Hay
Date
June 7, 2025, 10:40 a.m.

Environment
qemu-arm64
qemu-x86_64

[   24.760148] ==================================================================
[   24.761337] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   24.761996] Read of size 1 at addr fff00000c6592001 by task kunit_try_catch/212
[   24.763183] 
[   24.763459] CPU: 0 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   24.763564] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.763600] Hardware name: linux,dummy-virt (DT)
[   24.763639] Call trace:
[   24.763667]  show_stack+0x20/0x38 (C)
[   24.763731]  dump_stack_lvl+0x8c/0xd0
[   24.763791]  print_report+0x118/0x608
[   24.763848]  kasan_report+0xdc/0x128
[   24.763954]  __asan_report_load1_noabort+0x20/0x30
[   24.764097]  mempool_oob_right_helper+0x2ac/0x2f0
[   24.764244]  mempool_kmalloc_large_oob_right+0xc4/0x120
[   24.764392]  kunit_try_run_case+0x170/0x3f0
[   24.764528]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.764681]  kthread+0x318/0x620
[   24.764814]  ret_from_fork+0x10/0x20
[   24.764967] 
[   24.770941] The buggy address belongs to the physical page:
[   24.771452] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106590
[   24.772451] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   24.773355] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   24.774140] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   24.775636] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   24.776422] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   24.777255] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   24.778088] head: 0bfffe0000000002 ffffc1ffc3196401 ffffffffffffffff 0000000000000000
[   24.778836] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   24.779617] page dumped because: kasan: bad access detected
[   24.780208] 
[   24.780507] Memory state around the buggy address:
[   24.781081]  fff00000c6591f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.781686]  fff00000c6591f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.782582] >fff00000c6592000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.783290]                    ^
[   24.783765]  fff00000c6592080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.784509]  fff00000c6592100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.785288] ==================================================================
[   24.714131] ==================================================================
[   24.715113] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   24.715829] Read of size 1 at addr fff00000c6331f73 by task kunit_try_catch/210
[   24.716647] 
[   24.716989] CPU: 0 UID: 0 PID: 210 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   24.717269] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.717347] Hardware name: linux,dummy-virt (DT)
[   24.717436] Call trace:
[   24.717499]  show_stack+0x20/0x38 (C)
[   24.717629]  dump_stack_lvl+0x8c/0xd0
[   24.717756]  print_report+0x118/0x608
[   24.717869]  kasan_report+0xdc/0x128
[   24.718002]  __asan_report_load1_noabort+0x20/0x30
[   24.718126]  mempool_oob_right_helper+0x2ac/0x2f0
[   24.718278]  mempool_kmalloc_oob_right+0xc4/0x120
[   24.718416]  kunit_try_run_case+0x170/0x3f0
[   24.718555]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.718690]  kthread+0x318/0x620
[   24.718756]  ret_from_fork+0x10/0x20
[   24.718816] 
[   24.725945] Allocated by task 210:
[   24.726561]  kasan_save_stack+0x3c/0x68
[   24.727069]  kasan_save_track+0x20/0x40
[   24.727560]  kasan_save_alloc_info+0x40/0x58
[   24.728115]  __kasan_mempool_unpoison_object+0x11c/0x180
[   24.728721]  remove_element+0x130/0x1f8
[   24.729755]  mempool_alloc_preallocated+0x58/0xc0
[   24.730206]  mempool_oob_right_helper+0x98/0x2f0
[   24.730771]  mempool_kmalloc_oob_right+0xc4/0x120
[   24.731404]  kunit_try_run_case+0x170/0x3f0
[   24.731912]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.732414]  kthread+0x318/0x620
[   24.732879]  ret_from_fork+0x10/0x20
[   24.733468] 
[   24.733779] The buggy address belongs to the object at fff00000c6331f00
[   24.733779]  which belongs to the cache kmalloc-128 of size 128
[   24.735046] The buggy address is located 0 bytes to the right of
[   24.735046]  allocated 115-byte region [fff00000c6331f00, fff00000c6331f73)
[   24.736312] 
[   24.736645] The buggy address belongs to the physical page:
[   24.738010] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106331
[   24.739103] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   24.739921] page_type: f5(slab)
[   24.740323] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   24.741033] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   24.742496] page dumped because: kasan: bad access detected
[   24.743262] 
[   24.743651] Memory state around the buggy address:
[   24.744412]  fff00000c6331e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.745468]  fff00000c6331e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.746413] >fff00000c6331f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   24.747266]                                                              ^
