Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.809100] ================================================================== [ 22.809978] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0xa84/0xbc0 [ 22.812610] kasan_bitops_test_and_modify.constprop.0+0xa84/0xbc0 [ 22.815458] kthread+0x328/0x630 [ 22.817066] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106191 [ 22.819413] >fff00000c6191580: 00 01 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.861387] Read of size 4 at addr fff00000c659e330 by task kunit_try_catch/265 [ 22.867606] kasan_save_track+0x20/0x40 [ 22.870373] [ 22.871272] page_type: f5(slab) [ 22.871938] [ 22.872635] fff00000c659e280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 22.872932] ^ [ 22.876237] BUG: KASAN: slab-out-of-bounds in kasan_atomics_helper+0x3f7c/0x4858 [ 22.878168] kasan_report+0xdc/0x128 [ 22.882945] The buggy address is located 0 bytes to the right of [ 22.882945] allocated 48-byte region [fff00000c659e300, fff00000c659e330) [ 22.885501] fff00000c659e280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 22.891206] dump_stack_lvl+0x8c/0xd0 [ 22.893284] kasan_save_track+0x20/0x40 [ 22.895497] page_type: f5(slab) [ 22.896341] [ 22.896696] >fff00000c659e300: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc [ 22.897708] fff00000c659e400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.904849] kthread+0x328/0x630 [ 22.906580] [ 22.906635] The buggy address belongs to the physical page: [ 22.906942] page_type: f5(slab) [ 22.907710] fff00000c659e280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 22.913713] dump_stack_lvl+0x8c/0xd0 [ 22.917394] kasan_save_track+0x20/0x40 [ 22.919164] ret_from_fork+0x10/0x20 [ 22.920065] [ 22.920557] page_type: f5(slab) [ 22.920958] [ 22.922081] >fff00000c659e300: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc [ 22.922587] ^ [ 22.923089] ==================================================================
[ 13.931884] ================================================================== [ 13.932222] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x4b9/0xd90 [ 13.932649] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.933026] [ 13.933160] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.933200] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.933211] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.933239] Call Trace: [ 13.933254] <TASK> [ 13.933267] dump_stack_lvl+0x73/0xb0 [ 13.933384] print_report+0xd1/0x650 [ 13.933414] ? __virt_addr_valid+0x1db/0x2d0 [ 13.933439] ? kasan_bitops_test_and_modify.constprop.0+0x4b9/0xd90 [ 13.933465] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.933487] ? kasan_bitops_test_and_modify.constprop.0+0x4b9/0xd90 [ 13.933513] kasan_report+0x141/0x180 [ 13.933534] ? kasan_bitops_test_and_modify.constprop.0+0x4b9/0xd90 [ 13.933566] kasan_check_range+0x10c/0x1c0 [ 13.933601] __kasan_check_write+0x18/0x20 [ 13.933620] kasan_bitops_test_and_modify.constprop.0+0x4b9/0xd90 [ 13.933647] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.933686] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.933710] ? kasan_bitops_generic+0x92/0x1c0 [ 13.933736] kasan_bitops_generic+0x121/0x1c0 [ 13.933759] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.933784] ? __pfx_read_tsc+0x10/0x10 [ 13.933805] ? ktime_get_ts64+0x86/0x230 [ 13.933829] kunit_try_run_case+0x1a5/0x480 [ 13.933851] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.933873] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.933896] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.933925] ? __kthread_parkme+0x82/0x180 [ 13.933946] ? preempt_count_sub+0x50/0x80 [ 13.933969] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.934001] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.934023] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.934045] kthread+0x337/0x6f0 [ 13.934064] ? trace_preempt_on+0x20/0xc0 [ 13.934094] ? __pfx_kthread+0x10/0x10 [ 13.934114] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.934166] ? calculate_sigpending+0x7b/0xa0 [ 13.934189] ? __pfx_kthread+0x10/0x10 [ 13.934210] ret_from_fork+0x116/0x1d0 [ 13.934228] ? __pfx_kthread+0x10/0x10 [ 13.934248] ret_from_fork_asm+0x1a/0x30 [ 13.934278] </TASK> [ 13.934288] [ 13.942730] Allocated by task 278: [ 13.942879] kasan_save_stack+0x45/0x70 [ 13.943029] kasan_save_track+0x18/0x40 [ 13.944974] kasan_save_alloc_info+0x3b/0x50 [ 13.945271] __kasan_kmalloc+0xb7/0xc0 [ 13.945612] __kmalloc_cache_noprof+0x189/0x420 [ 13.945843] kasan_bitops_generic+0x92/0x1c0 [ 13.946053] kunit_try_run_case+0x1a5/0x480 [ 13.946284] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.946619] kthread+0x337/0x6f0 [ 13.946809] ret_from_fork+0x116/0x1d0 [ 13.946994] ret_from_fork_asm+0x1a/0x30 [ 13.947219] [ 13.947518] The buggy address belongs to the object at ffff8881023854e0 [ 13.947518] which belongs to the cache kmalloc-16 of size 16 [ 13.948068] The buggy address is located 8 bytes inside of [ 13.948068] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.948568] [ 13.948690] The buggy address belongs to the physical page: [ 13.948942] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.949279] flags: 0x200000000000000(node=0|zone=2) [ 13.949634] page_type: f5(slab) [ 13.949799] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.950134] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.950567] page dumped because: kasan: bad access detected [ 13.950800] [ 13.950918] Memory state around the buggy address: [ 13.951076] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.951384] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.951873] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.952235] ^ [ 13.952591] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.952895] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.953240] ================================================================== [ 13.953967] ================================================================== [ 13.954486] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x557/0xd90 [ 13.954879] Read of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.955218] [ 13.955546] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.955592] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.955604] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.955637] Call Trace: [ 13.955649] <TASK> [ 13.955662] dump_stack_lvl+0x73/0xb0 [ 13.955689] print_report+0xd1/0x650 [ 13.955720] ? __virt_addr_valid+0x1db/0x2d0 [ 13.955742] ? kasan_bitops_test_and_modify.constprop.0+0x557/0xd90 [ 13.955780] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.955802] ? kasan_bitops_test_and_modify.constprop.0+0x557/0xd90 [ 13.955828] kasan_report+0x141/0x180 [ 13.955850] ? kasan_bitops_test_and_modify.constprop.0+0x557/0xd90 [ 13.955889] kasan_check_range+0x10c/0x1c0 [ 13.955912] __kasan_check_read+0x15/0x20 [ 13.955930] kasan_bitops_test_and_modify.constprop.0+0x557/0xd90 [ 13.955967] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.955995] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.956019] ? kasan_bitops_generic+0x92/0x1c0 [ 13.956046] kasan_bitops_generic+0x121/0x1c0 [ 13.956068] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.956100] ? __pfx_read_tsc+0x10/0x10 [ 13.956153] ? ktime_get_ts64+0x86/0x230 [ 13.956180] kunit_try_run_case+0x1a5/0x480 [ 13.956204] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.956226] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.956248] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.956269] ? __kthread_parkme+0x82/0x180 [ 13.956289] ? preempt_count_sub+0x50/0x80 [ 13.956395] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.956419] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.956441] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.956474] kthread+0x337/0x6f0 [ 13.956493] ? trace_preempt_on+0x20/0xc0 [ 13.956515] ? __pfx_kthread+0x10/0x10 [ 13.956536] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.956557] ? calculate_sigpending+0x7b/0xa0 [ 13.956579] ? __pfx_kthread+0x10/0x10 [ 13.956600] ret_from_fork+0x116/0x1d0 [ 13.956617] ? __pfx_kthread+0x10/0x10 [ 13.956638] ret_from_fork_asm+0x1a/0x30 [ 13.956667] </TASK> [ 13.956679] [ 13.965871] Allocated by task 278: [ 13.966496] kasan_save_stack+0x45/0x70 [ 13.966711] kasan_save_track+0x18/0x40 [ 13.966855] kasan_save_alloc_info+0x3b/0x50 [ 13.967015] __kasan_kmalloc+0xb7/0xc0 [ 13.967176] __kmalloc_cache_noprof+0x189/0x420 [ 13.967400] kasan_bitops_generic+0x92/0x1c0 [ 13.967604] kunit_try_run_case+0x1a5/0x480 [ 13.967811] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.968013] kthread+0x337/0x6f0 [ 13.970213] ret_from_fork+0x116/0x1d0 [ 13.970501] ret_from_fork_asm+0x1a/0x30 [ 13.970724] [ 13.970821] The buggy address belongs to the object at ffff8881023854e0 [ 13.970821] which belongs to the cache kmalloc-16 of size 16 [ 13.971380] The buggy address is located 8 bytes inside of [ 13.971380] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.971811] [ 13.971891] The buggy address belongs to the physical page: [ 13.972204] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.972965] flags: 0x200000000000000(node=0|zone=2) [ 13.973229] page_type: f5(slab) [ 13.973939] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.974420] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.975402] page