Hay
Date
June 8, 2025, 11:09 p.m.

Environment
e850-96
qemu-arm64
qemu-x86_64
rk3399-rock-pi-4b

[   33.954495] ==================================================================
[   33.958010] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   33.964949] Free of addr ffff0008048e0001 by task kunit_try_catch/258
[   33.971374] 
[   33.972860] CPU: 2 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT 
[   33.972921] Tainted: [B]=BAD_PAGE, [N]=TEST
[   33.972938] Hardware name: WinLink E850-96 board (DT)
[   33.972962] Call trace:
[   33.972977]  show_stack+0x20/0x38 (C)
[   33.973014]  dump_stack_lvl+0x8c/0xd0
[   33.973052]  print_report+0x118/0x608
[   33.973087]  kasan_report_invalid_free+0xc0/0xe8
[   33.973125]  check_slab_allocation+0xfc/0x108
[   33.973161]  __kasan_slab_pre_free+0x2c/0x48
[   33.973194]  kmem_cache_free+0xf0/0x468
[   33.973228]  kmem_cache_invalid_free+0x184/0x3c8
[   33.973260]  kunit_try_run_case+0x170/0x3f0
[   33.973298]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   33.973336]  kthread+0x328/0x630
[   33.973364]  ret_from_fork+0x10/0x20
[   33.973404] 
[   34.044808] Allocated by task 258:
[   34.048195]  kasan_save_stack+0x3c/0x68
[   34.052012]  kasan_save_track+0x20/0x40
[   34.055833]  kasan_save_alloc_info+0x40/0x58
[   34.060084]  __kasan_slab_alloc+0xa8/0xb0
[   34.064077]  kmem_cache_alloc_noprof+0x10c/0x398
[   34.068678]  kmem_cache_invalid_free+0x12c/0x3c8
[   34.073279]  kunit_try_run_case+0x170/0x3f0
[   34.077445]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   34.082914]  kthread+0x328/0x630
[   34.086126]  ret_from_fork+0x10/0x20
[   34.089685] 
[   34.091163] The buggy address belongs to the object at ffff0008048e0000
[   34.091163]  which belongs to the cache test_cache of size 200
[   34.103577] The buggy address is located 1 bytes inside of
[   34.103577]  200-byte region [ffff0008048e0000, ffff0008048e00c8)
[   34.115118] 
[   34.116598] The buggy address belongs to the physical page:
[   34.122154] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8848e0
[   34.130137] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   34.137777] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   34.144721] page_type: f5(slab)
[   34.147859] raw: 0bfffe0000000040 ffff000801d92a00 dead000000000122 0000000000000000
[   34.155576] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   34.163304] head: 0bfffe0000000040 ffff000801d92a00 dead000000000122 0000000000000000
[   34.171114] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   34.178927] head: 0bfffe0000000001 fffffdffe0123801 00000000ffffffff 00000000ffffffff
[   34.186739] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   34.194544] page dumped because: kasan: bad access detected
[   34.200100] 
[   34.201575] Memory state around the buggy address:
[   34.206358]  ffff0008048dff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   34.213558]  ffff0008048dff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   34.220763] >ffff0008048e0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   34.227964]                    ^
[   34.231180]  ffff0008048e0080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   34.238384]  ffff0008048e0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   34.245587] ==================================================================

[   26.573240] ==================================================================
[   26.573379] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   26.573520] Free of addr fff00000c6426001 by task kunit_try_catch/211
[   26.573627] 
[   26.573823] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT 
[   26.574111] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.574310] Hardware name: linux,dummy-virt (DT)
[   26.574399] Call trace:
[   26.574460]  show_stack+0x20/0x38 (C)
[   26.574589]  dump_stack_lvl+0x8c/0xd0
[   26.574718]  print_report+0x118/0x608
[   26.574848]  kasan_report_invalid_free+0xc0/0xe8
[   26.575003]  check_slab_allocation+0xfc/0x108
[   26.575161]  __kasan_slab_pre_free+0x2c/0x48
[   26.575320]  kmem_cache_free+0xf0/0x468
[   26.575578]  kmem_cache_invalid_free+0x184/0x3c8
