Hay
Date
July 13, 2025, 11:09 p.m.

Environment
qemu-arm64
qemu-x86_64

[   15.535377] ==================================================================
[   15.535707] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320
[   15.535769] Read of size 1 at addr fff00000c580949f by task kunit_try_catch/139
[   15.535846] 
[   15.535893] CPU: 0 UID: 0 PID: 139 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.535991] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.536017] Hardware name: linux,dummy-virt (DT)
[   15.536075] Call trace:
[   15.536114]  show_stack+0x20/0x38 (C)
[   15.536170]  dump_stack_lvl+0x8c/0xd0
[   15.536254]  print_report+0x118/0x5d0
[   15.537001]  kasan_report+0xdc/0x128
[   15.537058]  __asan_report_load1_noabort+0x20/0x30
[   15.537108]  kmalloc_oob_left+0x2ec/0x320
[   15.537595]  kunit_try_run_case+0x170/0x3f0
[   15.537651]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.537710]  kthread+0x328/0x630
[   15.537751]  ret_from_fork+0x10/0x20
[   15.537797] 
[   15.537815] Allocated by task 26:
[   15.537843]  kasan_save_stack+0x3c/0x68
[   15.537883]  kasan_save_track+0x20/0x40
[   15.537919]  kasan_save_alloc_info+0x40/0x58
[   15.537958]  __kasan_kmalloc+0xd4/0xd8
[   15.537993]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   15.538036]  kstrdup+0x54/0xc8
[   15.538069]  devtmpfs_work_loop+0x6f8/0xa58
[   15.538109]  devtmpfsd+0x50/0x58
[   15.538143]  kthread+0x328/0x630
[   15.538174]  ret_from_fork+0x10/0x20
[   15.538225] 
[   15.538604] Freed by task 26:
[   15.538662]  kasan_save_stack+0x3c/0x68
[   15.538704]  kasan_save_track+0x20/0x40
[   15.538740]  kasan_save_free_info+0x4c/0x78
[   15.538778]  __kasan_slab_free+0x6c/0x98
[   15.538814]  kfree+0x214/0x3c8
[   15.538847]  devtmpfs_work_loop+0x804/0xa58
[   15.539824]  devtmpfsd+0x50/0x58
[   15.540209]  kthread+0x328/0x630
[   15.540250]  ret_from_fork+0x10/0x20
[   15.540405] 
[   15.540429] The buggy address belongs to the object at fff00000c5809480
[   15.540429]  which belongs to the cache kmalloc-16 of size 16
[   15.540648] The buggy address is located 15 bytes to the right of
[   15.540648]  allocated 16-byte region [fff00000c5809480, fff00000c5809490)
[   15.540717] 
[   15.540736] The buggy address belongs to the physical page:
[   15.540989] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105809
[   15.541177] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.541240] page_type: f5(slab)
[   15.541277] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   15.541327] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   15.543605] page dumped because: kasan: bad access detected
[   15.543986] 
[   15.544005] Memory state around the buggy address:
[   15.544041]  fff00000c5809380: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
[   15.544085]  fff00000c5809400: 00 00 fc fc 00 00 fc fc 00 00 fc fc fa fb fc fc
[   15.544128] >fff00000c5809480: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc
[   15.544192]                             ^
[   15.544232]  fff00000c5809500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.544274]  fff00000c5809580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.544311] ==================================================================

[   16.369850] ==================================================================
[   16.370704] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320
[   16.370789] Read of size 1 at addr fff00000c44ab9ff by task kunit_try_catch/139
[   16.370993] 
[   16.371094] CPU: 1 UID: 0 PID: 139 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   16.371175] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.371210] Hardware name: linux,dummy-virt (DT)
