Hay
Date
June 18, 2025, 6:43 a.m.

Environment
qemu-arm64
qemu-x86_64

[   19.781730] ==================================================================
[   19.781871] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   19.782047] Write of size 1 at addr fff00000c6423578 by task kunit_try_catch/152
[   19.782180] 
[   19.782257] CPU: 0 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT 
[   19.782979] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.783044] Hardware name: linux,dummy-virt (DT)
[   19.783104] Call trace:
[   19.783171]  show_stack+0x20/0x38 (C)
[   19.783285]  dump_stack_lvl+0x8c/0xd0
[   19.783381]  print_report+0x118/0x608
[   19.783878]  kasan_report+0xdc/0x128
[   19.784149]  __asan_report_store1_noabort+0x20/0x30
[   19.784514]  kmalloc_track_caller_oob_right+0x418/0x488
[   19.784664]  kunit_try_run_case+0x170/0x3f0
[   19.784781]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.784908]  kthread+0x328/0x630
[   19.785011]  ret_from_fork+0x10/0x20
[   19.785136] 
[   19.785178] Allocated by task 152:
[   19.785241]  kasan_save_stack+0x3c/0x68
[   19.785334]  kasan_save_track+0x20/0x40
[   19.786110]  kasan_save_alloc_info+0x40/0x58
[   19.786220]  __kasan_kmalloc+0xd4/0xd8
[   19.786301]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   19.786387]  kmalloc_track_caller_oob_right+0x184/0x488
[   19.786457]  kunit_try_run_case+0x170/0x3f0
[   19.786538]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.786658]  kthread+0x328/0x630
[   19.786728]  ret_from_fork+0x10/0x20
[   19.786799] 
[   19.786834] The buggy address belongs to the object at fff00000c6423500
[   19.786834]  which belongs to the cache kmalloc-128 of size 128
[   19.786956] The buggy address is located 0 bytes to the right of
[   19.786956]  allocated 120-byte region [fff00000c6423500, fff00000c6423578)
[   19.787412] 
[   19.787472] The buggy address belongs to the physical page:
[   19.787646] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106423
[   19.787955] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   19.788386] page_type: f5(slab)
[   19.788481] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   19.789407] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.789939] page dumped because: kasan: bad access detected
[   19.790102] 
[   19.790166] Memory state around the buggy address:
[   19.790369]  fff00000c6423400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.790459]  fff00000c6423480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.790543] >fff00000c6423500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.790618]                                                                 ^
[   19.791220]  fff00000c6423580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.791694]  fff00000c6423600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.791946] ==================================================================
[   19.769151] ==================================================================
[   19.769326] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   19.769464] Write of size 1 at addr fff00000c6423478 by task kunit_try_catch/152
[   19.769577] 
[   19.769656] CPU: 0 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT 
[   19.769849] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.769911] Hardware name: linux,dummy-virt (DT)
[   19.769982] Call trace:
[   19.771070]  show_stack+0x20/0x38 (C)
[   19.771714]  dump_stack_lvl+0x8c/0xd0
[   19.771876]  print_report+0x118/0x608
[   19.772012]  kasan_report+0xdc/0x128
[   19.772125]  __asan_report_store1_noabort+0x20/0x30
[   19.772536]  kmalloc_track_caller_oob_right+0x40c/0x488
[   19.772805]  kunit_try_run_case+0x170/0x3f0
[   19.773163]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.773449]  kthread+0x328/0x630
[   19.773750]  ret_from_fork+0x10/0x20
[   19.774011] 
[   19.774138] Allocated by task 152:
[   19.774214]  kasan_save_stack+0x3c/0x68
[   19.774600]  kasan_save_track+0x20/0x40
[   19.774679]  kasan_save_alloc_info+0x40/0x58
[   19.774762]  __kasan_kmalloc+0xd4/0xd8
[   19.774891]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   19.775135]  kmalloc_track_caller_oob_right+0xa8/0x488
[   19.775326]  kunit_try_run_case+0x170/0x3f0
[   19.775737]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.775949]  kthread+0x328/0x630
[   19.776138]  ret_from_fork+0x10/0x20
[   19.776253] 
[   19.776301] The buggy address belongs to the object at fff00000c6423400
[   19.776301]  which belongs to the cache kmalloc-128 of size 128
[   19.776433] The buggy address is located 0 bytes to the right of
[   19.776433]  allocated 120-byte region [fff00000c6423400, fff00000c6423478)