[   24.748117]  fff00000c6331f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.748997]  fff00000c6332000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.749950] ==================================================================
[   24.795750] ==================================================================
[   24.796829] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   24.797597] Read of size 1 at addr fff00000c64cf2bb by task kunit_try_catch/214
[   24.799227] 
[   24.799556] CPU: 0 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   24.799764] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.799843] Hardware name: linux,dummy-virt (DT)
[   24.799945] Call trace:
[   24.800007]  show_stack+0x20/0x38 (C)
[   24.800102]  dump_stack_lvl+0x8c/0xd0
[   24.800165]  print_report+0x118/0x608
[   24.800222]  kasan_report+0xdc/0x128
[   24.800276]  __asan_report_load1_noabort+0x20/0x30
[   24.800335]  mempool_oob_right_helper+0x2ac/0x2f0
[   24.800392]  mempool_slab_oob_right+0xc0/0x118
[   24.800450]  kunit_try_run_case+0x170/0x3f0
[   24.800508]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.800571]  kthread+0x318/0x620
[   24.800626]  ret_from_fork+0x10/0x20
[   24.800684] 
[   24.806714] Allocated by task 214:
[   24.807202]  kasan_save_stack+0x3c/0x68
[   24.807774]  kasan_save_track+0x20/0x40
[   24.808949]  kasan_save_alloc_info+0x40/0x58
[   24.809536]  __kasan_mempool_unpoison_object+0xbc/0x180
[   24.810086]  remove_element+0x16c/0x1f8
[   24.810632]  mempool_alloc_preallocated+0x58/0xc0
[   24.811206]  mempool_oob_right_helper+0x98/0x2f0
[   24.811795]  mempool_slab_oob_right+0xc0/0x118
[   24.812360]  kunit_try_run_case+0x170/0x3f0
[   24.812865]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.813524]  kthread+0x318/0x620
[   24.813977]  ret_from_fork+0x10/0x20
[   24.814493] 
[   24.814791] The buggy address belongs to the object at fff00000c64cf240
[   24.814791]  which belongs to the cache test_cache of size 123
[   24.815901] The buggy address is located 0 bytes to the right of
[   24.815901]  allocated 123-byte region [fff00000c64cf240, fff00000c64cf2bb)
[   24.817050] 
[   24.817343] The buggy address belongs to the physical page:
[   24.818005] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064cf
[   24.818842] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   24.819628] page_type: f5(slab)
[   24.820086] raw: 0bfffe0000000000 fff00000c1bcadc0 dead000000000122 0000000000000000
[   24.820826] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000
[   24.821679] page dumped because: kasan: bad access detected
[   24.822345] 
[   24.822669] Memory state around the buggy address:
[   24.823313]  fff00000c64cf180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.824118]  fff00000c64cf200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   24.824850] >fff00000c64cf280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   24.825539]                                         ^
[   24.826126]  fff00000c64cf300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.826851]  fff00000c64cf380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.827578] ==================================================================

[   19.523340] ==================================================================
[   19.524030] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   19.524911] Read of size 1 at addr ffff88810298d2bb by task kunit_try_catch/233
[   19.525812] 
[   19.526132] CPU: 1 UID: 0 PID: 233 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   19.526263] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.526339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.526413] Call Trace:
[   19.526928]  <TASK>
[   19.526973]  dump_stack_lvl+0x73/0xb0
[   19.527074]  print_report+0xd1/0x650
[   19.527125]  ? __virt_addr_valid+0x1db/0x2d0
[   19.527180]  ? mempool_oob_right_helper+0x31a/0x380
[   19.527233]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.527295]  ? mempool_oob_right_helper+0x31a/0x380
[   19.527348]  kasan_report+0x140/0x180
[   19.527409]  ? mempool_oob_right_helper+0x31a/0x380
[   19.527474]  __asan_report_load1_noabort+0x18/0x20
[   19.527533]  mempool_oob_right_helper+0x31a/0x380
[   19.527586]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   19.527637]  ? finish_task_switch.isra.0+0x153/0x700
[   19.527676]  mempool_slab_oob_right+0xee/0x140
[   19.527720]  ? __pfx_mempool_slab_oob_right+0x10/0x10
[   19.527753]  ? __pfx_mempool_alloc_slab+0x10/0x10
[   19.527782]  ? __pfx_mempool_free_slab+0x10/0x10
[   19.527810]  ? __pfx_read_tsc+0x10/0x10
[   19.527838]  ? ktime_get_ts64+0x86/0x230
[   19.527894]  kunit_try_run_case+0x1a6/0x480
[   19.527927]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.527954]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   19.527986]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.528016]  ? __kthread_parkme+0x82/0x160
[   19.528045]  ? preempt_count_sub+0x50/0x80
[   19.528076]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.528103]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.528136]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.528167]  kthread+0x324/0x6e0
[   19.528194]  ? trace_preempt_on+0x20/0xc0
[   19.528225]  ? __pfx_kthread+0x10/0x10
