Hay
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Date
April 20, 2025, 11:09 p.m.

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

[   26.030302] ==================================================================
[   26.030415] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   26.030551] Read of size 1 at addr fff00000c77a0000 by task kunit_try_catch/235
[   26.030665] 
[   26.033289] CPU: 0 UID: 0 PID: 235 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   26.034743] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.034816] Hardware name: linux,dummy-virt (DT)
[   26.034901] Call trace:
[   26.034976]  show_stack+0x20/0x38 (C)
[   26.035099]  dump_stack_lvl+0x8c/0xd0
[   26.035212]  print_report+0x118/0x608
[   26.035326]  kasan_report+0xdc/0x128
[   26.035435]  __asan_report_load1_noabort+0x20/0x30
[   26.035569]  mempool_uaf_helper+0x314/0x340
[   26.037015]  mempool_page_alloc_uaf+0xc0/0x118
[   26.037233]  kunit_try_run_case+0x170/0x3f0
[   26.037358]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.037496]  kthread+0x328/0x630
[   26.037618]  ret_from_fork+0x10/0x20
[   26.037744] 
[   26.037794] The buggy address belongs to the physical page:
[   26.037876] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077a0
[   26.038022] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   26.038387] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   26.038615] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   26.038999] page dumped because: kasan: bad access detected
[   26.039080] 
[   26.039370] Memory state around the buggy address:
[   26.040162]  fff00000c779ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.040661]  fff00000c779ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.040792] >fff00000c77a0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   26.041132]                    ^
[   26.041705]  fff00000c77a0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   26.041947]  fff00000c77a0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   26.042042] ==================================================================
[   25.907550] ==================================================================
[   25.908217] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   25.908378] Read of size 1 at addr fff00000c7784000 by task kunit_try_catch/231
[   25.908498] 
[   25.908841] CPU: 0 UID: 0 PID: 231 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   25.909103] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.909212] Hardware name: linux,dummy-virt (DT)
[   25.909519] Call trace:
[   25.909575]  show_stack+0x20/0x38 (C)
[   25.909976]  dump_stack_lvl+0x8c/0xd0
[   25.910696]  print_report+0x118/0x608
[   25.911419]  kasan_report+0xdc/0x128
[   25.911622]  __asan_report_load1_noabort+0x20/0x30
[   25.912205]  mempool_uaf_helper+0x314/0x340
[   25.912525]  mempool_kmalloc_large_uaf+0xc4/0x120
[   25.912689]  kunit_try_run_case+0x170/0x3f0
[   25.913461]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.914115]  kthread+0x328/0x630
[   25.914576]  ret_from_fork+0x10/0x20
[   25.914720] 
[   25.914768] The buggy address belongs to the physical page:
[   25.915265] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107784
[   25.915678] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   25.916097] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   25.916666] page_type: f8(unknown)
[   25.916768] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   25.916892] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   25.917077] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   25.917237] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   25.917398] head: 0bfffe0000000002 ffffc1ffc31de101 00000000ffffffff 00000000ffffffff
[   25.917695] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   25.917980] page dumped because: kasan: bad access detected
[   25.918198] 
[   25.918313] Memory state around the buggy address:
[   25.918423]  fff00000c7783f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   25.918527]  fff00000c7783f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   25.918632] >fff00000c7784000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   25.918725]                    ^
[   25.918791]  fff00000c7784080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   25.918947]  fff00000c7784100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   25.919058] ==================================================================
Metadata Full log Test run details 

[   13.100670] ==================================================================
[   13.101101] BUG: KASAN: use-after-free in mempool_uaf_helper+0x392/0x400
[   13.101416] Read of size 1 at addr ffff888102a1c000 by task kunit_try_catch/253
[   13.101764] 
[   13.101887] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   13.101931] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.101944] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.101965] Call Trace:
[   13.101977]  <TASK>
[   13.101993]  dump_stack_lvl+0x73/0xb0
[   13.102019]  print_report+0xd1/0x650
[   13.102041]  ? __virt_addr_valid+0x1db/0x2d0
[   13.102064]  ? mempool_uaf_helper+0x392/0x400
[   13.102086]  ? kasan_addr_to_slab+0x11/0xa0
[   13.102107]  ? mempool_uaf_helper+0x392/0x400
[   13.102130]  kasan_report+0x141/0x180
[   13.102167]  ? mempool_uaf_helper+0x392/0x400
