Hay
Date
July 8, 2025, 4:38 p.m.

Environment
qemu-arm64
qemu-x86_64

[   17.602819] ==================================================================
[   17.602879] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   17.602930] Write of size 1 at addr fff00000c63d6078 by task kunit_try_catch/144
[   17.602979] 
[   17.603129] CPU: 1 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G    B            N  6.15.6-rc1 #1 PREEMPT 
[   17.603298] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.603326] Hardware name: linux,dummy-virt (DT)
[   17.603369] Call trace:
[   17.603399]  show_stack+0x20/0x38 (C)
[   17.603595]  dump_stack_lvl+0x8c/0xd0
[   17.603649]  print_report+0x118/0x608
[   17.603705]  kasan_report+0xdc/0x128
[   17.603749]  __asan_report_store1_noabort+0x20/0x30
[   17.603804]  kmalloc_track_caller_oob_right+0x418/0x488
[   17.603909]  kunit_try_run_case+0x170/0x3f0
[   17.604091]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.604204]  kthread+0x328/0x630
[   17.604256]  ret_from_fork+0x10/0x20
[   17.604303] 
[   17.604321] Allocated by task 144:
[   17.604739]  kasan_save_stack+0x3c/0x68
[   17.604847]  kasan_save_track+0x20/0x40
[   17.604892]  kasan_save_alloc_info+0x40/0x58
[   17.605096]  __kasan_kmalloc+0xd4/0xd8
[   17.605163]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   17.605205]  kmalloc_track_caller_oob_right+0x184/0x488
[   17.605243]  kunit_try_run_case+0x170/0x3f0
[   17.605281]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.605324]  kthread+0x328/0x630
[   17.605378]  ret_from_fork+0x10/0x20
[   17.605413] 
[   17.605432] The buggy address belongs to the object at fff00000c63d6000
[   17.605432]  which belongs to the cache kmalloc-128 of size 128
[   17.605883] The buggy address is located 0 bytes to the right of
[   17.605883]  allocated 120-byte region [fff00000c63d6000, fff00000c63d6078)
[   17.606291] 
[   17.606501] The buggy address belongs to the physical page:
[   17.606547] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063d6
[   17.606679] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.606727] page_type: f5(slab)
[   17.607056] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.607109] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.607148] page dumped because: kasan: bad access detected
[   17.607185] 
[   17.607204] Memory state around the buggy address:
[   17.607235]  fff00000c63d5f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.607397]  fff00000c63d5f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.607647] >fff00000c63d6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.607898]                                                                 ^
[   17.608123]  fff00000c63d6080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.608457]  fff00000c63d6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.608502] ==================================================================
[   17.587130] ==================================================================
[   17.587183] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   17.587233] Write of size 1 at addr fff00000c5b9df78 by task kunit_try_catch/144
[   17.587281] 
[   17.587312] CPU: 1 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G    B            N  6.15.6-rc1 #1 PREEMPT 
[   17.589199] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.589242] Hardware name: linux,dummy-virt (DT)
[   17.589410] Call trace:
[   17.589461]  show_stack+0x20/0x38 (C)
[   17.590461]  dump_stack_lvl+0x8c/0xd0
[   17.590519]  print_report+0x118/0x608
[   17.590564]  kasan_report+0xdc/0x128
[   17.590687]  __asan_report_store1_noabort+0x20/0x30
[   17.590845]  kmalloc_track_caller_oob_right+0x40c/0x488
[   17.590896]  kunit_try_run_case+0x170/0x3f0
[   17.591439]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.591921]  kthread+0x328/0x630
[   17.592286]  ret_from_fork+0x10/0x20
[   17.592502] 
[   17.592591] Allocated by task 144:
[   17.592620]  kasan_save_stack+0x3c/0x68
[   17.592660]  kasan_save_track+0x20/0x40
[   17.592698]  kasan_save_alloc_info+0x40/0x58
[   17.592736]  __kasan_kmalloc+0xd4/0xd8
[   17.592770]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   17.592975]  kmalloc_track_caller_oob_right+0xa8/0x488
[   17.593046]  kunit_try_run_case+0x170/0x3f0
[   17.593736]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.594035]  kthread+0x328/0x630
[   17.594098]  ret_from_fork+0x10/0x20
[   17.594346] 
[   17.594367] The buggy address belongs to the object at fff00000c5b9df00
[   17.594367]  which belongs to the cache kmalloc-128 of size 128
[   17.594669] The buggy address is located 0 bytes to the right of