[   19.528253]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.528280]  ? calculate_sigpending+0x7b/0xa0
[   19.528319]  ? __pfx_kthread+0x10/0x10
[   19.528352]  ret_from_fork+0x41/0x80
[   19.528378]  ? __pfx_kthread+0x10/0x10
[   19.528405]  ret_from_fork_asm+0x1a/0x30
[   19.528466]  </TASK>
[   19.528491] 
[   19.547376] Allocated by task 233:
[   19.548121]  kasan_save_stack+0x45/0x70
[   19.548980]  kasan_save_track+0x18/0x40
[   19.549285]  kasan_save_alloc_info+0x3b/0x50
[   19.550092]  __kasan_mempool_unpoison_object+0x1bb/0x200
[   19.550353]  remove_element+0x11e/0x190
[   19.550754]  mempool_alloc_preallocated+0x4d/0x90
[   19.551164]  mempool_oob_right_helper+0x8b/0x380
[   19.552016]  mempool_slab_oob_right+0xee/0x140
[   19.552236]  kunit_try_run_case+0x1a6/0x480
[   19.552602]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.552990]  kthread+0x324/0x6e0
[   19.553217]  ret_from_fork+0x41/0x80
[   19.553518]  ret_from_fork_asm+0x1a/0x30
[   19.553813] 
[   19.554996] The buggy address belongs to the object at ffff88810298d240
[   19.554996]  which belongs to the cache test_cache of size 123
[   19.556011] The buggy address is located 0 bytes to the right of
[   19.556011]  allocated 123-byte region [ffff88810298d240, ffff88810298d2bb)
[   19.556928] 
[   19.557210] The buggy address belongs to the physical page:
[   19.557701] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10298d
[   19.558345] flags: 0x200000000000000(node=0|zone=2)
[   19.558836] page_type: f5(slab)
[   19.559222] raw: 0200000000000000 ffff888101da9780 dead000000000122 0000000000000000
[   19.560347] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000
[   19.561154] page dumped because: kasan: bad access detected
[   19.561728] 
[   19.562067] Memory state around the buggy address:
[   19.562594]  ffff88810298d180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.563266]  ffff88810298d200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   19.564606] >ffff88810298d280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   19.565105]                                         ^
[   19.565594]  ffff88810298d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.566297]  ffff88810298d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.566847] ==================================================================
[   19.430964] ==================================================================
[   19.431568] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   19.432556] Read of size 1 at addr ffff88810298a173 by task kunit_try_catch/229
[   19.433210] 
[   19.433496] CPU: 1 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   19.433605] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.433636] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.433686] Call Trace:
[   19.433721]  <TASK>
[   19.433763]  dump_stack_lvl+0x73/0xb0
[   19.433852]  print_report+0xd1/0x650
[   19.434434]  ? __virt_addr_valid+0x1db/0x2d0
[   19.434499]  ? mempool_oob_right_helper+0x31a/0x380
[   19.434548]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.434599]  ? mempool_oob_right_helper+0x31a/0x380
[   19.434643]  kasan_report+0x140/0x180
[   19.434688]  ? mempool_oob_right_helper+0x31a/0x380
[   19.434746]  __asan_report_load1_noabort+0x18/0x20
[   19.434799]  mempool_oob_right_helper+0x31a/0x380
[   19.434846]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   19.434920]  ? finish_task_switch.isra.0+0x153/0x700
[   19.434988]  mempool_kmalloc_oob_right+0xf3/0x150
[   19.435050]  ? __pfx_mempool_kmalloc_oob_right+0x10/0x10
[   19.435116]  ? __pfx_mempool_kmalloc+0x10/0x10
[   19.435170]  ? __pfx_mempool_kfree+0x10/0x10
[   19.435223]  ? __pfx_read_tsc+0x10/0x10
[   19.435280]  ? ktime_get_ts64+0x86/0x230
[   19.435345]  kunit_try_run_case+0x1a6/0x480
[   19.435405]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.435460]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   19.435521]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.435581]  ? __kthread_parkme+0x82/0x160
[   19.435638]  ? preempt_count_sub+0x50/0x80
[   19.435707]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.435766]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.435829]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.435904]  kthread+0x324/0x6e0
[   19.435948]  ? trace_preempt_on+0x20/0xc0
[   19.435999]  ? __pfx_kthread+0x10/0x10
[   19.436050]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.436103]  ? calculate_sigpending+0x7b/0xa0
[   19.436153]  ? __pfx_kthread+0x10/0x10
[   19.436202]  ret_from_fork+0x41/0x80
[   19.436248]  ? __pfx_kthread+0x10/0x10
[   19.436293]  ret_from_fork_asm+0x1a/0x30
[   19.436358]  </TASK>
[   19.436381] 
[   19.454180] Allocated by task 229:
[   19.454482]  kasan_save_stack+0x45/0x70
[   19.455369]  kasan_save_track+0x18/0x40
[   19.456007]  kasan_save_alloc_info+0x3b/0x50
[   19.456275]  __kasan_mempool_unpoison_object+0x1a9/0x200
[   19.456828]  remove_element+0x11e/0x190
[   19.457597]  mempool_alloc_preallocated+0x4d/0x90
[   19.458307]  mempool_oob_right_helper+0x8b/0x380
[   19.458678]  mempool_kmalloc_oob_right+0xf3/0x150
[   19.459073]  kunit_try_run_case+0x1a6/0x480
