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

Environment
qemu-arm64
qemu-x86_64

[   15.947647] ==================================================================
[   15.947878] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   15.947931] Write of size 16 at addr fff00000c5866569 by task kunit_try_catch/179
[   15.947989] 
[   15.948071] CPU: 0 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.948154] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.948212] Hardware name: linux,dummy-virt (DT)
[   15.948243] Call trace:
[   15.948422]  show_stack+0x20/0x38 (C)
[   15.948497]  dump_stack_lvl+0x8c/0xd0
[   15.948663]  print_report+0x118/0x5d0
[   15.948776]  kasan_report+0xdc/0x128
[   15.948852]  kasan_check_range+0x100/0x1a8
[   15.949002]  __asan_memset+0x34/0x78
[   15.949058]  kmalloc_oob_memset_16+0x150/0x2f8
[   15.949220]  kunit_try_run_case+0x170/0x3f0
[   15.949270]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.949460]  kthread+0x328/0x630
[   15.949636]  ret_from_fork+0x10/0x20
[   15.950025] 
[   15.950081] Allocated by task 179:
[   15.950235]  kasan_save_stack+0x3c/0x68
[   15.950293]  kasan_save_track+0x20/0x40
[   15.950406]  kasan_save_alloc_info+0x40/0x58
[   15.950497]  __kasan_kmalloc+0xd4/0xd8
[   15.950559]  __kmalloc_cache_noprof+0x16c/0x3c0
[   15.950646]  kmalloc_oob_memset_16+0xb0/0x2f8
[   15.950717]  kunit_try_run_case+0x170/0x3f0
[   15.950765]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.951038]  kthread+0x328/0x630
[   15.951184]  ret_from_fork+0x10/0x20
[   15.951296] 
[   15.951335] The buggy address belongs to the object at fff00000c5866500
[   15.951335]  which belongs to the cache kmalloc-128 of size 128
[   15.951412] The buggy address is located 105 bytes inside of
[   15.951412]  allocated 120-byte region [fff00000c5866500, fff00000c5866578)
[   15.951594] 
[   15.951633] The buggy address belongs to the physical page:
[   15.951694] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105866
[   15.951754] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.951970] page_type: f5(slab)
[   15.952159] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   15.952329] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.952409] page dumped because: kasan: bad access detected
[   15.952513] 
[   15.952555] Memory state around the buggy address:
[   15.952613]  fff00000c5866400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.952726]  fff00000c5866480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.952771] >fff00000c5866500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.952831]                                                                 ^
[   15.952878]  fff00000c5866580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.953562]  fff00000c5866600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.953962] ==================================================================

[   16.724665] ==================================================================
[   16.724741] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   16.724788] Write of size 16 at addr fff00000c5aae569 by task kunit_try_catch/179
[   16.724843] 
[   16.724875] CPU: 1 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   16.724965] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.724999] Hardware name: linux,dummy-virt (DT)
[   16.725033] Call trace:
[   16.725055]  show_stack+0x20/0x38 (C)
[   16.725109]  dump_stack_lvl+0x8c/0xd0
[   16.725162]  print_report+0x118/0x5d0
[   16.725220]  kasan_report+0xdc/0x128
[   16.725263]  kasan_check_range+0x100/0x1a8
[   16.725354]  __asan_memset+0x34/0x78
[   16.725396]  kmalloc_oob_memset_16+0x150/0x2f8
[   16.725440]  kunit_try_run_case+0x170/0x3f0
[   16.725981]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.726042]  kthread+0x328/0x630
[   16.726084]  ret_from_fork+0x10/0x20
[   16.726205] 
[   16.726308] Allocated by task 179:
[   16.726376]  kasan_save_stack+0x3c/0x68
[   16.726497]  kasan_save_track+0x20/0x40
[   16.726597]  kasan_save_alloc_info+0x40/0x58
[   16.726729]  __kasan_kmalloc+0xd4/0xd8
[   16.726824]  __kmalloc_cache_noprof+0x16c/0x3c0
[   16.726962]  kmalloc_oob_memset_16+0xb0/0x2f8
[   16.727060]  kunit_try_run_case+0x170/0x3f0
[   16.727167]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.727221]  kthread+0x328/0x630
[   16.727252]  ret_from_fork+0x10/0x20
[   16.727414] 
[   16.727449] The buggy address belongs to the object at fff00000c5aae500
[   16.727449]  which belongs to the cache kmalloc-128 of size 128
[   16.727570] The buggy address is located 105 bytes inside of
[   16.727570]  allocated 120-byte region [fff00000c5aae500, fff00000c5aae578)
[   16.727708] 
[   16.727734] The buggy address belongs to the physical page:
[   16.727781] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105aae
[   16.727845] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.727929] page_type: f5(slab)
[   16.727966] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.728030] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.728069] page dumped because: kasan: bad access detected
[   16.728100] 
[   16.728117] Memory state around the buggy address:
[   16.728348]  fff00000c5aae400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.728425]  fff00000c5aae480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.728484] >fff00000c5aae500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.728580]                                                                 ^
[   16.728663]  fff00000c5aae580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.728748]  fff00000c5aae600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.728837] ==================================================================