[   17.594669]  allocated 120-byte region [fff00000c5b9df00, fff00000c5b9df78)
[   17.594932] 
[   17.594955] The buggy address belongs to the physical page:
[   17.595150] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105b9d
[   17.595209] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.595260] page_type: f5(slab)
[   17.595509] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.595732] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.595948] page dumped because: kasan: bad access detected
[   17.595985] 
[   17.596119] Memory state around the buggy address:
[   17.596317]  fff00000c5b9de00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.596391]  fff00000c5b9de80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.596627] >fff00000c5b9df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.596664]                                                                 ^
[   17.596703]  fff00000c5b9df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.596994]  fff00000c5b9e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.597242] ==================================================================

[   10.611846] ==================================================================
[   10.612650] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.613510] Write of size 1 at addr ffff8881035ebc78 by task kunit_try_catch/162
[   10.614117] 
[   10.614215] CPU: 0 UID: 0 PID: 162 Comm: kunit_try_catch Tainted: G    B            N  6.15.6-rc1 #1 PREEMPT(voluntary) 
[   10.614260] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.614272] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.614294] Call Trace:
[   10.614306]  <TASK>
[   10.614321]  dump_stack_lvl+0x73/0xb0
[   10.614348]  print_report+0xd1/0x650
[   10.614372]  ? __virt_addr_valid+0x1db/0x2d0
[   10.614394]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.614416]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.614439]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.614461]  kasan_report+0x141/0x180
[   10.614483]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.614520]  __asan_report_store1_noabort+0x1b/0x30
[   10.614541]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.614563]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.614587]  ? __schedule+0x10cc/0x2b60
[   10.614610]  ? __pfx_read_tsc+0x10/0x10
[   10.614631]  ? ktime_get_ts64+0x86/0x230
[   10.614683]  kunit_try_run_case+0x1a5/0x480
[   10.614705]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.614724]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.614749]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.614773]  ? __kthread_parkme+0x82/0x180
[   10.614795]  ? preempt_count_sub+0x50/0x80
[   10.614820]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.614840]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.614863]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.614914]  kthread+0x337/0x6f0
[   10.614932]  ? trace_preempt_on+0x20/0xc0
[   10.614957]  ? __pfx_kthread+0x10/0x10
[   10.614975]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.614997]  ? calculate_sigpending+0x7b/0xa0
[   10.615019]  ? __pfx_kthread+0x10/0x10
[   10.615037]  ret_from_fork+0x41/0x80
[   10.615059]  ? __pfx_kthread+0x10/0x10
[   10.615077]  ret_from_fork_asm+0x1a/0x30
[   10.615107]  </TASK>
[   10.615118] 
[   10.629105] Allocated by task 162:
[   10.629242]  kasan_save_stack+0x45/0x70
[   10.629393]  kasan_save_track+0x18/0x40
[   10.629656]  kasan_save_alloc_info+0x3b/0x50
[   10.630130]  __kasan_kmalloc+0xb7/0xc0
[   10.630648]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.631315]  kmalloc_track_caller_oob_right+0x19a/0x520
[   10.631965]  kunit_try_run_case+0x1a5/0x480
[   10.632363]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.632889]  kthread+0x337/0x6f0
[   10.633082]  ret_from_fork+0x41/0x80
[   10.633219]  ret_from_fork_asm+0x1a/0x30
[   10.633357] 
[   10.633430] The buggy address belongs to the object at ffff8881035ebc00
[   10.633430]  which belongs to the cache kmalloc-128 of size 128
[   10.634639] The buggy address is located 0 bytes to the right of
[   10.634639]  allocated 120-byte region [ffff8881035ebc00, ffff8881035ebc78)
[   10.635645] 
[   10.635727] The buggy address belongs to the physical page:
[   10.635980] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1035eb
[   10.636704] flags: 0x200000000000000(node=0|zone=2)
[   10.637243] page_type: f5(slab)
[   10.637538] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.638310] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.638582] page dumped because: kasan: bad access detected
[   10.639104] 
[   10.639310] Memory state around the buggy address:
