igt@i915_selftest@live_gt_lrc - fail - BUG ext4_extent_status (Tainted:.*): Redzone overwritten
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7861/fi-bwr-2160/igt@i915_selftest@live_gt_lrc.html
<6> [282.474175] [IGT] i915_selftest: executing
<3> [282.476781] =============================================================================
<3> [282.477149] BUG ext4_extent_status (Tainted: G U ): Redzone overwritten
<3> [282.477227] -----------------------------------------------------------------------------
<4> [282.477319] Disabling lock debugging due to kernel taint
<3> [282.477323] INFO: 0x00000000cb1e8c1d-0x00000000c63a57da @offset=0. First byte 0x40 instead of 0xcc
<3> [282.477348] INFO: Allocated in __es_insert_extent+0xa9/0x360 age=590 cpu=1 pid=325
<3> [282.477366] __slab_alloc.isra.87.constprop.92+0x3d/0x70
<3> [282.477379] kmem_cache_alloc+0x25f/0x2c0
<3> [282.477390] __es_insert_extent+0xa9/0x360
<3> [282.477400] ext4_es_insert_delayed_block+0xba/0x1f0
<3> [282.477413] ext4_da_get_block_prep+0x2b4/0x3b0
<3> [282.477425] __block_write_begin_int+0x181/0x630
<3> [282.477436] ext4_da_write_begin+0x18f/0x480
<3> [282.477449] generic_perform_write+0xb4/0x1c0
<3> [282.477459] ext4_buffered_write_iter+0x98/0x120
<3> [282.477471] ext4_file_write_iter+0x51/0x730
<3> [282.477482] new_sync_write+0x116/0x1b0
<3> [282.477493] vfs_write+0xb9/0x1d0
<3> [282.477503] ksys_write+0x9f/0xe0
<3> [282.477513] do_syscall_64+0x4f/0x220
<3> [282.477525] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<3> [282.477538] INFO: Slab 0x00000000f9df9297 objects=21 used=5 fp=0x000000005d3f1cd9 flags=0x4000000000010201
<3> [282.477558] INFO: Object 0x000000009a32626e @offset=8 fp=0x00000000090a5284
<3> [282.477578] Redzone 00000000: 40 00 00 00 cc cc cc cc @.......
<3> [282.477596] Object 00000000: 01 00 00 00 00 00 00 00 70 44 5b 2b 80 88 ff ff ........pD[+....
<3> [282.477615] Object 00000010: 70 84 7b 39 80 88 ff ff a3 05 00 00 02 00 00 00 p.{9............
<3> [282.477634] Object 00000020: ff ff ff ff ff ff ff a7 ........
<3> [282.477651] Redzone 00000000: cc cc cc cc cc cc cc cc ........
<3> [282.477669] Padding 00000000: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
<4> [282.477689] CPU: 1 PID: 1178 Comm: kworker/u16:26 Tainted: G BU 5.5.0-CI-CI_DRM_7861+ #1
<4> [282.477691] Hardware name: Dell Inc. OptiPlex 745 /0GW726, BIOS 2.3.1 05/21/2007
<4> [282.477697] Workqueue: writeback wb_workfn (flush-8:0)
<4> [282.477700] Call Trace:
<4> [282.477706] dump_stack+0x71/0x9b
<4> [282.477710] check_bytes_and_report+0xe5/0x120
<4> [282.477715] check_object+0x197/0x260
<4> [282.477719] free_debug_processing+0x178/0x490
<4> [282.477722] ? __es_remove_extent+0x2de/0x690
<4> [282.477727] __slab_free+0x348/0x5c0
<4> [282.477730] ? __es_remove_extent+0x2de/0x690
<4> [282.477733] ? mark_held_locks+0x49/0x70
<4> [282.477737] ? _raw_spin_unlock_irqrestore+0x47/0x60
<4> [282.477739] ? _raw_spin_unlock_irqrestore+0x47/0x60
<4> [282.477743] ? _raw_spin_unlock_irqrestore+0x34/0x60
<4> [282.477747] ? debug_check_no_obj_freed+0x11d/0x210
<4> [282.477752] ? __es_remove_extent+0x2de/0x690
<4> [282.477755] ? kmem_cache_free+0x254/0x3d0
<4> [282.477757] ? __es_remove_extent+0x2de/0x690
<4> [282.477760] kmem_cache_free+0x254/0x3d0
<4> [282.477764] __es_remove_extent+0x2de/0x690
<4> [282.477773] ext4_es_insert_extent+0xcd/0x390
<4> [282.477780] ext4_map_blocks+0x18d/0x5e0
<4> [282.477783] ? kmem_cache_alloc+0x291/0x2c0
<4> [282.477789] ext4_writepages+0xac0/0x12b0
<4> [282.477793] ? __wb_update_bandwidth+0x200/0x200
<4> [282.477808] ? do_writepages+0x46/0xe0
<4> [282.477811] ? ext4_mark_inode_dirty+0x260/0x260
<4> [282.477813] do_writepages+0x46/0xe0
<4> [282.477820] ? __writeback_single_inode+0x4f/0x620
<4> [282.477823] __writeback_single_inode+0x4f/0x620
<4> [282.477828] writeback_sb_inodes+0x253/0x570
<4> [282.477838] __writeback_inodes_wb+0x58/0xa0
<4> [282.477843] wb_writeback+0x33f/0x4a0
<4> [282.477848] ? startup_64+0x2/0x30
<4> [282.477853] ? wb_workfn+0x3e8/0x5d0
<4> [282.477856] wb_workfn+0x3e8/0x5d0
<4> [282.477864] process_one_work+0x26a/0x620
<4> [282.477871] worker_thread+0x37/0x380
<4> [282.477875] ? process_one_work+0x620/0x620
<4> [282.477877] kthread+0x119/0x130
<4> [282.477880] ? kthread_park+0x80/0x80
<4> [282.477884] ret_from_fork+0x3a/0x50
<3> [282.477893] FIX ext4_extent_status: Restoring 0x00000000cb1e8c1d-0x00000000c63a57da=0xcc
<3> [282.477966] FIX ext4_extent_status: Object at 0x000000009a32626e not freed
````