dumped because: kasan: bad access detected [ 13.976891] [ 13.976979] Memory state around the buggy address: [ 13.977525] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.978445] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.978783] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.979016] ^ [ 13.980094] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.980630] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.981241] ================================================================== [ 13.796819] ================================================================== [ 13.797165] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x101/0xd90 [ 13.797708] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.798092] [ 13.798281] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.798339] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.798351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.798370] Call Trace: [ 13.798384] <TASK> [ 13.798399] dump_stack_lvl+0x73/0xb0 [ 13.798440] print_report+0xd1/0x650 [ 13.798474] ? __virt_addr_valid+0x1db/0x2d0 [ 13.798515] ? kasan_bitops_test_and_modify.constprop.0+0x101/0xd90 [ 13.798544] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.798565] ? kasan_bitops_test_and_modify.constprop.0+0x101/0xd90 [ 13.798603] kasan_report+0x141/0x180 [ 13.798694] ? kasan_bitops_test_and_modify.constprop.0+0x101/0xd90 [ 13.798726] kasan_check_range+0x10c/0x1c0 [ 13.798748] __kasan_check_write+0x18/0x20 [ 13.798767] kasan_bitops_test_and_modify.constprop.0+0x101/0xd90 [ 13.798795] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.798822] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.798846] ? kasan_bitops_generic+0x92/0x1c0 [ 13.798872] kasan_bitops_generic+0x121/0x1c0 [ 13.798895] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.799077] ? __pfx_read_tsc+0x10/0x10 [ 13.799098] ? ktime_get_ts64+0x86/0x230 [ 13.799132] kunit_try_run_case+0x1a5/0x480 [ 13.799156] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.799178] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.799232] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.799254] ? __kthread_parkme+0x82/0x180 [ 13.799299] ? preempt_count_sub+0x50/0x80 [ 13.799389] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.799425] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.799448] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.799470] kthread+0x337/0x6f0 [ 13.799501] ? trace_preempt_on+0x20/0xc0 [ 13.799524] ? __pfx_kthread+0x10/0x10 [ 13.799543] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.799564] ? calculate_sigpending+0x7b/0xa0 [ 13.799587] ? __pfx_kthread+0x10/0x10 [ 13.799607] ret_from_fork+0x116/0x1d0 [ 13.799624] ? __pfx_kthread+0x10/0x10 [ 13.799645] ret_from_fork_asm+0x1a/0x30 [ 13.799674] </TASK> [ 13.799684] [ 13.809664] Allocated by task 278: [ 13.809847] kasan_save_stack+0x45/0x70 [ 13.810129] kasan_save_track+0x18/0x40 [ 13.810451] kasan_save_alloc_info+0x3b/0x50 [ 13.810649] __kasan_kmalloc+0xb7/0xc0 [ 13.810828] __kmalloc_cache_noprof+0x189/0x420 [ 13.811036] kasan_bitops_generic+0x92/0x1c0 [ 13.811294] kunit_try_run_case+0x1a5/0x480 [ 13.811445] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.811698] kthread+0x337/0x6f0 [ 13.811903] ret_from_fork+0x116/0x1d0 [ 13.812373] ret_from_fork_asm+0x1a/0x30 [ 13.812569] [ 13.812663] The buggy address belongs to the object at ffff8881023854e0 [ 13.812663] which belongs to the cache kmalloc-16 of size 16 [ 13.813212] The buggy address is located 8 bytes inside of [ 13.813212] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.813860] [ 13.814029] The buggy address belongs to the physical page: [ 13.814289] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.814860] flags: 0x200000000000000(node=0|zone=2) [ 13.815184] page_type: f5(slab) [ 13.815474] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.815769] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.816103] page dumped because: kasan: bad access detected [ 13.816363] [ 13.816458] Memory state around the buggy address: [ 13.816683] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.816986] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.817487] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.817760] ^ [ 13.818173] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.818772] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.819147] ================================================================== [ 13.888119] ================================================================== [ 13.888382] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x37c/0xd90 [ 13.888880] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.889245] [ 