[   19.459442]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.459680]  kthread+0x324/0x6e0
[   19.460119]  ret_from_fork+0x41/0x80
[   19.460668]  ret_from_fork_asm+0x1a/0x30
[   19.461732] 
[   19.461871] The buggy address belongs to the object at ffff88810298a100
[   19.461871]  which belongs to the cache kmalloc-128 of size 128
[   19.462169] The buggy address is located 0 bytes to the right of
[   19.462169]  allocated 115-byte region [ffff88810298a100, ffff88810298a173)
[   19.462725] 
[   19.463030] The buggy address belongs to the physical page:
[   19.463574] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10298a
[   19.463994] flags: 0x200000000000000(node=0|zone=2)
[   19.464803] page_type: f5(slab)
[   19.465251] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   19.466280] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.466834] page dumped because: kasan: bad access detected
[   19.467282] 
[   19.467416] Memory state around the buggy address:
[   19.468383]  ffff88810298a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.468954]  ffff88810298a080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.469483] >ffff88810298a100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   19.470120]                                                              ^
[   19.470795]  ffff88810298a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.472109]  ffff88810298a200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   19.472566] ==================================================================
[   19.480376] ==================================================================
[   19.481313] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   19.481719] Read of size 1 at addr ffff888102cba001 by task kunit_try_catch/231
[   19.482054] 
[   19.482287] CPU: 0 UID: 0 PID: 231 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   19.482390] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.482421] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.482465] Call Trace:
[   19.482498]  <TASK>
[   19.482541]  dump_stack_lvl+0x73/0xb0
[   19.482629]  print_report+0xd1/0x650
[   19.482689]  ? __virt_addr_valid+0x1db/0x2d0
[   19.482749]  ? mempool_oob_right_helper+0x31a/0x380
[   19.482801]  ? kasan_addr_to_slab+0x11/0xa0
[   19.482845]  ? mempool_oob_right_helper+0x31a/0x380
[   19.483079]  kasan_report+0x140/0x180
[   19.483141]  ? mempool_oob_right_helper+0x31a/0x380
[   19.483214]  __asan_report_load1_noabort+0x18/0x20
[   19.483279]  mempool_oob_right_helper+0x31a/0x380
[   19.483341]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   19.483411]  ? finish_task_switch.isra.0+0x153/0x700
[   19.483473]  mempool_kmalloc_large_oob_right+0xf3/0x150
[   19.483536]  ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10
[   19.483597]  ? __pfx_mempool_kmalloc+0x10/0x10
[   19.483649]  ? __pfx_mempool_kfree+0x10/0x10
[   19.483724]  ? __pfx_read_tsc+0x10/0x10
[   19.483783]  ? ktime_get_ts64+0x86/0x230
[   19.483848]  kunit_try_run_case+0x1a6/0x480
[   19.484023]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.484100]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   19.484172]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.484237]  ? __kthread_parkme+0x82/0x160
[   19.484281]  ? preempt_count_sub+0x50/0x80
[   19.484324]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.484363]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.484398]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.484439]  kthread+0x324/0x6e0
[   19.484513]  ? trace_preempt_on+0x20/0xc0
[   19.484561]  ? __pfx_kthread+0x10/0x10
[   19.484592]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.484625]  ? calculate_sigpending+0x7b/0xa0
[   19.484654]  ? __pfx_kthread+0x10/0x10
[   19.484684]  ret_from_fork+0x41/0x80
[   19.484709]  ? __pfx_kthread+0x10/0x10
[   19.484739]  ret_from_fork_asm+0x1a/0x30
[   19.484781]  </TASK>
[   19.484797] 
[   19.501824] The buggy address belongs to the physical page:
[   19.502407] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102cb8
[   19.503135] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   19.503760] flags: 0x200000000000040(head|node=0|zone=2)
[   19.504409] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   19.505748] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   19.506254] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   19.507033] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   19.507713] head: 0200000000000002 ffffea00040b2e01 ffffffffffffffff 0000000000000000
[   19.508360] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   19.509011] page dumped because: kasan: bad access detected
[   19.509563] 
[   19.509793] Memory state around the buggy address:
[   19.510053]  ffff888102cb9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.511156]  ffff888102cb9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.511647] >ffff888102cba000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   19.512180]                    ^
[   19.512502]  ffff888102cba080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   19.513808]  ffff888102cba100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   19.515249] ==================================================================