[   12.791746] ==================================================================
[   12.792231] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330
[   12.792547] Write of size 16 at addr ffff8881026b2c69 by task kunit_try_catch/195
[   12.793026] 
[   12.793151] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   12.793198] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.793210] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.793232] Call Trace:
[   12.793245]  <TASK>
[   12.793261]  dump_stack_lvl+0x73/0xb0
[   12.793295]  print_report+0xd1/0x610
[   12.793319]  ? __virt_addr_valid+0x1db/0x2d0
[   12.793345]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.793367]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.793391]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.793414]  kasan_report+0x141/0x180
[   12.793436]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.793476]  kasan_check_range+0x10c/0x1c0
[   12.793512]  __asan_memset+0x27/0x50
[   12.793532]  kmalloc_oob_memset_16+0x166/0x330
[   12.793554]  ? __kasan_check_write+0x18/0x20
[   12.793574]  ? __pfx_kmalloc_oob_memset_16+0x10/0x10
[   12.793597]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   12.793624]  ? trace_hardirqs_on+0x37/0xe0
[   12.793649]  ? __pfx_read_tsc+0x10/0x10
[   12.793671]  ? ktime_get_ts64+0x86/0x230
[   12.793697]  kunit_try_run_case+0x1a5/0x480
[   12.793802]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.793828]  ? queued_spin_lock_slowpath+0x116/0xb40
[   12.793855]  ? __kthread_parkme+0x82/0x180
[   12.793877]  ? preempt_count_sub+0x50/0x80
[   12.793903]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.793928]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.793953]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.793979]  kthread+0x337/0x6f0
[   12.793998]  ? trace_preempt_on+0x20/0xc0
[   12.794021]  ? __pfx_kthread+0x10/0x10
[   12.794042]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.794064]  ? calculate_sigpending+0x7b/0xa0
[   12.794089]  ? __pfx_kthread+0x10/0x10
[   12.794111]  ret_from_fork+0x116/0x1d0
[   12.794130]  ? __pfx_kthread+0x10/0x10
[   12.794150]  ret_from_fork_asm+0x1a/0x30
[   12.794181]  </TASK>
[   12.794191] 
[   12.801962] Allocated by task 195:
[   12.802142]  kasan_save_stack+0x45/0x70
[   12.802288]  kasan_save_track+0x18/0x40
[   12.802422]  kasan_save_alloc_info+0x3b/0x50
[   12.802582]  __kasan_kmalloc+0xb7/0xc0
[   12.802941]  __kmalloc_cache_noprof+0x189/0x420
[   12.803187]  kmalloc_oob_memset_16+0xac/0x330
[   12.803410]  kunit_try_run_case+0x1a5/0x480
[   12.803709]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.803937]  kthread+0x337/0x6f0
[   12.804096]  ret_from_fork+0x116/0x1d0
[   12.804286]  ret_from_fork_asm+0x1a/0x30
[   12.804425] 
[   12.804511] The buggy address belongs to the object at ffff8881026b2c00
[   12.804511]  which belongs to the cache kmalloc-128 of size 128
[   12.805047] The buggy address is located 105 bytes inside of
[   12.805047]  allocated 120-byte region [ffff8881026b2c00, ffff8881026b2c78)
[   12.805702] 
[   12.805779] The buggy address belongs to the physical page:
[   12.806000] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026b2
[   12.806347] flags: 0x200000000000000(node=0|zone=2)
[   12.806700] page_type: f5(slab)
[   12.806856] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.807175] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.807549] page dumped because: kasan: bad access detected
[   12.807739] 
[   12.807809] Memory state around the buggy address:
[   12.807964]  ffff8881026b2b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.808185]  ffff8881026b2b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.808510] >ffff8881026b2c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.808822]                                                                 ^
[   12.809131]  ffff8881026b2c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.809422]  ffff8881026b2d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.809789] ==================================================================

