igt@kms_vblank@pipe-b-ts-continuation-dpms-suspend - incomplete - BUG kmalloc-1k (Not tainted): Redzone overwritten
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_633/fi-bwr-2160/igt@kms_vblank@pipe-b-ts-continuation-dpms-suspend.html
<3> [238.141588] =============================================================================
<3> [238.141758] BUG kmalloc-1k (Not tainted): Redzone overwritten
<3> [238.141763] -----------------------------------------------------------------------------
<4> [238.141767] Disabling lock debugging due to kernel taint
<3> [238.141772] INFO: 0x00000000704b5e51-0x00000000b6c772d1 @offset=13104. First byte 0x0 instead of 0xcc
<3> [238.141779] INFO: Allocated in alloc_desc.isra.24+0x2c/0x1e0 age=176394 cpu=0 pid=948
<3> [238.141783] __slab_alloc.isra.86.constprop.94+0x3d/0x70
<3> [238.141786] kmem_cache_alloc_trace+0x705/0x790
<3> [238.141788] alloc_desc.isra.24+0x2c/0x1e0
<3> [238.141792] __irq_alloc_descs+0x157/0x1f0
<3> [238.141795] __irq_domain_alloc_irqs+0x1c6/0x2a0
<3> [238.141797] msi_domain_alloc_irqs+0x98/0x300
<3> [238.141801] native_setup_msi_irqs+0x4f/0x80
<3> [238.141805] __pci_enable_msi_range+0x25f/0x430
<3> [238.141807] pci_enable_msi+0x11/0x20
<3> [238.141813] azx_resume+0x14b/0x1a0 [snd_hda_intel]
<3> [238.141817] dpm_run_callback+0x64/0x280
<3> [238.141819] device_resume+0xd4/0x1c0
<3> [238.141822] async_resume+0x14/0x40
<3> [238.141824] async_run_entry_fn+0x34/0x160
<3> [238.141827] process_one_work+0x268/0x600
<3> [238.141830] worker_thread+0x37/0x370
<3> [238.141834] INFO: Freed in do_syslog+0x820/0x8d0 age=181562 cpu=0 pid=250
<3> [238.141836] do_syslog+0x820/0x8d0
<3> [238.141840] kmsg_read+0x3c/0x50
<3> [238.141843] vfs_read+0xb2/0x1c0
<3> [238.141845] ksys_read+0xa2/0xe0
<3> [238.141848] do_syscall_64+0x33/0x80
<3> [238.141851] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<3> [238.141854] INFO: Slab 0x000000007d33404b objects=10 used=7 fp=0x000000002c729f94 flags=0x4000000000010201
<3> [238.141856] INFO: Object 0x000000008e1dcf60 @offset=13312 fp=0x0000000000000000
<3> [238.141859] Redzone 00000000: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................