[   10.639949]  ffff8881035ebb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.640542]  ffff8881035ebb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.641116] >ffff8881035ebc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.641739]                                                                 ^
[   10.642090]  ffff8881035ebc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.642704]  ffff8881035ebd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.643357] ==================================================================
[   10.587689] ==================================================================
[   10.588338] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.588665] Write of size 1 at addr ffff8881035ebb78 by task kunit_try_catch/162
[   10.589178] 
[   10.589313] CPU: 0 UID: 0 PID: 162 Comm: kunit_try_catch Tainted: G    B            N  6.15.6-rc1 #1 PREEMPT(voluntary) 
[   10.589369] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.589390] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.589410] Call Trace:
[   10.589421]  <TASK>
[   10.589437]  dump_stack_lvl+0x73/0xb0
[   10.589474]  print_report+0xd1/0x650
[   10.589497]  ? __virt_addr_valid+0x1db/0x2d0
[   10.589529]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.589552]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.589575]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.589597]  kasan_report+0x141/0x180
[   10.589621]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.589657]  __asan_report_store1_noabort+0x1b/0x30
[   10.589678]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.589700]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.589734]  ? __schedule+0x10cc/0x2b60
[   10.589759]  ? __pfx_read_tsc+0x10/0x10
[   10.589780]  ? ktime_get_ts64+0x86/0x230
[   10.589812]  kunit_try_run_case+0x1a5/0x480
[   10.589834]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.589854]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.589895]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.589920]  ? __kthread_parkme+0x82/0x180
[   10.589942]  ? preempt_count_sub+0x50/0x80
[   10.589981]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.590002]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.590026]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.590050]  kthread+0x337/0x6f0
[   10.590067]  ? trace_preempt_on+0x20/0xc0
[   10.590090]  ? __pfx_kthread+0x10/0x10
[   10.590109]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.590131]  ? calculate_sigpending+0x7b/0xa0
[   10.590153]  ? __pfx_kthread+0x10/0x10
[   10.590172]  ret_from_fork+0x41/0x80
[   10.590193]  ? __pfx_kthread+0x10/0x10
[   10.590211]  ret_from_fork_asm+0x1a/0x30
[   10.590242]  </TASK>
[   10.590253] 
[   10.598413] Allocated by task 162:
[   10.598614]  kasan_save_stack+0x45/0x70
[   10.598894]  kasan_save_track+0x18/0x40
[   10.599106]  kasan_save_alloc_info+0x3b/0x50
[   10.599351]  __kasan_kmalloc+0xb7/0xc0
[   10.599580]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.599809]  kmalloc_track_caller_oob_right+0x99/0x520
[   10.599991]  kunit_try_run_case+0x1a5/0x480
[   10.600139]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.600449]  kthread+0x337/0x6f0
[   10.600648]  ret_from_fork+0x41/0x80
[   10.600840]  ret_from_fork_asm+0x1a/0x30
[   10.601065] 
[   10.601172] The buggy address belongs to the object at ffff8881035ebb00
[   10.601172]  which belongs to the cache kmalloc-128 of size 128
[   10.601659] The buggy address is located 0 bytes to the right of
[   10.601659]  allocated 120-byte region [ffff8881035ebb00, ffff8881035ebb78)
[   10.602831] 
[   10.603209] The buggy address belongs to the physical page:
[   10.604017] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1035eb
[   10.604376] flags: 0x200000000000000(node=0|zone=2)
[   10.604588] page_type: f5(slab)
[   10.604976] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.605715] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.606252] page dumped because: kasan: bad access detected
[   10.606430] 
[   10.606503] Memory state around the buggy address:
[   10.607001]  ffff8881035eba00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.607695]  ffff8881035eba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.608611] >ffff8881035ebb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.609338]                                                                 ^
[   10.609898]  ffff8881035ebb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.610245]  ffff8881035ebc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.610463] ==================================================================