13.889398] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.889474] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.889487] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.889506] Call Trace: [ 13.889519] <TASK> [ 13.889534] dump_stack_lvl+0x73/0xb0 [ 13.889570] print_report+0xd1/0x650 [ 13.889593] ? __virt_addr_valid+0x1db/0x2d0 [ 13.889615] ? kasan_bitops_test_and_modify.constprop.0+0x37c/0xd90 [ 13.889654] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.889676] ? kasan_bitops_test_and_modify.constprop.0+0x37c/0xd90 [ 13.889703] kasan_report+0x141/0x180 [ 13.889723] ? kasan_bitops_test_and_modify.constprop.0+0x37c/0xd90 [ 13.889754] kasan_check_range+0x10c/0x1c0 [ 13.889779] __kasan_check_write+0x18/0x20 [ 13.889798] kasan_bitops_test_and_modify.constprop.0+0x37c/0xd90 [ 13.889825] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.889851] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.889875] ? kasan_bitops_generic+0x92/0x1c0 [ 13.889902] kasan_bitops_generic+0x121/0x1c0 [ 13.889934] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.889958] ? __pfx_read_tsc+0x10/0x10 [ 13.889977] ? ktime_get_ts64+0x86/0x230 [ 13.890012] kunit_try_run_case+0x1a5/0x480 [ 13.890035] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.890057] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.890078] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.890107] ? __kthread_parkme+0x82/0x180 [ 13.890144] ? preempt_count_sub+0x50/0x80 [ 13.890167] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.890201] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.890223] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.890246] kthread+0x337/0x6f0 [ 13.890264] ? trace_preempt_on+0x20/0xc0 [ 13.890286] ? __pfx_kthread+0x10/0x10 [ 13.890385] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.890411] ? calculate_sigpending+0x7b/0xa0 [ 13.890434] ? __pfx_kthread+0x10/0x10 [ 13.890454] ret_from_fork+0x116/0x1d0 [ 13.890472] ? __pfx_kthread+0x10/0x10 [ 13.890491] ret_from_fork_asm+0x1a/0x30 [ 13.890526] </TASK> [ 13.890537] [ 13.899860] Allocated by task 278: [ 13.899994] kasan_save_stack+0x45/0x70 [ 13.900227] kasan_save_track+0x18/0x40 [ 13.900537] kasan_save_alloc_info+0x3b/0x50 [ 13.900694] __kasan_kmalloc+0xb7/0xc0 [ 13.900826] __kmalloc_cache_noprof+0x189/0x420 [ 13.901023] kasan_bitops_generic+0x92/0x1c0 [ 13.901243] kunit_try_run_case+0x1a5/0x480 [ 13.901673] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.901886] kthread+0x337/0x6f0 [ 13.902008] ret_from_fork+0x116/0x1d0 [ 13.902239] ret_from_fork_asm+0x1a/0x30 [ 13.902679] [ 13.902797] The buggy address belongs to the object at ffff8881023854e0 [ 13.902797] which belongs to the cache kmalloc-16 of size 16 [ 13.903500] The buggy address is located 8 bytes inside of [ 13.903500] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.904098] [ 13.904263] The buggy address belongs to the physical page: [ 13.904447] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.904687] flags: 0x200000000000000(node=0|zone=2) [ 13.905025] page_type: f5(slab) [ 13.905285] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.905851] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.906086] page dumped because: kasan: bad access detected [ 13.906338] [ 13.906447] Memory state around the buggy address: [ 13.906704] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.907299] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.907686] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.908302] ^ [ 13.908753] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.909079] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.909471] ================================================================== [ 13.820297] ================================================================== [ 13.820617] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x1a0/0xd90 [ 13.820992] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.821325] [ 13.821425] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.821466] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.821478] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.821498] Call Trace: [ 13.821511] <TASK> [ 13.821524] dump_stack_lvl+0x73/0xb0 [ 13.821549] print_report+0xd1/0x650 [ 13.821572] ? __virt_addr_valid+0x1db/0x2d0 [ 13.821595] ? kasan_bitops_test_and_modify.constprop.0+0x1a0/0xd90 [ 13.821621] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.821643] ? kasan_bitops_test_and_modify.constprop.0+0x1a0/0xd90 [ 13.821669] kasan_report+0x141/0x180 [ 13.821691] ? kasan_bitops_test_and_modify.constprop.0+0x1a0/0xd90 [ 13.821721] kasan_check_range+0x10c/0x1c0 [ 