Hay
Date
May 26, 2025, 9:10 a.m.

Environment
qemu-arm64
qemu-x86_64

[   16.902785] ==================================================================
[   16.902890] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   16.903229] Write of size 1 at addr fff00000c3ef0d78 by task kunit_try_catch/142
[   16.903397] 
[   16.903487] CPU: 0 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   16.904010] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.904107] Hardware name: linux,dummy-virt (DT)
[   16.904183] Call trace:
[   16.904304]  show_stack+0x20/0x38 (C)
[   16.904444]  dump_stack_lvl+0x8c/0xd0
[   16.904592]  print_report+0x118/0x608
[   16.904710]  kasan_report+0xdc/0x128
[   16.905086]  __asan_report_store1_noabort+0x20/0x30
[   16.905556]  kmalloc_track_caller_oob_right+0x418/0x488
[   16.905696]  kunit_try_run_case+0x170/0x3f0
[   16.905829]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.906024]  kthread+0x328/0x630
[   16.906141]  ret_from_fork+0x10/0x20
[   16.906571] 
[   16.906614] Allocated by task 142:
[   16.906690]  kasan_save_stack+0x3c/0x68
[   16.906784]  kasan_save_track+0x20/0x40
[   16.906863]  kasan_save_alloc_info+0x40/0x58
[   16.907013]  __kasan_kmalloc+0xd4/0xd8
[   16.907191]  __kmalloc_node_track_caller_noprof+0x18c/0x4c0
[   16.907358]  kmalloc_track_caller_oob_right+0x184/0x488
[   16.907466]  kunit_try_run_case+0x170/0x3f0
[   16.907665]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.907749]  kthread+0x328/0x630
[   16.907804]  ret_from_fork+0x10/0x20
[   16.907866] 
[   16.907903] The buggy address belongs to the object at fff00000c3ef0d00
[   16.907903]  which belongs to the cache kmalloc-128 of size 128
[   16.908010] The buggy address is located 0 bytes to the right of
[   16.908010]  allocated 120-byte region [fff00000c3ef0d00, fff00000c3ef0d78)
[   16.908542] 
[   16.908716] The buggy address belongs to the physical page:
[   16.908908] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ef0
[   16.909016] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.909126] page_type: f5(slab)
[   16.909210] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.909489] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.909620] page dumped because: kasan: bad access detected
[   16.909703] 
[   16.909738] Memory state around the buggy address:
[   16.909803]  fff00000c3ef0c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.910205]  fff00000c3ef0c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.910391] >fff00000c3ef0d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.910573]                                                                 ^
[   16.910755]  fff00000c3ef0d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.910921]  fff00000c3ef0e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.910991] ==================================================================
[   16.893902] ==================================================================
[   16.894226] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   16.894370] Write of size 1 at addr fff00000c3ef0c78 by task kunit_try_catch/142
[   16.894469] 
[   16.894549] CPU: 0 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   16.894737] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.894815] Hardware name: linux,dummy-virt (DT)
[   16.894876] Call trace:
[   16.894930]  show_stack+0x20/0x38 (C)
[   16.895369]  dump_stack_lvl+0x8c/0xd0
[   16.895566]  print_report+0x118/0x608
[   16.895765]  kasan_report+0xdc/0x128
[   16.895896]  __asan_report_store1_noabort+0x20/0x30
[   16.896009]  kmalloc_track_caller_oob_right+0x40c/0x488
[   16.896108]  kunit_try_run_case+0x170/0x3f0
[   16.896215]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.896342]  kthread+0x328/0x630
[   16.896457]  ret_from_fork+0x10/0x20
[   16.896608] 
[   16.896649] Allocated by task 142:
[   16.896717]  kasan_save_stack+0x3c/0x68
[   16.896829]  kasan_save_track+0x20/0x40
[   16.896949]  kasan_save_alloc_info+0x40/0x58
[   16.897081]  __kasan_kmalloc+0xd4/0xd8
[   16.897196]  __kmalloc_node_track_caller_noprof+0x18c/0x4c0
[   16.897302]  kmalloc_track_caller_oob_right+0xa8/0x488
[   16.897403]  kunit_try_run_case+0x170/0x3f0
[   16.897483]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.897568]  kthread+0x328/0x630
[   16.897645]  ret_from_fork+0x10/0x20
[   16.897773] 
[   16.897838] The buggy address belongs to the object at fff00000c3ef0c00
[   16.897838]  which belongs to the cache kmalloc-128 of size 128
[   16.898001] The buggy address is located 0 bytes to the right of