[   16.371243] Call trace:
[   16.371264]  show_stack+0x20/0x38 (C)
[   16.371312]  dump_stack_lvl+0x8c/0xd0
[   16.372096]  print_report+0x118/0x5d0
[   16.372210]  kasan_report+0xdc/0x128
[   16.372607]  __asan_report_load1_noabort+0x20/0x30
[   16.373061]  kmalloc_oob_left+0x2ec/0x320
[   16.373151]  kunit_try_run_case+0x170/0x3f0
[   16.373701]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.373774]  kthread+0x328/0x630
[   16.374323]  ret_from_fork+0x10/0x20
[   16.374772] 
[   16.374793] Allocated by task 26:
[   16.374824]  kasan_save_stack+0x3c/0x68
[   16.374865]  kasan_save_track+0x20/0x40
[   16.374902]  kasan_save_alloc_info+0x40/0x58
[   16.374941]  __kasan_kmalloc+0xd4/0xd8
[   16.374976]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   16.375817]  kstrdup+0x54/0xc8
[   16.375863]  devtmpfs_work_loop+0x6f8/0xa58
[   16.375904]  devtmpfsd+0x50/0x58
[   16.375938]  kthread+0x328/0x630
[   16.376439]  ret_from_fork+0x10/0x20
[   16.376493] 
[   16.376704] Freed by task 26:
[   16.376808]  kasan_save_stack+0x3c/0x68
[   16.377079]  kasan_save_track+0x20/0x40
[   16.377124]  kasan_save_free_info+0x4c/0x78
[   16.377361]  __kasan_slab_free+0x6c/0x98
[   16.377741]  kfree+0x214/0x3c8
[   16.377780]  devtmpfs_work_loop+0x804/0xa58
[   16.378118]  devtmpfsd+0x50/0x58
[   16.378249]  kthread+0x328/0x630
[   16.378291]  ret_from_fork+0x10/0x20
[   16.378340] 
[   16.378809] The buggy address belongs to the object at fff00000c44ab9e0
[   16.378809]  which belongs to the cache kmalloc-16 of size 16
[   16.378902] The buggy address is located 15 bytes to the right of
[   16.378902]  allocated 16-byte region [fff00000c44ab9e0, fff00000c44ab9f0)
[   16.379342] 
[   16.379369] The buggy address belongs to the physical page:
[   16.379403] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1044ab
[   16.379757] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.379828] page_type: f5(slab)
[   16.379875] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   16.380022] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   16.380358] page dumped because: kasan: bad access detected
[   16.380393] 
[   16.380537] Memory state around the buggy address:
[   16.380578]  fff00000c44ab880: 00 06 fc fc fa fb fc fc 00 06 fc fc 00 06 fc fc
[   16.380940]  fff00000c44ab900: fa fb fc fc 00 00 fc fc fa fb fc fc 00 00 fc fc
[   16.381011] >fff00000c44ab980: 00 00 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
[   16.381050]                                                                 ^
[   16.381291]  fff00000c44aba00: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.381621]  fff00000c44aba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.381710] ==================================================================

[   11.866377] ==================================================================
[   11.866879] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0
[   11.867291] Read of size 1 at addr ffff888101aa5d9f by task kunit_try_catch/155
[   11.868060] 
[   11.868151] CPU: 1 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.868194] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.868205] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.868254] Call Trace:
[   11.868266]  <TASK>
[   11.868285]  dump_stack_lvl+0x73/0xb0
[   11.868317]  print_report+0xd1/0x610
[   11.868341]  ? __virt_addr_valid+0x1db/0x2d0
[   11.868366]  ? kmalloc_oob_left+0x361/0x3c0
[   11.868387]  ? kasan_complete_mode_report_info+0x64/0x200
[   11.868410]  ? kmalloc_oob_left+0x361/0x3c0
