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

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

[   24.050591] ==================================================================
[   24.050761] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430
[   24.050950] Read of size 1 at addr fff00000c68120c8 by task kunit_try_catch/209
[   24.051082] 
[   24.051206] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   24.051537] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.051631] Hardware name: linux,dummy-virt (DT)
[   24.051769] Call trace:
[   24.051836]  show_stack+0x20/0x38 (C)
[   24.051996]  dump_stack_lvl+0x8c/0xd0
[   24.052133]  print_report+0x118/0x608
[   24.052257]  kasan_report+0xdc/0x128
[   24.052492]  __asan_report_load1_noabort+0x20/0x30
[   24.052714]  kmem_cache_oob+0x344/0x430
[   24.052857]  kunit_try_run_case+0x170/0x3f0
[   24.053065]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.053217]  kthread+0x328/0x630
[   24.053340]  ret_from_fork+0x10/0x20
[   24.053456] 
[   24.053504] Allocated by task 209:
[   24.053600]  kasan_save_stack+0x3c/0x68
[   24.053731]  kasan_save_track+0x20/0x40
[   24.053826]  kasan_save_alloc_info+0x40/0x58
[   24.054049]  __kasan_slab_alloc+0xa8/0xb0
[   24.054150]  kmem_cache_alloc_noprof+0x10c/0x3a0
[   24.054260]  kmem_cache_oob+0x12c/0x430
[   24.054406]  kunit_try_run_case+0x170/0x3f0
[   24.054508]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.054634]  kthread+0x328/0x630
[   24.054740]  ret_from_fork+0x10/0x20
[   24.054848] 
[   24.054924] The buggy address belongs to the object at fff00000c6812000
[   24.054924]  which belongs to the cache test_cache of size 200
[   24.055189] The buggy address is located 0 bytes to the right of
[   24.055189]  allocated 200-byte region [fff00000c6812000, fff00000c68120c8)
[   24.055498] 
[   24.055674] The buggy address belongs to the physical page:
[   24.055812] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106812
[   24.055960] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   24.056079] page_type: f5(slab)
[   24.056173] raw: 0bfffe0000000000 fff00000c1743640 dead000000000122 0000000000000000
[   24.056502] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   24.056631] page dumped because: kasan: bad access detected
[   24.056716] 
[   24.056761] Memory state around the buggy address:
[   24.057087]  fff00000c6811f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   24.057196]  fff00000c6812000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.057300] >fff00000c6812080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   24.057601]                                               ^
[   24.058238]  fff00000c6812100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.058494]  fff00000c6812180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.058963] ==================================================================

[   12.124853] ==================================================================
[   12.125506] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530
[   12.126094] Read of size 1 at addr ffff88810274b0c8 by task kunit_try_catch/227
[   12.126658] 
[   12.126951] CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   12.127019] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.127031] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.127052] Call Trace:
[   12.127064]  <TASK>
[   12.127080]  dump_stack_lvl+0x73/0xb0
[   12.127184]  print_report+0xd1/0x650
[   12.127209]  ? __virt_addr_valid+0x1db/0x2d0
[   12.127231]  ? kmem_cache_oob+0x402/0x530
[   12.127250]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.127271]  ? kmem_cache_oob+0x402/0x530
[   12.127290]  kasan_report+0x141/0x180
[   12.127312]  ? kmem_cache_oob+0x402/0x530
[   12.127360]  __asan_report_load1_noabort+0x18/0x20
[   12.127380]  kmem_cache_oob+0x402/0x530
[   12.127410]  ? trace_hardirqs_on+0x37/0xe0
[   12.127433]  ? __pfx_kmem_cache_oob+0x10/0x10
[   12.127451]  ? finish_task_switch.isra.0+0x153/0x700
[   12.127473]  ? __switch_to+0x5d9/0xf60
[   12.127494]  ? dequeue_task_fair+0x166/0x4e0
[   12.127522]  ? __pfx_read_tsc+0x10/0x10
[   12.127542]  ? ktime_get_ts64+0x86/0x230
[   12.127567]  kunit_try_run_case+0x1a5/0x480
[   12.127591]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.127611]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.127635]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.127658]  ? __kthread_parkme+0x82/0x180
[   12.127678]  ? preempt_count_sub+0x50/0x80
[   12.127702]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.127724]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.127745]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.127767]  kthread+0x337/0x6f0
[   12.127787]  ? trace_preempt_on+0x20/0xc0
[   12.127808]  ? __pfx_kthread+0x10/0x10
[   12.127829]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.127850]  ? calculate_sigpending+0x7b/0xa0
[   12.127872]  ? __pfx_kthread+0x10/0x10
[   12.127893]  ret_from_fork+0x41/0x80
[   12.127913]  ? __pfx_kthread+0x10/0x10
[   12.127934]  ret_from_fork_asm+0x1a/0x30
[   12.127965]  </TASK>
[   12.127976] 
[   12.139661] Allocated by task 227:
[   12.139844]  kasan_save_stack+0x45/0x70
[   12.140033]  kasan_save_track+0x18/0x40
[   12.140624]  kasan_save_alloc_info+0x3b/0x50
[   12.140961]  __kasan_slab_alloc+0x91/0xa0
[   12.141275]  kmem_cache_alloc_noprof+0x123/0x3f0
[   12.141612]  kmem_cache_oob+0x157/0x530
[   12.142005]  kunit_try_run_case+0x1a5/0x480
[   12.142471]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.142923]  kthread+0x337/0x6f0
[   12.143193]  ret_from_fork+0x41/0x80
[   12.143576]  ret_from_fork_asm+0x1a/0x30
[   12.143767] 
[   12.143858] The buggy address belongs to the object at ffff88810274b000
[   12.143858]  which belongs to the cache test_cache of size 200
[   12.144864] The buggy address is located 0 bytes to the right of
[   12.144864]  allocated 200-byte region [ffff88810274b000, ffff88810274b0c8)
[   12.145800] 
[   12.146035] The buggy address belongs to the physical page:
[   12.146550] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10274b
[   12.146872] flags: 0x200000000000000(node=0|zone=2)
[   12.147089] page_type: f5(slab)
[   12.147510] raw: 0200000000000000 ffff888101a70140 dead000000000122 0000000000000000
[   12.148189] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   12.148700] page dumped because: kasan: bad access detected
[   12.149107] 
[   12.149362] Memory state around the buggy address:
[   12.149795]  ffff88810274af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.150101]  ffff88810274b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   12.150712] >ffff88810274b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   12.151021]                                               ^
[   12.151510]  ffff88810274b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.151988]  ffff88810274b180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.152529] ==================================================================