[   26.575771]  kunit_try_run_case+0x170/0x3f0
[   26.576099]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.576600]  kthread+0x328/0x630
[   26.576846]  ret_from_fork+0x10/0x20
[   26.577272] 
[   26.577430] Allocated by task 211:
[   26.577827]  kasan_save_stack+0x3c/0x68
[   26.578003]  kasan_save_track+0x20/0x40
[   26.578490]  kasan_save_alloc_info+0x40/0x58
[   26.578597]  __kasan_slab_alloc+0xa8/0xb0
[   26.579708]  kmem_cache_alloc_noprof+0x10c/0x398
[   26.580429]  kmem_cache_invalid_free+0x12c/0x3c8
[   26.580851]  kunit_try_run_case+0x170/0x3f0
[   26.581034]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.581507]  kthread+0x328/0x630
[   26.581763]  ret_from_fork+0x10/0x20
[   26.582000] 
[   26.582209] The buggy address belongs to the object at fff00000c6426000
[   26.582209]  which belongs to the cache test_cache of size 200
[   26.582484] The buggy address is located 1 bytes inside of
[   26.582484]  200-byte region [fff00000c6426000, fff00000c64260c8)
[   26.582644] 
[   26.582701] The buggy address belongs to the physical page:
[   26.582777] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106426
[   26.582927] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   26.583063] page_type: f5(slab)
[   26.583166] raw: 0bfffe0000000000 fff00000c569f8c0 dead000000000122 0000000000000000
[   26.583299] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   26.583404] page dumped because: kasan: bad access detected
[   26.583485] 
[   26.583542] Memory state around the buggy address:
[   26.583702]  fff00000c6425f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.583812]  fff00000c6425f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.583918] >fff00000c6426000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.584043]                    ^
[   26.584252]  fff00000c6426080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   26.584364]  fff00000c6426100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.584461] ==================================================================

[   26.851704] ==================================================================
[   26.853233] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   26.853732] Free of addr fff00000c770c001 by task kunit_try_catch/211
[   26.853863] 
[   26.853959] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT 
[   26.854207] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.854277] Hardware name: linux,dummy-virt (DT)
[   26.854501] Call trace:
[   26.854669]  show_stack+0x20/0x38 (C)
[   26.854806]  dump_stack_lvl+0x8c/0xd0
[   26.854953]  print_report+0x118/0x608
[   26.855128]  kasan_report_invalid_free+0xc0/0xe8
[   26.855261]  check_slab_allocation+0xfc/0x108
[   26.855387]  __kasan_slab_pre_free+0x2c/0x48
[   26.855504]  kmem_cache_free+0xf0/0x468
[   26.855622]  kmem_cache_invalid_free+0x184/0x3c8
[   26.855745]  kunit_try_run_case+0x170/0x3f0
[   26.856674]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.857149]  kthread+0x328/0x630
[   26.857559]  ret_from_fork+0x10/0x20
[   26.857682] 
[   26.857728] Allocated by task 211:
[   26.857801]  kasan_save_stack+0x3c/0x68
[   26.857922]  kasan_save_track+0x20/0x40
[   26.860100]  kasan_save_alloc_info+0x40/0x58
[   26.860511]  __kasan_slab_alloc+0xa8/0xb0
[   26.861023]  kmem_cache_alloc_noprof+0x10c/0x398
[   26.861179]  kmem_cache_invalid_free+0x12c/0x3c8
[   26.861567]  kunit_try_run_case+0x170/0x3f0
[   26.862703]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.863325]  kthread+0x328/0x630
[   26.863418]  ret_from_fork+0x10/0x20
[   26.863510] 
[   26.863557] The buggy address belongs to the object at fff00000c770c000
[   26.863557]  which belongs to the cache test_cache of size 200
[   26.863702] The buggy address is located 1 bytes inside of
[   26.863702]  200-byte region [fff00000c770c000, fff00000c770c0c8)
[   26.866263] 
[   26.866717] The buggy address belongs to the physical page:
[   26.867155] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10770c
[   26.867298] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   26.867420] page_type: f5(slab)
[   26.867521] raw: 0bfffe0000000000 fff00000c1725dc0 dead000000000122 0000000000000000