[   11.868432]  kasan_report+0x141/0x180
[   11.868463]  ? kmalloc_oob_left+0x361/0x3c0
[   11.868510]  __asan_report_load1_noabort+0x18/0x20
[   11.868535]  kmalloc_oob_left+0x361/0x3c0
[   11.868557]  ? __pfx_kmalloc_oob_left+0x10/0x10
[   11.868590]  ? __schedule+0x10cc/0x2b60
[   11.868613]  ? __pfx_read_tsc+0x10/0x10
[   11.868634]  ? ktime_get_ts64+0x86/0x230
[   11.868659]  kunit_try_run_case+0x1a5/0x480
[   11.868702]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.868725]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.868749]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.868773]  ? __kthread_parkme+0x82/0x180
[   11.868794]  ? preempt_count_sub+0x50/0x80
[   11.868819]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.868843]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.868867]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.868892]  kthread+0x337/0x6f0
[   11.868911]  ? trace_preempt_on+0x20/0xc0
[   11.868934]  ? __pfx_kthread+0x10/0x10
[   11.868955]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.868976]  ? calculate_sigpending+0x7b/0xa0
[   11.869001]  ? __pfx_kthread+0x10/0x10
[   11.869022]  ret_from_fork+0x116/0x1d0
[   11.869040]  ? __pfx_kthread+0x10/0x10
[   11.869060]  ret_from_fork_asm+0x1a/0x30
[   11.869091]  </TASK>
[   11.869101] 
[   11.877809] Allocated by task 1:
[   11.878025]  kasan_save_stack+0x45/0x70
[   11.878229]  kasan_save_track+0x18/0x40
[   11.878364]  kasan_save_alloc_info+0x3b/0x50
[   11.878765]  __kasan_kmalloc+0xb7/0xc0
[   11.878896]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   11.879074]  kvasprintf+0xc5/0x150
[   11.879255]  __kthread_create_on_node+0x18b/0x3a0
[   11.879527]  kthread_create_on_node+0xab/0xe0
[   11.879866]  cryptomgr_notify+0x704/0x9f0
[   11.880004]  notifier_call_chain+0xcb/0x250
[   11.880144]  blocking_notifier_call_chain+0x64/0x90
[   11.880306]  crypto_alg_mod_lookup+0x21f/0x440
[   11.880679]  crypto_alloc_tfm_node+0xc5/0x1f0
[   11.880913]  crypto_alloc_sig+0x23/0x30
[   11.881124]  public_key_verify_signature+0x208/0x9f0
[   11.881372]  x509_check_for_self_signed+0x2cb/0x480
[   11.881554]  x509_cert_parse+0x59c/0x830
[   11.881772]  x509_key_preparse+0x68/0x8a0
[   11.881970]  asymmetric_key_preparse+0xb1/0x160
[   11.882130]  __key_create_or_update+0x43d/0xcc0
[   11.882319]  key_create_or_update+0x17/0x20
[   11.882589]  x509_load_certificate_list+0x174/0x200
[   11.882834]  regulatory_init_db+0xee/0x3a0
[   11.882978]  do_one_initcall+0xd8/0x370
[   11.883169]  kernel_init_freeable+0x420/0x6f0
[   11.883388]  kernel_init+0x23/0x1e0
[   11.883578]  ret_from_fork+0x116/0x1d0
[   11.883743]  ret_from_fork_asm+0x1a/0x30
[   11.883877] 
[   11.883976] Freed by task 0:
[   11.884094]  kasan_save_stack+0x45/0x70
[   11.884304]  kasan_save_track+0x18/0x40
[   11.884497]  kasan_save_free_info+0x3f/0x60
[   11.884699]  __kasan_slab_free+0x56/0x70
[   11.884966]  kfree+0x222/0x3f0
[   11.885124]  free_kthread_struct+0xeb/0x150
[   11.885274]  free_task+0xf3/0x130
[   11.885394]  __put_task_struct+0x1c8/0x480
[   11.885611]  delayed_put_task_struct+0x10a/0x150
[   11.885862]  rcu_core+0x66f/0x1c40
[   11.886027]  rcu_core_si+0x12/0x20
[   11.886148]  handle_softirqs+0x209/0x730
[   11.886281]  __irq_exit_rcu+0xc9/0x110
[   11.886456]  irq_exit_rcu+0x12/0x20
[   11.886628]  sysvec_apic_timer_interrupt+0x81/0x90
[   11.886891]  asm_sysvec_apic_timer_interrupt+0x1f/0x30
[   11.887154] 
[   11.887244] The buggy address belongs to the object at ffff888101aa5d80
[   11.887244]  which belongs to the cache kmalloc-16 of size 16