[   13.102195]  __asan_report_load1_noabort+0x18/0x20
[   13.102216]  mempool_uaf_helper+0x392/0x400
[   13.102240]  ? __pfx_mempool_uaf_helper+0x10/0x10
[   13.102262]  ? dequeue_entities+0xa24/0x1790
[   13.102289]  ? finish_task_switch.isra.0+0x153/0x700
[   13.102316]  mempool_page_alloc_uaf+0xed/0x140
[   13.102347]  ? __pfx_mempool_page_alloc_uaf+0x10/0x10
[   13.102367]  ? dequeue_task_fair+0x166/0x4e0
[   13.102448]  ? __pfx_mempool_alloc_pages+0x10/0x10
[   13.102473]  ? __pfx_mempool_free_pages+0x10/0x10
[   13.102497]  ? __pfx_read_tsc+0x10/0x10
[   13.102518]  ? ktime_get_ts64+0x86/0x230
[   13.102545]  kunit_try_run_case+0x1a5/0x480
[   13.102569]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.102590]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.102615]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.102639]  ? __kthread_parkme+0x82/0x180
[   13.102660]  ? preempt_count_sub+0x50/0x80
[   13.102685]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.102708]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.102730]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.102752]  kthread+0x337/0x6f0
[   13.102771]  ? trace_preempt_on+0x20/0xc0
[   13.102795]  ? __pfx_kthread+0x10/0x10
[   13.102817]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.102839]  ? calculate_sigpending+0x7b/0xa0
[   13.102860]  ? __pfx_kthread+0x10/0x10
[   13.102883]  ret_from_fork+0x41/0x80
[   13.102903]  ? __pfx_kthread+0x10/0x10
[   13.102925]  ret_from_fork_asm+0x1a/0x30
[   13.102957]  </TASK>
[   13.102967] 
[   13.113424] The buggy address belongs to the physical page:
[   13.113611] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a1c
[   13.113862] flags: 0x200000000000000(node=0|zone=2)
[   13.114036] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
[   13.114264] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   13.115172] page dumped because: kasan: bad access detected
[   13.115929] 
[   13.116176] Memory state around the buggy address:
[   13.116700]  ffff888102a1bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.117129]  ffff888102a1bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.117361] >ffff888102a1c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.117573]                    ^
[   13.117887]  ffff888102a1c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.118220]  ffff888102a1c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.118650] ==================================================================
[   13.029035] ==================================================================
[   13.029599] BUG: KASAN: use-after-free in mempool_uaf_helper+0x392/0x400
[   13.029840] Read of size 1 at addr ffff888102c74000 by task kunit_try_catch/249
[   13.030064] 
[   13.030630] CPU: 1 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   13.030683] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.030695] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.030717] Call Trace:
[   13.030729]  <TASK>
[   13.030745]  dump_stack_lvl+0x73/0xb0
[   13.030936]  print_report+0xd1/0x650
[   13.030967]  ? __virt_addr_valid+0x1db/0x2d0
[   13.030990]  ? mempool_uaf_helper+0x392/0x400
[   13.031013]  ? kasan_addr_to_slab+0x11/0xa0
[   13.031033]  ? mempool_uaf_helper+0x392/0x400
[   13.031056]  kasan_report+0x141/0x180
[   13.031078]  ? mempool_uaf_helper+0x392/0x400
[   13.031106]  __asan_report_load1_noabort+0x18/0x20
[   13.031146]  mempool_uaf_helper+0x392/0x400
[   13.031170]  ? __pfx_mempool_uaf_helper+0x10/0x10
[   13.031192]  ? update_load_avg+0x1be/0x21b0
[   13.031212]  ? update_load_avg+0x1be/0x21b0
[   13.031231]  ? update_curr+0x80/0x810
[   13.031251]  ? finish_task_switch.isra.0+0x153/0x700
[   13.031278]  mempool_kmalloc_large_uaf+0xef/0x140
[   13.031303]  ? __pfx_mempool_kmalloc_large_uaf+0x10/0x10
[   13.031337]  ? dequeue_task_fair+0x156/0x4e0
[   13.031361]  ? __pfx_mempool_kmalloc+0x10/0x10
[   13.031381]  ? __pfx_mempool_kfree+0x10/0x10
[   13.031423]  ? __pfx_read_tsc+0x10/0x10
[   13.031443]  ? ktime_get_ts64+0x86/0x230
[   13.031468]  kunit_try_run_case+0x1a5/0x480
[   13.031492]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.031513]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.031539]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.031563]  ? __kthread_parkme+0x82/0x180
[   13.031585]  ? preempt_count_sub+0x50/0x80
[   13.031609]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.031632]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.031654]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.031678]  kthread+0x337/0x6f0
[   13.031698]  ? trace_preempt_on+0x20/0xc0
[   13.031721]  ? __pfx_kthread+0x10/0x10
[   13.031743]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.031765]  ? calculate_sigpending+0x7b/0xa0
[   13.031787]  ? __pfx_kthread+0x10/0x10
[   13.031810]  ret_from_fork+0x41/0x80
[   13.031831]  ? __pfx_kthread+0x10/0x10
[   13.031853]  ret_from_fork_asm+0x1a/0x30
[   13.031883]  </TASK>
[   13.031895] 
[   13.050611] The buggy address belongs to the physical page:
[   13.051220] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c74
[   13.051833] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   13.052208] flags: 0x200000000000040(head|node=0|zone=2)
[   13.052412] page_type: f8(unknown)