[   13.022794] ==================================================================
[   13.023337] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330
[   13.023670] Write of size 16 at addr ffff888102b2e769 by task kunit_try_catch/196
[   13.024175] 
[   13.024275] CPU: 1 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   13.024317] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.024329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.024348] Call Trace:
[   13.024360]  <TASK>
[   13.024374]  dump_stack_lvl+0x73/0xb0
[   13.024406]  print_report+0xd1/0x610
[   13.024429]  ? __virt_addr_valid+0x1db/0x2d0
[   13.024453]  ? kmalloc_oob_memset_16+0x166/0x330
[   13.024476]  ? kasan_complete_mode_report_info+0x2a/0x200
[   13.024500]  ? kmalloc_oob_memset_16+0x166/0x330
[   13.024523]  kasan_report+0x141/0x180
[   13.024544]  ? kmalloc_oob_memset_16+0x166/0x330
[   13.024572]  kasan_check_range+0x10c/0x1c0
[   13.024595]  __asan_memset+0x27/0x50
[   13.024615]  kmalloc_oob_memset_16+0x166/0x330
[   13.024638]  ? __pfx_kmalloc_oob_memset_16+0x10/0x10
[   13.024691]  ? __schedule+0x10cc/0x2b60
[   13.024714]  ? __pfx_read_tsc+0x10/0x10
[   13.024736]  ? ktime_get_ts64+0x86/0x230
[   13.024763]  kunit_try_run_case+0x1a5/0x480
[   13.024789]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.024812]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.024836]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.024860]  ? __kthread_parkme+0x82/0x180
[   13.024881]  ? preempt_count_sub+0x50/0x80
[   13.024906]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.024930]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.024955]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.024981]  kthread+0x337/0x6f0
[   13.025000]  ? trace_preempt_on+0x20/0xc0
[   13.025024]  ? __pfx_kthread+0x10/0x10
[   13.025045]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.025078]  ? calculate_sigpending+0x7b/0xa0
[   13.025103]  ? __pfx_kthread+0x10/0x10
[   13.025125]  ret_from_fork+0x116/0x1d0
[   13.025144]  ? __pfx_kthread+0x10/0x10
[   13.025165]  ret_from_fork_asm+0x1a/0x30
[   13.025196]  </TASK>
[   13.025205] 
[   13.033309] Allocated by task 196:
[   13.033469]  kasan_save_stack+0x45/0x70
[   13.033710]  kasan_save_track+0x18/0x40
[   13.033935]  kasan_save_alloc_info+0x3b/0x50
[   13.034157]  __kasan_kmalloc+0xb7/0xc0
[   13.034355]  __kmalloc_cache_noprof+0x189/0x420
[   13.034581]  kmalloc_oob_memset_16+0xac/0x330
[   13.034795]  kunit_try_run_case+0x1a5/0x480
[   13.034943]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.035138]  kthread+0x337/0x6f0
[   13.035306]  ret_from_fork+0x116/0x1d0
[   13.035499]  ret_from_fork_asm+0x1a/0x30
[   13.035737] 
[   13.035832] The buggy address belongs to the object at ffff888102b2e700
[   13.035832]  which belongs to the cache kmalloc-128 of size 128
[   13.036325] The buggy address is located 105 bytes inside of
[   13.036325]  allocated 120-byte region [ffff888102b2e700, ffff888102b2e778)
[   13.036999] 
[   13.037090] The buggy address belongs to the physical page:
[   13.037295] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b2e
[   13.037979] flags: 0x200000000000000(node=0|zone=2)
[   13.038227] page_type: f5(slab)
[   13.038416] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   13.038822] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   13.039158] page dumped because: kasan: bad access detected
[   13.039410] 
[   13.039481] Memory state around the buggy address:
[   13.039634]  ffff888102b2e600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.039962]  ffff888102b2e680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.040313] >ffff888102b2e700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   13.040850]                                                                 ^
[   13.041121]  ffff888102b2e780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.041613]  ffff888102b2e800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.042018] ==================================================================