[   11.887868] The buggy address is located 15 bytes to the right of
[   11.887868]  allocated 16-byte region [ffff888101aa5d80, ffff888101aa5d90)
[   11.888261] 
[   11.888379] The buggy address belongs to the physical page:
[   11.888782] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101aa5
[   11.889157] flags: 0x200000000000000(node=0|zone=2)
[   11.889314] page_type: f5(slab)
[   11.889452] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   11.889812] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   11.890267] page dumped because: kasan: bad access detected
[   11.890471] 
[   11.890537] Memory state around the buggy address:
[   11.890684]  ffff888101aa5c80: 00 02 fc fc 00 05 fc fc 00 02 fc fc 00 02 fc fc
[   11.891224]  ffff888101aa5d00: 00 02 fc fc 00 02 fc fc fa fb fc fc fa fb fc fc
[   11.891617] >ffff888101aa5d80: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc
[   11.891895]                             ^
[   11.892027]  ffff888101aa5e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.892231]  ffff888101aa5e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.892596] ==================================================================

[   12.092449] ==================================================================
[   12.093473] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0
[   12.094426] Read of size 1 at addr ffff8881016acd3f by task kunit_try_catch/156
[   12.095462] 
[   12.095995] CPU: 0 UID: 0 PID: 156 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   12.096072] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.096085] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.096114] Call Trace:
[   12.096127]  <TASK>
[   12.096143]  dump_stack_lvl+0x73/0xb0
[   12.096176]  print_report+0xd1/0x610
[   12.096199]  ? __virt_addr_valid+0x1db/0x2d0
[   12.096224]  ? kmalloc_oob_left+0x361/0x3c0
[   12.096245]  ? kasan_complete_mode_report_info+0x64/0x200
[   12.096269]  ? kmalloc_oob_left+0x361/0x3c0
[   12.096290]  kasan_report+0x141/0x180
[   12.096312]  ? kmalloc_oob_left+0x361/0x3c0
[   12.096338]  __asan_report_load1_noabort+0x18/0x20
[   12.096363]  kmalloc_oob_left+0x361/0x3c0
[   12.096385]  ? __pfx_kmalloc_oob_left+0x10/0x10
[   12.096408]  ? __schedule+0x10cc/0x2b60
[   12.096430]  ? __pfx_read_tsc+0x10/0x10
[   12.096452]  ? ktime_get_ts64+0x86/0x230
[   12.096477]  kunit_try_run_case+0x1a5/0x480
[   12.096503]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.096526]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.096551]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.096575]  ? __kthread_parkme+0x82/0x180
[   12.096596]  ? preempt_count_sub+0x50/0x80
[   12.096620]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.096645]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.096669]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.096695]  kthread+0x337/0x6f0
[   12.096714]  ? trace_preempt_on+0x20/0xc0
[   12.096738]  ? __pfx_kthread+0x10/0x10
[   12.096759]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.096780]  ? calculate_sigpending+0x7b/0xa0
[   12.096805]  ? __pfx_kthread+0x10/0x10
[   12.096826]  ret_from_fork+0x116/0x1d0
[   12.096845]  ? __pfx_kthread+0x10/0x10
[   12.096865]  ret_from_fork_asm+0x1a/0x30
[   12.096897]  </TASK>
[   12.096908] 
[   12.108723] Allocated by task 9:
[   12.108861]  kasan_save_stack+0x45/0x70
[   12.109013]  kasan_save_track+0x18/0x40
[   12.109173]  kasan_save_alloc_info+0x3b/0x50
[   12.109379]  __kasan_kmalloc+0xb7/0xc0
[   12.109556]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   12.109795]  kvasprintf+0xc5/0x150
[   12.109963]  kasprintf+0xb6/0xf0
