object 00000000918a3be9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612455] Object 000000009474433e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612480] Object 000000002b28d448: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612506] Object 00000000f7fd5f2d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612531] Object 0000000051f66af5: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612557] Object 000000009d5f363f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612582] Object 00000000432aa099: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612608] Object 0000000041248a7b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612633] Object 000000008ccee804: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612659] Object 000000003b9b6cb2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612684] Object 0000000032562356: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612710] Object 00000000cd835642: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612735] Object 00000000e1161b84: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612760] Object 00000000dc8b80da: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612786] Object 000000006a1dcec2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612811] Object 0000000062518033: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612837] Object 000000002fa22357: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612862] Object 00000000b156df5f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612888] Object 00000000e7186aae: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612913] Object 000000009f3f01eb: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612939] Object 00000000615b949f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612964] Object 00000000b5ebaa18: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.612990] Object 0000000055651001: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613015] Object 00000000c2c4a3ba: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613040] Object 000000006087e641: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613066] Object 00000000dc28ee31: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613091] Object 0000000022edfe96: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613117] Object 00000000a52161d8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613142] Object 000000009363acc1: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613168] Object 000000005ddd4d6b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613193] Object 000000004e590c9e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613219] Object 0000000068711802: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613244] Object 00000000d84b736c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613270] Object 000000008bd055ad: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613295] Object 00000000fb69720c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613321] Object 000000007b720e42: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613346] Object 00000000b5fc2041: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613371] Object 0000000069b0d55d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613397] Object 0000000087014c46: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613422] Object 00000000c13e15c9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613448] Object 00000000f2eb3504: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613473] Object 00000000484d60cd: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613499] Object 000000001a83e73b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613524] Object 000000005a05c05b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613550] Object 00000000d194bf0c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613575] Object 00000000730436ba: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613601] Object 00000000e40fa0ee: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613626] Object 00000000b2740554: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613651] Object 000000001c024002: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.613677] Object 00000000a45ac4c4: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
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<3>[   96.617065] Object 00000000cda1b0f9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617090] Object 000000001b9617e9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617116] Object 00000000a7e3e93b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617141] Object 000000006888e497: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617167] Object 000000009da15a1a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617192] Object 00000000b8600e02: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617218] Object 000000000e02b4db: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617243] Object 00000000a33bce6d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617269] Object 000000003b4b419c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617294] Object 000000006fdaea34: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617320] Object 0000000052c92146: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617345] Object 000000000d702648: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617371] Object 0000000075c14432: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617396] Object 0000000013489a9b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
<3>[   96.617422] Object 00000000a2609453: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  kkkkkkkkkkkkkkk.
<3>[   96.617447] Redzone 00000000ddc21f02: bb bb bb bb bb bb bb bb                          ........
<3>[   96.617472] Padding 00000000594d1ebb: 5a 5a 5a 5a 5a 5a 5a 5a                          ZZZZZZZZ
<4>[   96.617498] CPU: 1 PID: 2262 Comm: gem_exec_suspen Tainted: G    BU            5.1.0-rc3-CI-CI_DRM_5886+ #2
<4>[   96.617501] Hardware name: GOOGLE Kefka/Kefka, BIOS MrChromebox 02/04/2018
<4>[   96.617503] Call Trace:
<4>[   96.617511]  dump_stack+0x67/0x9b
<4>[   96.617516]  check_bytes_and_report+0xbd/0x100
<4>[   96.617523]  check_object+0x237/0x280
<4>[   96.617530]  ? kernfs_iop_get_link+0x3b/0x1d0
<4>[   96.617534]  alloc_debug_processing+0x183/0x190
<4>[   96.617539]  ___slab_alloc.constprop.35+0x355/0x380
<4>[   96.617543]  ? kernfs_iop_get_link+0x3b/0x1d0
<4>[   96.617552]  ? kernfs_iop_get_link+0x3b/0x1d0
<4>[   96.617556]  ? __slab_alloc.isra.28.constprop.34+0x3d/0x70
<4>[   96.617560]  __slab_alloc.isra.28.constprop.34+0x3d/0x70
<4>[   96.617565]  ? kernfs_iop_get_link+0x3b/0x1d0
<4>[   96.617568]  kmem_cache_alloc_trace+0x225/0x290
<4>[   96.617574]  ? __kernfs_create_file+0xf0/0xf0
<4>[   96.617578]  kernfs_iop_get_link+0x3b/0x1d0
<4>[   96.617584]  ? __kernfs_create_file+0xf0/0xf0
<4>[   96.617588]  trailing_symlink+0x188/0x210
<4>[   96.617594]  path_lookupat+0x76/0x200
<4>[   96.617598]  ? ___slab_alloc.constprop.35+0x21c/0x380
<4>[   96.617602]  ? ___slab_alloc.constprop.35+0x21c/0x380
<4>[   96.617608]  filename_lookup+0xb1/0x140
<4>[   96.617619]  ? rcu_read_lock_sched_held+0x6f/0x80
<4>[   96.617622]  ? kmem_cache_alloc+0x24d/0x280
<4>[   96.617632]  ? do_faccessat+0xa2/0x230
<4>[   96.617636]  do_faccessat+0xa2/0x230
<4>[   96.617641]  ? lockdep_hardirqs_off+0x79/0xd0
<4>[   96.617646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
<4>[   96.617651]  do_syscall_64+0x55/0x190
<4>[   96.617656]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[   96.617660] RIP: 0033:0x7f1f1e919247
<4>[   96.617664] Code: 77 09 f3 c3 0f 1f 80 00 00 00 00 48 8b 15 39 ac 2d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 0f 1f 40 00 b8 15 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 09 f3 c3 0f 1f 80 00 00 00 00 48 8b 15 09 ac
<4>[   96.617667] RSP: 002b:00007ffd44ed7038 EFLAGS: 00000202 ORIG_RAX: 0000000000000015
<4>[   96.617671] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f1e919247
<4>[   96.617673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd44ed7120
<4>[   96.617676] RBP: 00007ffd44ed7100 R08: 0000000000000000 R09: 0000000000000000
<4>[   96.617678] R10: 0000000000000054 R11: 0000000000000202 R12: 0000561178167420
<4>[   96.617681] R13: 00007ffd44ed87a0 R14: 0000000000000000 R15: 0000000000000000
<3>[   96.617692] FIX kmalloc-4k: Restoring 0x00000000d085ca8e-0x00000000fd56a258=0x6b

<3>[   96.617718] FIX kmalloc-4k: Marking all objects used
<5>[   96.620090] Setting dangerous option reset - tainting kernel
<7>[   96.634823] [IGT] gem_exec_suspend: starting subtest basic-S4-devices

Comment 1 Martin Peres 2019-04-08 09:54:46 UTC

The failure actually happened at the end of igt@gem_exec_suspend@basic-s3.

I did not file the bug straight to kernel.org, because there is a chance this is a GEM-induced corruption.

Comment 2 CI Bug Log 2019-04-08 09:58:27 UTC

The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* BSW: igt@runner@aborted - fail - Previous test: gem_exec_suspend (basic-s[34].*), Kernel badly tainted (0x60)
  - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5886/fi-bsw-kefka/igt@runner@aborted.html

Comment 3 Chris Wilson 2019-04-08 10:25:47 UTC

I would say this looks pretty clear cut as a use-after-free of the skb.

Comment 4 Francesco Balestrieri 2019-04-11 07:57:15 UTC


*** This bug has been marked as a duplicate of bug 108930 ***

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