[   13.052614] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   13.053152] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   13.053386] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   13.053675] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   13.053966] head: 0200000000000002 ffffea00040b1d01 00000000ffffffff 00000000ffffffff
[   13.054221] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   13.054952] page dumped because: kasan: bad access detected
[   13.055520] 
[   13.055682] Memory state around the buggy address:
[   13.056089]  ffff888102c73f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.056903]  ffff888102c73f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.057271] >ffff888102c74000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.057556]                    ^
[   13.057734]  ffff888102c74080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.058425]  ffff888102c74100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.058633] ==================================================================
Metadata Full log Test run details 

[   23.192697] ==================================================================
[   23.193739] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   23.194391] Read of size 1 at addr ffff00000df00000 by task kunit_try_catch/287
[   23.195069] 
[   23.195234] CPU: 2 UID: 0 PID: 287 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   23.195285] Tainted: [B]=BAD_PAGE, [N]=TEST
[   23.195299] Hardware name: Radxa ROCK Pi 4B (DT)
[   23.195317] Call trace:
[   23.195328]  show_stack+0x20/0x38 (C)
[   23.195361]  dump_stack_lvl+0x8c/0xd0
[   23.195393]  print_report+0x118/0x608
[   23.195422]  kasan_report+0xdc/0x128
[   23.195450]  __asan_report_load1_noabort+0x20/0x30
[   23.195484]  mempool_uaf_helper+0x314/0x340
[   23.195517]  mempool_page_alloc_uaf+0xc0/0x118
[   23.195554]  kunit_try_run_case+0x170/0x3f0
[   23.195589]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   23.195629]  kthread+0x328/0x630
[   23.195663]  ret_from_fork+0x10/0x20
[   23.195696] 
[   23.201674] The buggy address belongs to the physical page:
[   23.202191] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xdf00
[   23.202916] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   23.203539] raw: 03fffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   23.204254] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   23.204962] page dumped because: kasan: bad access detected
[   23.205477] 
[   23.205630] Memory state around the buggy address:
[   23.206079]  ffff00000defff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.206746]  ffff00000defff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.207412] >ffff00000df00000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.208074]                    ^
[   23.208385]  ffff00000df00080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.209052]  ffff00000df00100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.209714] ==================================================================
[   23.121231] ==================================================================
[   23.122283] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   23.122985] Read of size 1 at addr ffff00000dc7c000 by task kunit_try_catch/283
[   23.123694] 
[   23.123879] CPU: 1 UID: 0 PID: 283 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   23.123963] Tainted: [B]=BAD_PAGE, [N]=TEST
[   23.123988] Hardware name: Radxa ROCK Pi 4B (DT)
[   23.124015] Call trace:
[   23.124034]  show_stack+0x20/0x38 (C)
[   23.124086]  dump_stack_lvl+0x8c/0xd0
[   23.124137]  print_report+0x118/0x608
[   23.124186]  kasan_report+0xdc/0x128
[   23.124234]  __asan_report_load1_noabort+0x20/0x30
[   23.124289]  mempool_uaf_helper+0x314/0x340
[   23.124347]  mempool_kmalloc_large_uaf+0xc4/0x120
[   23.124408]  kunit_try_run_case+0x170/0x3f0
[   23.124465]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   23.124531]  kthread+0x328/0x630
[   23.124587]  ret_from_fork+0x10/0x20
[   23.124640] 
[   23.130754] The buggy address belongs to the physical page:
[   23.131293] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xdc7c
[   23.132048] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   23.132781] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   23.133467] page_type: f8(unknown)
[   23.133830] raw: 03fffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   23.134578] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   23.135326] head: 03fffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   23.136081] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   23.136837] head: 03fffe0000000002 fffffdffc0371f01 00000000ffffffff 00000000ffffffff
[   23.137593] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   23.138336] page dumped because: kasan: bad access detected
[   23.138872] 
[   23.139042] Memory state around the buggy address:
[   23.139513]  ffff00000dc7bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.140209]  ffff00000dc7bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.140903] >ffff00000dc7c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.141590]                    ^
[   23.141923]  ffff00000dc7c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.142617]  ffff00000dc7c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   23.143305] ==================================================================
Metadata Full log Test run details