few tests - abort - BUG kmalloc-1k*Poison overwritten
Stdout
Using IGT_SRANDOM=1716418538 for randomisation
Opened device: /dev/dri/card0
Starting subtest: threads-hang-userptr-rebind
Subtest threads-hang-userptr-rebind: SUCCESS (1.377s)
This test caused an abort condition: Lockdep not active
/proc/lockdep_stats contents:
lock-classes: 2374 [max: 8192]
direct dependencies: 25202 [max: 524288]
indirect dependencies: 192077
all direct dependencies: 574601
dependency chains: 44423 [max: 524288]
dependency chain hlocks used: 182209 [max: 2621440]
dependency chain hlocks lost: 0
in-hardirq chains: 301
in-softirq chains: 643
in-process chains: 43479
stack-trace entries: 252749 [max: 524288]
number of stack traces: 11483
number of stack hash chains: 8295
combined max dependencies: 4161370944
hardirq-safe locks: 117
hardirq-unsafe locks: 1497
softirq-safe locks: 233
softirq-unsafe locks: 1403
irq-safe locks: 250
irq-unsafe locks: 1497
hardirq-read-safe locks: 5
hardirq-read-unsafe locks: 410
softirq-read-safe locks: 9
softirq-read-unsafe locks: 405
irq-read-safe locks: 9
irq-read-unsafe locks: 410
uncategorized locks: 337
unused locks: 1
max locking depth: 17
max bfs queue depth: 373
max lock class index: 2373
chain lookup misses: 45061
chain lookup hits: 285244149
cyclic checks: 44861
redundant checks: 0
redundant links: 0
find-mask forwards checks: 7701
find-mask backwards checks: 3719
hardirq on events: 162687697
hardirq off events: 162687682
redundant hardirq ons: 32
redundant hardirq offs: 27
softirq on events: 807081
softirq off events: 807081
redundant softirq ons: 0
redundant softirq offs: 0
debug_locks: 0
zapped classes: 2
zapped lock chains: 163
large chain blocks: 1
Stderr
Starting subtest: threads-hang-userptr-rebind
Subtest threads-hang-userptr-rebind: SUCCESS (1.377s)
Dmesg
<7> [258.396608] xe 0000:00:02.0: [drm:intel_power_well_disable [xe]] disabling DC_off
<7> [258.396715] xe 0000:00:02.0: [drm:skl_enable_dc6 [xe]] Enabling DC6
<7> [258.396799] xe 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [xe]] Setting DC state from 00 to 02
<6> [258.419422] Console: switching to colour dummy device 80x25
<6> [258.419651] [IGT] xe_exec_threads: executing
<6> [258.434724] [IGT] xe_exec_threads: starting subtest threads-hang-userptr-rebind
<3> [258.486654] =============================================================================
<3> [258.486991] BUG kmalloc-1k (Tainted: G U W ): Poison overwritten
<3> [258.487007] -----------------------------------------------------------------------------
<3> [258.487025] 0xffff8881165471d8-0xffff8881165471d9 @offset=29144. First byte 0x89 instead of 0x6b
<3> [258.487043] Allocated in xe_file_open+0x2c/0x140 [xe] age=1500 cpu=6 pid=1403
<4> [258.487117] kmalloc_trace+0x389/0x3c0
<4> [258.487121] xe_file_open+0x2c/0x140 [xe]
<4> [258.487160] drm_file_alloc+0x1d6/0x2b0 [drm]
<4> [258.487195] drm_open_helper+0x7f/0x160 [drm]
<4> [258.487223] drm_open+0x74/0x120 [drm]
<4> [258.487248] drm_stub_open+0xb0/0x120 [drm]
<4> [258.487272] chrdev_open+0xab/0x1f0
<4> [258.487274] do_dentry_open+0x17b/0x580
<4> [258.487276] vfs_open+0x33/0x40
<4> [258.487279] path_openat+0x6e1/0xa70
<4> [258.487281] do_filp_open+0xb0/0x120
<4> [258.487284] do_sys_openat2+0x250/0x2a0
<4> [258.487286] do_sys_open+0x46/0x80
<4> [258.487288] __x64_sys_openat+0x20/0x30
<4> [258.487290] x64_sys_call+0x1b0c/0x20c0
<4> [258.487293] do_syscall_64+0x88/0x140
<3> [258.487295] Freed in xe_file_close+0x19a/0x1e0 [xe] age=1442 cpu=9 pid=1403
<4> [258.487346] kfree+0x2aa/0x320
<4> [258.487348] xe_file_close+0x19a/0x1e0 [xe]
<4> [258.487385] drm_file_free+0x21a/0x290 [drm]
<4> [258.487410] drm_close_helper.isra.0+0x73/0x80 [drm]
<4> [258.487435] drm_release_noglobal+0x25/0x80 [drm]
<4> [258.487460] __fput+0xb9/0x310
<4> [258.487462] ____fput+0xe/0x20
<4> [258.487464] task_work_run+0x5d/0xa0
<4> [258.487467] do_exit+0x3b0/0xcc0
<4> [258.487469] do_group_exit+0x3a/0xb0
<4> [258.487471] __x64_sys_exit_group+0x18/0x20
<4> [258.487473] x64_sys_call+0x1a0f/0x20c0
<4> [258.487475] do_syscall_64+0x88/0x140
<4> [258.487477] entry_SYSCALL_64_after_hwframe+0x76/0x7e
<3> [258.487479] Slab 0xffffea0004595000 objects=10 used=5 fp=0xffff888116544c00 flags=0x17ffffc0000a40(workingset|slab|head|node=0|zone=2|lastcpupid=0x1fffff)
<3> [258.487506] Object 0xffff888116547000 @offset=28672 fp=0xffff888116544c00
<3> [258.487523] Redzone 00000000: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487540] Redzone 00000010: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487557] Redzone 00000020: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487574] Redzone 00000030: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487591] Redzone 00000040: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487607] Redzone 00000050: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487624] Redzone 00000060: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487641] Redzone 00000070: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487657] Redzone 00000080: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487674] Redzone 00000090: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487691] Redzone 000000a0: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................
<3> [258.487709] Redzone 000000b0: bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................