[   22.087341] ==================================================================
[   22.088376] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430
[   22.089024] Read of size 1 at addr ffff0000100be0c8 by task kunit_try_catch/261
[   22.089703] 
[   22.089871] CPU: 3 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   22.089922] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.089936] Hardware name: Radxa ROCK Pi 4B (DT)
[   22.089954] Call trace:
[   22.089966]  show_stack+0x20/0x38 (C)
[   22.090000]  dump_stack_lvl+0x8c/0xd0
[   22.090032]  print_report+0x118/0x608
[   22.090063]  kasan_report+0xdc/0x128
[   22.090091]  __asan_report_load1_noabort+0x20/0x30
[   22.090124]  kmem_cache_oob+0x344/0x430
[   22.090158]  kunit_try_run_case+0x170/0x3f0
[   22.090193]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.090233]  kthread+0x328/0x630
[   22.090267]  ret_from_fork+0x10/0x20
[   22.090300] 
[   22.095854] Allocated by task 261:
[   22.096179]  kasan_save_stack+0x3c/0x68
[   22.096552]  kasan_save_track+0x20/0x40
[   22.096924]  kasan_save_alloc_info+0x40/0x58
[   22.097337]  __kasan_slab_alloc+0xa8/0xb0
[   22.097724]  kmem_cache_alloc_noprof+0x10c/0x3a0
[   22.098169]  kmem_cache_oob+0x12c/0x430
[   22.098544]  kunit_try_run_case+0x170/0x3f0
[   22.098951]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.099476]  kthread+0x328/0x630
[   22.099798]  ret_from_fork+0x10/0x20
[   22.100149] 
[   22.100302] The buggy address belongs to the object at ffff0000100be000
[   22.100302]  which belongs to the cache test_cache of size 200
[   22.101428] The buggy address is located 0 bytes to the right of
[   22.101428]  allocated 200-byte region [ffff0000100be000, ffff0000100be0c8)
[   22.102604] 
[   22.102758] The buggy address belongs to the physical page:
[   22.103274] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100be
[   22.104007] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   22.104713] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   22.105365] page_type: f5(slab)
[   22.105678] raw: 03fffe0000000040 ffff0000100bc000 dead000000000122 0000000000000000
[   22.106396] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   22.107111] head: 03fffe0000000040 ffff0000100bc000 dead000000000122 0000000000000000
[   22.107835] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   22.108559] head: 03fffe0000000001 fffffdffc0402f81 00000000ffffffff 00000000ffffffff
[   22.109282] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   22.109997] page dumped because: kasan: bad access detected
[   22.110512] 
[   22.110664] Memory state around the buggy address:
[   22.111114]  ffff0000100bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.111780]  ffff0000100be000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   22.112447] >ffff0000100be080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   22.113109]                                               ^
[   22.113628]  ffff0000100be100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.114295]  ffff0000100be180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.114957] ==================================================================