[   12.110213]  input_devnode+0x46/0x80
[   12.110426]  device_get_devnode+0x145/0x2a0
[   12.110578]  dev_uevent+0x41c/0x730
[   12.110731]  kobject_uevent_env+0x50d/0xff0
[   12.110882]  kobject_uevent+0xf/0x20
[   12.111162]  device_add+0xe4c/0x1820
[   12.111462]  cdev_device_add+0xab/0x1c0
[   12.111724]  evdev_connect+0x356/0x480
[   12.111939]  input_attach_handler.isra.0+0x117/0x1f0
[   12.112206]  input_register_device+0x722/0xe10
[   12.112473]  psmouse_connect+0x6ed/0xe30
[   12.112642]  serio_driver_probe+0x7a/0xb0
[   12.112908]  really_probe+0x1d4/0x920
[   12.113189]  __driver_probe_device+0x18f/0x3e0
[   12.113414]  driver_probe_device+0x4f/0x130
[   12.113562]  __driver_attach+0x1eb/0x4b0
[   12.113720]  bus_for_each_dev+0x10f/0x1a0
[   12.113870]  driver_attach+0x41/0x60
[   12.114065]  serio_handle_event+0x254/0x940
[   12.114275]  process_one_work+0x5ee/0xf60
[   12.114480]  worker_thread+0x758/0x1220
[   12.114676]  kthread+0x337/0x6f0
[   12.114849]  ret_from_fork+0x116/0x1d0
[   12.115042]  ret_from_fork_asm+0x1a/0x30
[   12.115332] 
[   12.115432] Freed by task 9:
[   12.115700]  kasan_save_stack+0x45/0x70
[   12.115916]  kasan_save_track+0x18/0x40
[   12.116164]  kasan_save_free_info+0x3f/0x60
[   12.116429]  __kasan_slab_free+0x56/0x70
[   12.116617]  kfree+0x222/0x3f0
[   12.116839]  dev_uevent+0x466/0x730
[   12.117011]  kobject_uevent_env+0x50d/0xff0
[   12.117230]  kobject_uevent+0xf/0x20
[   12.117363]  device_add+0xe4c/0x1820
[   12.117491]  cdev_device_add+0xab/0x1c0
[   12.117627]  evdev_connect+0x356/0x480
[   12.117918]  input_attach_handler.isra.0+0x117/0x1f0
[   12.118167]  input_register_device+0x722/0xe10
[   12.118474]  psmouse_connect+0x6ed/0xe30
[   12.118629]  serio_driver_probe+0x7a/0xb0
[   12.118959]  really_probe+0x1d4/0x920
[   12.119142]  __driver_probe_device+0x18f/0x3e0
[   12.119379]  driver_probe_device+0x4f/0x130
[   12.119560]  __driver_attach+0x1eb/0x4b0
[   12.119861]  bus_for_each_dev+0x10f/0x1a0
[   12.120166]  driver_attach+0x41/0x60
[   12.120340]  serio_handle_event+0x254/0x940
[   12.120551]  process_one_work+0x5ee/0xf60
[   12.120847]  worker_thread+0x758/0x1220
[   12.121111]  kthread+0x337/0x6f0
[   12.121259]  ret_from_fork+0x116/0x1d0
[   12.121450]  ret_from_fork_asm+0x1a/0x30
[   12.121680] 
[   12.121759] The buggy address belongs to the object at ffff8881016acd20
[   12.121759]  which belongs to the cache kmalloc-16 of size 16
[   12.122307] The buggy address is located 15 bytes to the right of
[   12.122307]  allocated 16-byte region [ffff8881016acd20, ffff8881016acd30)
[   12.122827] 
[   12.122904] The buggy address belongs to the physical page:
[   12.123142] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1016ac
[   12.123509] flags: 0x200000000000000(node=0|zone=2)
[   12.123905] page_type: f5(slab)
[   12.124072] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   12.124403] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   12.124701] page dumped because: kasan: bad access detected
[   12.125007] 
[   12.125114] Memory state around the buggy address:
[   12.125455]  ffff8881016acc00: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc
[   12.125883]  ffff8881016acc80: 00 00 fc fc 00 04 fc fc 00 04 fc fc fa fb fc fc
[   12.126184] >ffff8881016acd00: fa fb fc fc fa fb fc fc 00 07 fc fc fc fc fc fc
[   12.126644]                                         ^
[   12.126812]  ffff8881016acd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.127188]  ffff8881016ace00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.127504] ==================================================================