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

Environment
qemu-arm64
qemu-x86_64

[   15.558252] ==================================================================
[   15.558314] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   15.558366] Read of size 1 at addr fff00000c5ed5000 by task kunit_try_catch/141
[   15.558415] 
[   15.558448] CPU: 0 UID: 0 PID: 141 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.558529] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.558554] Hardware name: linux,dummy-virt (DT)
[   15.558584] Call trace:
[   15.558605]  show_stack+0x20/0x38 (C)
[   15.558652]  dump_stack_lvl+0x8c/0xd0
[   15.558698]  print_report+0x118/0x5d0
[   15.558743]  kasan_report+0xdc/0x128
[   15.558786]  __asan_report_load1_noabort+0x20/0x30
[   15.558836]  kmalloc_node_oob_right+0x2f4/0x330
[   15.558882]  kunit_try_run_case+0x170/0x3f0
[   15.558928]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.558979]  kthread+0x328/0x630
[   15.559019]  ret_from_fork+0x10/0x20
[   15.559065] 
[   15.559082] Allocated by task 141:
[   15.559109]  kasan_save_stack+0x3c/0x68
[   15.559147]  kasan_save_track+0x20/0x40
[   15.559182]  kasan_save_alloc_info+0x40/0x58
[   15.561265]  __kasan_kmalloc+0xd4/0xd8
[   15.561305]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   15.561346]  kmalloc_node_oob_right+0xbc/0x330
[   15.561446]  kunit_try_run_case+0x170/0x3f0
[   15.561483]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.561525]  kthread+0x328/0x630
[   15.561557]  ret_from_fork+0x10/0x20
[   15.562367] 
[   15.562391] The buggy address belongs to the object at fff00000c5ed4000
[   15.562391]  which belongs to the cache kmalloc-4k of size 4096
[   15.562450] The buggy address is located 0 bytes to the right of
[   15.562450]  allocated 4096-byte region [fff00000c5ed4000, fff00000c5ed5000)
[   15.562716] 
[   15.562738] The buggy address belongs to the physical page:
[   15.562813] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ed0
[   15.563610] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   15.563951] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   15.564037] page_type: f5(slab)
[   15.564975] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   15.565036] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   15.565111] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   15.565160] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   15.565227] head: 0bfffe0000000003 ffffc1ffc317b401 00000000ffffffff 00000000ffffffff
[   15.565278] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   15.565322] page dumped because: kasan: bad access detected
[   15.565352] 
[   15.565370] Memory state around the buggy address:
[   15.565403]  fff00000c5ed4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   15.565451]  fff00000c5ed4f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   15.565516] >fff00000c5ed5000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.565556]                    ^
[   15.565583]  fff00000c5ed5080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.565624]  fff00000c5ed5100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.565662] ==================================================================

[   11.896424] ==================================================================
[   11.897671] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   11.898456] Read of size 1 at addr ffff888103a81000 by task kunit_try_catch/157
[   11.899174] 
[   11.899289] CPU: 0 UID: 0 PID: 157 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.899336] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.899348] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.899369] Call Trace:
[   11.899384]  <TASK>
[   11.899429]  dump_stack_lvl+0x73/0xb0
[   11.899473]  print_report+0xd1/0x610
[   11.899518]  ? __virt_addr_valid+0x1db/0x2d0
[   11.899734]  ? kmalloc_node_oob_right+0x369/0x3c0
[   11.899765]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.899789]  ? kmalloc_node_oob_right+0x369/0x3c0
[   11.899813]  kasan_report+0x141/0x180
[   11.899835]  ? kmalloc_node_oob_right+0x369/0x3c0
[   11.899863]  __asan_report_load1_noabort+0x18/0x20
[   11.899888]  kmalloc_node_oob_right+0x369/0x3c0
[   11.899912]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   11.899938]  ? __schedule+0x10cc/0x2b60
[   11.899961]  ? __pfx_read_tsc+0x10/0x10
[   11.899983]  ? ktime_get_ts64+0x86/0x230
[   11.900007]  kunit_try_run_case+0x1a5/0x480
[   11.900032]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.900055]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.900079]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.900103]  ? __kthread_parkme+0x82/0x180
[   11.900123]  ? preempt_count_sub+0x50/0x80
[   11.900148]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.900172]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.900196]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.900221]  kthread+0x337/0x6f0
[   11.900240]  ? trace_preempt_on+0x20/0xc0
[   11.900263]  ? __pfx_kthread+0x10/0x10
[   11.900287]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.900308]  ? calculate_sigpending+0x7b/0xa0
[   11.900333]  ? __pfx_kthread+0x10/0x10
[   11.900354]  ret_from_fork+0x116/0x1d0
[   11.900373]  ? __pfx_kthread+0x10/0x10
[   11.900410]  ret_from_fork_asm+0x1a/0x30
[   11.900441]  </TASK>
[   11.900463] 
[   11.915717] Allocated by task 157:
[   11.916157]  kasan_save_stack+0x45/0x70
[   11.916729]  kasan_save_track+0x18/0x40
[   11.917208]  kasan_save_alloc_info+0x3b/0x50
[   11.917798]  __kasan_kmalloc+0xb7/0xc0
[   11.918270]  __kmalloc_cache_node_noprof+0x188/0x420
[   11.918775]  kmalloc_node_oob_right+0xab/0x3c0
[   11.918943]  kunit_try_run_case+0x1a5/0x480
[   11.919086]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.919257]  kthread+0x337/0x6f0
[   11.919374]  ret_from_fork+0x116/0x1d0
[   11.919656]  ret_from_fork_asm+0x1a/0x30
[   11.920408] 
[   11.920637] The buggy address belongs to the object at ffff888103a80000
[   11.920637]  which belongs to the cache kmalloc-4k of size 4096
[   11.921983] The buggy address is located 0 bytes to the right of
[   11.921983]  allocated 4096-byte region [ffff888103a80000, ffff888103a81000)
[   11.922345] 
[   11.922619] The buggy address belongs to the physical page:
[   11.923372] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a80
[   11.924689] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   11.925454] flags: 0x200000000000040(head|node=0|zone=2)
[   11.926147] page_type: f5(slab)
[   11.926640] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   11.927258] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   11.927538] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   11.927776] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   11.928011] head: 0200000000000003 ffffea00040ea001 00000000ffffffff 00000000ffffffff
[   11.928242] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   11.928504] page dumped because: kasan: bad access detected
[   11.928905] 
[   11.929440] Memory state around the buggy address:
[   11.929775]  ffff888103a80f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   11.930166]  ffff888103a80f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   11.930677] >ffff888103a81000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.931060]                    ^
[   11.931229]  ffff888103a81080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.931755]  ffff888103a81100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.932234] ==================================================================