[   26.869802] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   26.870330] page dumped because: kasan: bad access detected
[   26.870893] 
[   26.871365] Memory state around the buggy address:
[   26.871451]  fff00000c770bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   26.871558]  fff00000c770bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   26.872901] >fff00000c770c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.873387]                    ^
[   26.873493]  fff00000c770c080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   26.873957]  fff00000c770c100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.874294] ==================================================================

[   20.258439] ==================================================================
[   20.259310] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460
[   20.260617] Free of addr ffff8881039d2001 by task kunit_try_catch/229
[   20.262595] 
[   20.263156] CPU: 0 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT(voluntary) 
[   20.263392] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.263436] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   20.263518] Call Trace:
[   20.263569]  <TASK>
[   20.263620]  dump_stack_lvl+0x73/0xb0
[   20.263820]  print_report+0xd1/0x650
[   20.263908]  ? __virt_addr_valid+0x1db/0x2d0
[   20.263950]  ? kasan_complete_mode_report_info+0x2a/0x200
[   20.263982]  ? kmem_cache_invalid_free+0x1d8/0x460
[   20.264018]  kasan_report_invalid_free+0x10a/0x130
[   20.264052]  ? kmem_cache_invalid_free+0x1d8/0x460
[   20.264090]  ? kmem_cache_invalid_free+0x1d8/0x460
[   20.264125]  check_slab_allocation+0x11f/0x130
[   20.264155]  __kasan_slab_pre_free+0x28/0x40
[   20.264184]  kmem_cache_free+0xed/0x420
[   20.264218]  ? kmem_cache_alloc_noprof+0x123/0x3f0
[   20.264284]  ? kmem_cache_invalid_free+0x1d8/0x460
[   20.264326]  kmem_cache_invalid_free+0x1d8/0x460
[   20.264362]  ? __pfx_kmem_cache_invalid_free+0x10/0x10
[   20.264396]  ? finish_task_switch.isra.0+0x153/0x700
[   20.264428]  ? __switch_to+0x47/0xf50
[   20.264469]  ? __pfx_read_tsc+0x10/0x10
[   20.264523]  ? ktime_get_ts64+0x86/0x230
[   20.264607]  kunit_try_run_case+0x1a5/0x480
[   20.264691]  ? __pfx_kunit_try_run_case+0x10/0x10
[   20.264759]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   20.264801]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   20.264834]  ? __kthread_parkme+0x82/0x180
[   20.264862]  ? preempt_count_sub+0x50/0x80
[   20.264894]  ? __pfx_kunit_try_run_case+0x10/0x10
[   20.264928]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   20.264961]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   20.264994]  kthread+0x337/0x6f0
[   20.265021]  ? trace_preempt_on+0x20/0xc0
[   20.265055]  ? __pfx_kthread+0x10/0x10
[   20.265083]  ? _raw_spin_unlock_irq+0x47/0x80
[   20.265113]  ? calculate_sigpending+0x7b/0xa0
[   20.265147]  ? __pfx_kthread+0x10/0x10
[   20.265175]  ret_from_fork+0x116/0x1d0
[   20.265201]  ? __pfx_kthread+0x10/0x10
[   20.265242]  ret_from_fork_asm+0x1a/0x30
[   20.265306]  </TASK>
[   20.265322] 
[   20.287982] Allocated by task 229:
[   20.288387]  kasan_save_stack+0x45/0x70
[   20.289024]  kasan_save_track+0x18/0x40
[   20.289482]  kasan_save_alloc_info+0x3b/0x50
[   20.290249]  __kasan_slab_alloc+0x91/0xa0
[   20.291275]  kmem_cache_alloc_noprof+0x123/0x3f0
[   20.291675]  kmem_cache_invalid_free+0x157/0x460
[   20.292145]  kunit_try_run_case+0x1a5/0x480
[   20.292609]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   20.293067]  kthread+0x337/0x6f0
[   20.293437]  ret_from_fork+0x116/0x1d0
[   20.294305]  ret_from_fork_asm+0x1a/0x30
[   20.295396] 
[   20.295832] The buggy address belongs to the object at ffff8881039d2000
[   20.295832]  which belongs to the cache test_cache of size 200
[   20.296969] The buggy address is located 1 bytes inside of
[   20.296969]  200-byte region [ffff8881039d2000, ffff8881039d20c8)
[   20.298251] 
[   20.298524] The buggy address belongs to the physical page:
[   20.299556] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039d2
[   20.300437] flags: 0x200000000000000(node=0|zone=2)
[   20.300909] page_type: f5(slab)