[   19.776599] 
[   19.777053] The buggy address belongs to the physical page:
[   19.777136] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106423
[   19.777389] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   19.777678] page_type: f5(slab)
[   19.777794] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   19.778110] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.778327] page dumped because: kasan: bad access detected
[   19.778459] 
[   19.778520] Memory state around the buggy address:
[   19.778774]  fff00000c6423300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.778879]  fff00000c6423380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.779065] >fff00000c6423400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.779204]                                                                 ^
[   19.779325]  fff00000c6423480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.779433]  fff00000c6423500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.779515] ==================================================================

[   10.586329] ==================================================================
[   10.586768] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.587110] Write of size 1 at addr ffff888101add678 by task kunit_try_catch/168
[   10.587570] 
[   10.587672] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[   10.587718] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.587729] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.587750] Call Trace:
[   10.587762]  <TASK>
[   10.587778]  dump_stack_lvl+0x73/0xb0
[   10.587805]  print_report+0xd1/0x650
[   10.587826]  ? __virt_addr_valid+0x1db/0x2d0
[   10.587848]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.587870]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.587894]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.587917]  kasan_report+0x141/0x180
[   10.587937]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.588150]  __asan_report_store1_noabort+0x1b/0x30
[   10.588173]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   10.588196]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.588231]  ? __schedule+0x10cc/0x2b60
[   10.588252]  ? __pfx_read_tsc+0x10/0x10
[   10.588272]  ? ktime_get_ts64+0x86/0x230
[   10.588296]  kunit_try_run_case+0x1a5/0x480
[   10.588318]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.588339]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.588360]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.588381]  ? __kthread_parkme+0x82/0x180
[   10.588400]  ? preempt_count_sub+0x50/0x80
[   10.588422]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.588444]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.588465]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.588486]  kthread+0x337/0x6f0
[   10.588504]  ? trace_preempt_on+0x20/0xc0
[   10.588526]  ? __pfx_kthread+0x10/0x10
[   10.588546]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.588565]  ? calculate_sigpending+0x7b/0xa0
[   10.588588]  ? __pfx_kthread+0x10/0x10
[   10.588607]  ret_from_fork+0x116/0x1d0
[   10.588625]  ? __pfx_kthread+0x10/0x10
[   10.588644]  ret_from_fork_asm+0x1a/0x30
[   10.588676]  </TASK>
[   10.588686] 
[   10.598650] Allocated by task 168:
[   10.598796]  kasan_save_stack+0x45/0x70
[   10.599147]  kasan_save_track+0x18/0x40
[   10.599432]  kasan_save_alloc_info+0x3b/0x50
[   10.599887]  __kasan_kmalloc+0xb7/0xc0
[   10.600128]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.600513]  kmalloc_track_caller_oob_right+0x19a/0x520
[   10.600717]  kunit_try_run_case+0x1a5/0x480
[   10.600920]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.601140]  kthread+0x337/0x6f0
[   10.601323]  ret_from_fork+0x116/0x1d0
[   10.601483]  ret_from_fork_asm+0x1a/0x30
[   10.601679] 
[   10.601754] The buggy address belongs to the object at ffff888101add600
[   10.601754]  which belongs to the cache kmalloc-128 of size 128
[   10.602867] The buggy address is located 0 bytes to the right of
[   10.602867]  allocated 120-byte region [ffff888101add600, ffff888101add678)
[   10.603481] 
[   10.603749] The buggy address belongs to the physical page:
[   10.603990] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add
[   10.604582] flags: 0x200000000000000(node=0|zone=2)
[   10.604766] page_type: f5(slab)
[   10.605058] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.605418] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.605952] page dumped because: kasan: bad access detected
[   10.606177] 
[   10.606281] Memory state around the buggy address:
[   10.606904]  ffff888101add500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.607170]  ffff888101add580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.607645] >ffff888101add600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.607956]                                                                 ^
[   10.608259]  ffff888101add680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.608547]  ffff888101add700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.608839] ==================================================================
[   10.562310] ==================================================================
[   10.562852] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.563186] Write of size 1 at addr ffff888101add578 by task kunit_try_catch/168
[   10.563496] 
[   10.563685] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[   10.563733] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.563745] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.563766] Call Trace:
[   10.563778]  <TASK>
[   10.563794]  dump_stack_lvl+0x73/0xb0
[   10.563823]  print_report+0xd1/0x650
[   10.563843]  ? __virt_addr_valid+0x1db/0x2d0
[   10.563866]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.563888]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.563912]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.563935]  kasan_report+0x141/0x180
[   10.563954]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.563982]  __asan_report_store1_noabort+0x1b/0x30
[   10.564004]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   10.564027]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   10.564051]  ? __schedule+0x10cc/0x2b60
[   10.564072]  ? __pfx_read_tsc+0x10/0x10
[   10.564093]  ? ktime_get_ts64+0x86/0x230
[   10.564117]  kunit_try_run_case+0x1a5/0x480
[   10.564141]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.564161]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.564183]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.564216]  ? __kthread_parkme+0x82/0x180
[   10.564237]  ? preempt_count_sub+0x50/0x80
[   10.564259]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.564280]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.564301]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.564322]  kthread+0x337/0x6f0
[   10.564340]  ? trace_preempt_on+0x20/0xc0
[   10.564363]  ? __pfx_kthread+0x10/0x10
[   10.564383]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.564402]  ? calculate_sigpending+0x7b/0xa0
[   10.564425]  ? __pfx_kthread+0x10/0x10
[   10.564445]  ret_from_fork+0x116/0x1d0
[   10.564462]  ? __pfx_kthread+0x10/0x10
[   10.564481]  ret_from_fork_asm+0x1a/0x30
[   10.564510]  </TASK>
[   10.564520] 
[   10.574236] Allocated by task 168:
[   10.574375]  kasan_save_stack+0x45/0x70
[   10.574557]  kasan_save_track+0x18/0x40
[   10.574739]  kasan_save_alloc_info+0x3b/0x50
[   10.574925]  __kasan_kmalloc+0xb7/0xc0
[   10.575096]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   10.575911]  kmalloc_track_caller_oob_right+0x99/0x520
[   10.576101]  kunit_try_run_case+0x1a5/0x480
[   10.576427]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.576951]  kthread+0x337/0x6f0
[   10.577094]  ret_from_fork+0x116/0x1d0
[   10.577322]  ret_from_fork_asm+0x1a/0x30
[   10.577749] 
[   10.577961] The buggy address belongs to the object at ffff888101add500
[   10.577961]  which belongs to the cache kmalloc-128 of size 128
[   10.578683] The buggy address is located 0 bytes to the right of
[   10.578683]  allocated 120-byte region [ffff888101add500, ffff888101add578)
[   10.579586] 
[   10.579769] The buggy address belongs to the physical page:
[   10.580016] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add
[   10.580498] flags: 0x200000000000000(node=0|zone=2)
[   10.580830] page_type: f5(slab)
[   10.580966] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   10.581502] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   10.581935] page dumped because: kasan: bad access detected
[   10.582183] 
[   10.582409] Memory state around the buggy address:
[   10.582659]  ffff888101add400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   10.583068]  ffff888101add480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.583725] >ffff888101add500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   10.584022]                                                                 ^
[   10.584565]  ffff888101add580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.584938]  ffff888101add600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.585253] ==================================================================