[   12.132159] ==================================================================
[   12.133307] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   12.133639] Read of size 1 at addr ffff888102a55000 by task kunit_try_catch/158
[   12.134414] 
[   12.134607] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   12.134673] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.134684] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.134709] Call Trace:
[   12.134720]  <TASK>
[   12.134738]  dump_stack_lvl+0x73/0xb0
[   12.134806]  print_report+0xd1/0x610
[   12.134864]  ? __virt_addr_valid+0x1db/0x2d0
[   12.134888]  ? kmalloc_node_oob_right+0x369/0x3c0
[   12.134912]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.134935]  ? kmalloc_node_oob_right+0x369/0x3c0
[   12.134959]  kasan_report+0x141/0x180
[   12.134981]  ? kmalloc_node_oob_right+0x369/0x3c0
[   12.135009]  __asan_report_load1_noabort+0x18/0x20
[   12.135036]  kmalloc_node_oob_right+0x369/0x3c0
[   12.135071]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   12.135098]  ? __schedule+0x10cc/0x2b60
[   12.135121]  ? __pfx_read_tsc+0x10/0x10
[   12.135143]  ? ktime_get_ts64+0x86/0x230
[   12.135168]  kunit_try_run_case+0x1a5/0x480
[   12.135194]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.135217]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.135241]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.135265]  ? __kthread_parkme+0x82/0x180
[   12.135285]  ? preempt_count_sub+0x50/0x80
[   12.135309]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.135333]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.135358]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.135383]  kthread+0x337/0x6f0
[   12.135402]  ? trace_preempt_on+0x20/0xc0
[   12.135425]  ? __pfx_kthread+0x10/0x10
[   12.135445]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.135466]  ? calculate_sigpending+0x7b/0xa0
[   12.135491]  ? __pfx_kthread+0x10/0x10
[   12.135512]  ret_from_fork+0x116/0x1d0
[   12.135531]  ? __pfx_kthread+0x10/0x10
[   12.135551]  ret_from_fork_asm+0x1a/0x30
[   12.135582]  </TASK>
[   12.135591] 
[   12.149810] Allocated by task 158:
[   12.150300]  kasan_save_stack+0x45/0x70
[   12.150497]  kasan_save_track+0x18/0x40
[   12.150684]  kasan_save_alloc_info+0x3b/0x50
[   12.150884]  __kasan_kmalloc+0xb7/0xc0
[   12.151067]  __kmalloc_cache_node_noprof+0x188/0x420
[   12.151266]  kmalloc_node_oob_right+0xab/0x3c0
[   12.151486]  kunit_try_run_case+0x1a5/0x480
[   12.151681]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.151859]  kthread+0x337/0x6f0
[   12.151984]  ret_from_fork+0x116/0x1d0
[   12.152234]  ret_from_fork_asm+0x1a/0x30
[   12.152571] 
[   12.152676] The buggy address belongs to the object at ffff888102a54000
[   12.152676]  which belongs to the cache kmalloc-4k of size 4096
[   12.153165] The buggy address is located 0 bytes to the right of
[   12.153165]  allocated 4096-byte region [ffff888102a54000, ffff888102a55000)
[   12.153604] 
[   12.153678] The buggy address belongs to the physical page:
[   12.153996] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a50
[   12.154608] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   12.155164] flags: 0x200000000000040(head|node=0|zone=2)
[   12.155510] page_type: f5(slab)
[   12.155718] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   12.156004] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   12.156379] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   12.156794] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   12.157084] head: 0200000000000003 ffffea00040a9401 00000000ffffffff 00000000ffffffff
[   12.157496] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   12.157761] page dumped because: kasan: bad access detected
[   12.158015] 
[   12.158123] Memory state around the buggy address:
[   12.158339]  ffff888102a54f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   12.158588]  ffff888102a54f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   12.158897] >ffff888102a55000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.159308]                    ^
[   12.159530]  ffff888102a55080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.159847]  ffff888102a55100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.160272] ==================================================================