[   20.301229] raw: 0200000000000000 ffff888101678640 dead000000000122 0000000000000000
[   20.301889] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   20.302456] page dumped because: kasan: bad access detected
[   20.303864] 
[   20.304058] Memory state around the buggy address:
[   20.304707]  ffff8881039d1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.305353]  ffff8881039d1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.306075] >ffff8881039d2000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   20.307284]                    ^
[   20.307567]  ffff8881039d2080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   20.308422]  ffff8881039d2100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.309140] ==================================================================

[   19.138137] ==================================================================
[   19.139867] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460
[   19.141374] Free of addr ffff88810330b001 by task kunit_try_catch/229
[   19.142067] 
[   19.142701] CPU: 0 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT(voluntary) 
[   19.142828] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.142865] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.142950] Call Trace:
[   19.142990]  <TASK>
[   19.143038]  dump_stack_lvl+0x73/0xb0
[   19.143128]  print_report+0xd1/0x650
[   19.143209]  ? __virt_addr_valid+0x1db/0x2d0
[   19.143291]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.143363]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.143410]  kasan_report_invalid_free+0x10a/0x130
[   19.143447]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.143486]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.143543]  check_slab_allocation+0x11f/0x130
[   19.143621]  __kasan_slab_pre_free+0x28/0x40
[   19.143667]  kmem_cache_free+0xed/0x420
[   19.143698]  ? kmem_cache_alloc_noprof+0x123/0x3f0
[   19.143728]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.143766]  kmem_cache_invalid_free+0x1d8/0x460
[   19.143801]  ? __pfx_kmem_cache_invalid_free+0x10/0x10
[   19.143835]  ? finish_task_switch.isra.0+0x153/0x700
[   19.143866]  ? __switch_to+0x47/0xf50
[   19.143935]  ? __pfx_read_tsc+0x10/0x10
[   19.143968]  ? ktime_get_ts64+0x86/0x230
[   19.144003]  kunit_try_run_case+0x1a5/0x480
[   19.144040]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.144073]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   19.144123]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.144172]  ? __kthread_parkme+0x82/0x180
[   19.144200]  ? preempt_count_sub+0x50/0x80
[   19.144231]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.144265]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.144298]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.144331]  kthread+0x337/0x6f0
[   19.144358]  ? trace_preempt_on+0x20/0xc0
[   19.144392]  ? __pfx_kthread+0x10/0x10
[   19.144421]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.144452]  ? calculate_sigpending+0x7b/0xa0
[   19.144488]  ? __pfx_kthread+0x10/0x10
[   19.144533]  ret_from_fork+0x116/0x1d0
[   19.144602]  ? __pfx_kthread+0x10/0x10
[   19.144674]  ret_from_fork_asm+0x1a/0x30
[   19.144722]  </TASK>
[   19.144737] 
[   19.166148] Allocated by task 229:
[   19.166551]  kasan_save_stack+0x45/0x70
[   19.167086]  kasan_save_track+0x18/0x40
[   19.167508]  kasan_save_alloc_info+0x3b/0x50
[   19.168017]  __kasan_slab_alloc+0x91/0xa0
[   19.168397]  kmem_cache_alloc_noprof+0x123/0x3f0
[   19.169030]  kmem_cache_invalid_free+0x157/0x460
[   19.169629]  kunit_try_run_case+0x1a5/0x480
[   19.170046]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.170490]  kthread+0x337/0x6f0
[   19.170962]  ret_from_fork+0x116/0x1d0
[   19.171471]  ret_from_fork_asm+0x1a/0x30
[   19.171972] 
[   19.172265] The buggy address belongs to the object at ffff88810330b000
[   19.172265]  which belongs to the cache test_cache of size 200
[   19.173324] The buggy address is located 1 bytes inside of
[   19.173324]  200-byte region [ffff88810330b000, ffff88810330b0c8)
[   19.174211] 
[   19.174475] The buggy address belongs to the physical page:
[   19.175287] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10330b
[   19.176002] flags: 0x200000000000000(node=0|zone=2)
[   19.176629] page_type: f5(slab)
[   19.177142] raw: 0200000000000000 ffff888101affa00 dead000000000122 0000000000000000
[   19.177702] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   19.178410] page dumped because: kasan: bad access detected
[   19.178991] 
[   19.179284] Memory state around the buggy address:
[   19.179933]  ffff88810330af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.180669]  ffff88810330af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.181227] >ffff88810330b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.181896]                    ^
[   19.182222]  ffff88810330b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   19.183173]  ffff88810330b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.184050] ==================================================================

[   21.251417] ==================================================================
[   21.252511] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   21.253179] Free of addr ffff00000e044001 by task kunit_try_catch/264
[   21.253776] 
[   21.253941] CPU: 2 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT 
[   21.253991] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.254005] Hardware name: Radxa ROCK Pi 4B (DT)
[   21.254023] Call trace:
[   21.254035]  show_stack+0x20/0x38 (C)
[   21.254069]  dump_stack_lvl+0x8c/0xd0
[   21.254105]  print_report+0x118/0x608
[   21.254138]  kasan_report_invalid_free+0xc0/0xe8
[   21.254173]  check_slab_allocation+0xfc/0x108
[   21.254205]  __kasan_slab_pre_free+0x2c/0x48
[   21.254238]  kmem_cache_free+0xf0/0x468
[   21.254270]  kmem_cache_invalid_free+0x184/0x3c8
[   21.254301]  kunit_try_run_case+0x170/0x3f0
[   21.254336]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.254375]  kthread+0x328/0x630
[   21.254401]  ret_from_fork+0x10/0x20
[   21.254433] 
[   21.260825] Allocated by task 264:
[   21.261152]  kasan_save_stack+0x3c/0x68
[   21.261530]  kasan_save_track+0x20/0x40
[   21.261905]  kasan_save_alloc_info+0x40/0x58
[   21.262321]  __kasan_slab_alloc+0xa8/0xb0
[   21.262712]  kmem_cache_alloc_noprof+0x10c/0x398
[   21.263158]  kmem_cache_invalid_free+0x12c/0x3c8
[   21.263601]  kunit_try_run_case+0x170/0x3f0
[   21.264007]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.264531]  kthread+0x328/0x630
[   21.264847]  ret_from_fork+0x10/0x20
[   21.265196] 
[   21.265350] The buggy address belongs to the object at ffff00000e044000
[   21.265350]  which belongs to the cache test_cache of size 200
[   21.266473] The buggy address is located 1 bytes inside of
[   21.266473]  200-byte region [ffff00000e044000, ffff00000e0440c8)
[   21.267523] 
[   21.267677] The buggy address belongs to the physical page:
[   21.268192] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe044
[   21.268915] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   21.269621] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   21.270272] page_type: f5(slab)
[   21.270585] raw: 03fffe0000000040 ffff00000e042000 dead000000000122 0000000000000000
[   21.271301] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   21.272016] head: 03fffe0000000040 ffff00000e042000 dead000000000122 0000000000000000
[   21.272740] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   21.273463] head: 03fffe0000000001 fffffdffc0381101 00000000ffffffff 00000000ffffffff
[   21.274186] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   21.274901] page dumped because: kasan: bad access detected
[   21.275415] 
[   21.275567] Memory state around the buggy address:
[   21.276015]  ffff00000e043f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.276681]  ffff00000e043f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.277347] >ffff00000e044000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   21.278008]                    ^
[   21.278319]  ffff00000e044080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   21.278985]  ffff00000e044100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.279646] ==================================================================