[   16.898001]  allocated 120-byte region [fff00000c3ef0c00, fff00000c3ef0c78)
[   16.898146] 
[   16.898201] The buggy address belongs to the physical page:
[   16.898285] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ef0
[   16.898597] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.898757] page_type: f5(slab)
[   16.899021] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.899288] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.899673] page dumped because: kasan: bad access detected
[   16.899748] 
[   16.899784] Memory state around the buggy address:
[   16.899850]  fff00000c3ef0b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.899936]  fff00000c3ef0b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.900075] >fff00000c3ef0c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.900171]                                                                 ^
[   16.900288]  fff00000c3ef0c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.900408]  fff00000c3ef0d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.900531] ==================================================================


[   10.400234] ==================================================================
[   10.400713] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.400972] Write of size 1 at addr ffff888102818e78 by task kunit_try_catch/160
[   10.402062] 
[   10.402249] CPU: 0 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) 
[   10.402296] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.402308] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.402330] Call Trace:
[   10.402342]  <TASK>
[   10.402358]  dump_stack_lvl+0x73/0xb0
[   10.402398]  print_report+0xd1/0x650
[   10.402421]  ? __virt_addr_valid+0x1db/0x2d0
[   10.402602]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.402627]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.402649]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.402674]  kasan_report+0x141/0x180
[   10.402697]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.402728]  __asan_report_store1_noabort+0x1b/0x30
[   10.402749]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.402773]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.402801]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.402832]  kunit_try_run_case+0x1a5/0x480
[   10.402852]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.402871]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.402896]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.402920]  ? __kthread_parkme+0x82/0x180
[   10.402940]  ? preempt_count_sub+0x50/0x80
[   10.402963]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.402983]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.403021]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.403044]  kthread+0x337/0x6f0
[   10.403063]  ? trace_preempt_on+0x20/0xc0
[   10.403086]  ? __pfx_kthread+0x10/0x10
[   10.403107]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.403129]  ? calculate_sigpending+0x7b/0xa0
[   10.403152]  ? __pfx_kthread+0x10/0x10
[   10.403173]  ret_from_fork+0x116/0x1d0
[   10.403191]  ? __pfx_kthread+0x10/0x10
[   10.403211]  ret_from_fork_asm+0x1a/0x30
[   10.403241]  </TASK>
[   10.403251] 
[   10.418592] Allocated by task 160:
[   10.418893]  kasan_save_stack+0x45/0x70
[   10.419411]  kasan_save_track+0x18/0x40
[   10.419683]  kasan_save_alloc_info+0x3b/0x50
[   10.420060]  __kasan_kmalloc+0xb7/0xc0
[   10.420413]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.420596]  kmalloc_track_caller_oob_right+0x99/0x520
[   10.420889]  kunit_try_run_case+0x1a5/0x480
[   10.421355]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.422079]  kthread+0x337/0x6f0
[   10.422425]  ret_from_fork+0x116/0x1d0
[   10.422806]  ret_from_fork_asm+0x1a/0x30
[   10.422960] 
[   10.423036] The buggy address belongs to the object at ffff888102818e00
[   10.423036]  which belongs to the cache kmalloc-128 of size 128
[   10.424292] The buggy address is located 0 bytes to the right of
[   10.424292]  allocated 120-byte region [ffff888102818e00, ffff888102818e78)
[   10.424766] 
[   10.424935] The buggy address belongs to the physical page:
[   10.425637] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102818
[   10.426545] flags: 0x200000000000000(node=0|zone=2)
[   10.426789] page_type: f5(slab)
[   10.427208] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.427586] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.427834] page dumped because: kasan: bad access detected
[   10.428050] 
[   10.428218] Memory state around the buggy address:
[   10.428655]  ffff888102818d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.429526]  ffff888102818d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.429911] >ffff888102818e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.430468]                                                                 ^
[   10.431269]  ffff888102818e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.431506]  ffff888102818f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.431729] ==================================================================
[   10.432797] ==================================================================
[   10.433470] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.434466] Write of size 1 at addr ffff888102818f78 by task kunit_try_catch/160
[   10.435160] 
[   10.435340] CPU: 0 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) 
[   10.435395] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.435408] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.435428] Call Trace:
[   10.435439]  <TASK>
[   10.435454]  dump_stack_lvl+0x73/0xb0
[   10.435481]  print_report+0xd1/0x650
[   10.435504]  ? __virt_addr_valid+0x1db/0x2d0
[   10.435526]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.435550]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.435572]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.435597]  kasan_report+0x141/0x180
[   10.435619]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.435648]  __asan_report_store1_noabort+0x1b/0x30
[   10.435669]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.435693]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.435728]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.435758]  kunit_try_run_case+0x1a5/0x480
[   10.435778]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.435797]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.435822]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.435847]  ? __kthread_parkme+0x82/0x180
[   10.435866]  ? preempt_count_sub+0x50/0x80
[   10.435889]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.435910]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.435933]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.435956]  kthread+0x337/0x6f0
[   10.435975]  ? trace_preempt_on+0x20/0xc0
[   10.435999]  ? __pfx_kthread+0x10/0x10
[   10.436029]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.436051]  ? calculate_sigpending+0x7b/0xa0
[   10.436075]  ? __pfx_kthread+0x10/0x10
[   10.436096]  ret_from_fork+0x116/0x1d0
[   10.436114]  ? __pfx_kthread+0x10/0x10
[   10.436133]  ret_from_fork_asm+0x1a/0x30
[   10.436163]  </TASK>
[   10.436172] 
[   10.446777] Allocated by task 160:
[   10.447172]  kasan_save_stack+0x45/0x70
[   10.447365]  kasan_save_track+0x18/0x40
[   10.447558]  kasan_save_alloc_info+0x3b/0x50
[   10.447704]  __kasan_kmalloc+0xb7/0xc0
[   10.447912]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.448226]  kmalloc_track_caller_oob_right+0x19a/0x520
[   10.448553]  kunit_try_run_case+0x1a5/0x480
[   10.448771]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.448952]  kthread+0x337/0x6f0
[   10.449157]  ret_from_fork+0x116/0x1d0
[   10.449467]  ret_from_fork_asm+0x1a/0x30
[   10.449668] 
[   10.449753] The buggy address belongs to the object at ffff888102818f00
[   10.449753]  which belongs to the cache kmalloc-128 of size 128
[   10.450480] The buggy address is located 0 bytes to the right of
[   10.450480]  allocated 120-byte region [ffff888102818f00, ffff888102818f78)
[   10.451096] 
[   10.451173] The buggy address belongs to the physical page:
[   10.451347] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102818
[   10.451965] flags: 0x200000000000000(node=0|zone=2)
[   10.452325] page_type: f5(slab)
[   10.452483] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.452836] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.453079] page dumped because: kasan: bad access detected
[   10.453460] 
[   10.453555] Memory state around the buggy address:
[   10.453774]  ffff888102818e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.454077]  ffff888102818e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.454333] >ffff888102818f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.454655]                                                                 ^
[   10.454954]  ffff888102818f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.455315]  ffff888102819000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.455666] ==================================================================