13.821744] __kasan_check_write+0x18/0x20 [ 13.821762] kasan_bitops_test_and_modify.constprop.0+0x1a0/0xd90 [ 13.821789] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.821816] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.821840] ? kasan_bitops_generic+0x92/0x1c0 [ 13.821866] kasan_bitops_generic+0x121/0x1c0 [ 13.821888] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.821912] ? __pfx_read_tsc+0x10/0x10 [ 13.821932] ? ktime_get_ts64+0x86/0x230 [ 13.821956] kunit_try_run_case+0x1a5/0x480 [ 13.821977] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.821999] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.822021] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.822042] ? __kthread_parkme+0x82/0x180 [ 13.822062] ? preempt_count_sub+0x50/0x80 [ 13.822086] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.822109] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.822488] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.822522] kthread+0x337/0x6f0 [ 13.822557] ? trace_preempt_on+0x20/0xc0 [ 13.822581] ? __pfx_kthread+0x10/0x10 [ 13.822601] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.822621] ? calculate_sigpending+0x7b/0xa0 [ 13.822644] ? __pfx_kthread+0x10/0x10 [ 13.822665] ret_from_fork+0x116/0x1d0 [ 13.822683] ? __pfx_kthread+0x10/0x10 [ 13.822703] ret_from_fork_asm+0x1a/0x30 [ 13.822732] </TASK> [ 13.822743] [ 13.832969] Allocated by task 278: [ 13.833217] kasan_save_stack+0x45/0x70 [ 13.833437] kasan_save_track+0x18/0x40 [ 13.833752] kasan_save_alloc_info+0x3b/0x50 [ 13.834002] __kasan_kmalloc+0xb7/0xc0 [ 13.834151] __kmalloc_cache_noprof+0x189/0x420 [ 13.834353] kasan_bitops_generic+0x92/0x1c0 [ 13.834629] kunit_try_run_case+0x1a5/0x480 [ 13.834994] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.835587] kthread+0x337/0x6f0 [ 13.835912] ret_from_fork+0x116/0x1d0 [ 13.836060] ret_from_fork_asm+0x1a/0x30 [ 13.836289] [ 13.836553] The buggy address belongs to the object at ffff8881023854e0 [ 13.836553] which belongs to the cache kmalloc-16 of size 16 [ 13.837035] The buggy address is located 8 bytes inside of [ 13.837035] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.837785] [ 13.837925] The buggy address belongs to the physical page: [ 13.838226] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.838611] flags: 0x200000000000000(node=0|zone=2) [ 13.839159] page_type: f5(slab) [ 13.839453] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.839814] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.840137] page dumped because: kasan: bad access detected [ 13.840575] [ 13.840658] Memory state around the buggy address: [ 13.840849] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.841188] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.841590] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.841925] ^ [ 13.842194] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.842796] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.843090] ================================================================== [ 13.909938] ================================================================== [ 13.910358] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x41a/0xd90 [ 13.910695] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.911204] [ 13.911323] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.911366] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.911379] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.911494] Call Trace: [ 13.911512] <TASK> [ 13.911527] dump_stack_lvl+0x73/0xb0 [ 13.911554] print_report+0xd1/0x650 [ 13.911576] ? __virt_addr_valid+0x1db/0x2d0 [ 13.911598] ? kasan_bitops_test_and_modify.constprop.0+0x41a/0xd90 [ 13.911625] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.911647] ? kasan_bitops_test_and_modify.constprop.0+0x41a/0xd90 [ 13.911674] kasan_report+0x141/0x180 [ 13.911695] ? kasan_bitops_test_and_modify.constprop.0+0x41a/0xd90 [ 13.911839] kasan_check_range+0x10c/0x1c0 [ 13.911870] __kasan_check_write+0x18/0x20 [ 13.911888] kasan_bitops_test_and_modify.constprop.0+0x41a/0xd90 [ 13.911916] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.911943] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.911967] ? kasan_bitops_generic+0x92/0x1c0 [ 13.911994] kasan_bitops_generic+0x121/0x1c0 [ 13.912026] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.912051] ? __pfx_read_tsc+0x10/0x10 [ 13.912071] ? ktime_get_ts64+0x86/0x230 [ 13.912105] kunit_try_run_case+0x1a5/0x480 [ 13.912150] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.912172] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.912194] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.912215] ? __kthread_parkme+0x82/0x180 [ 13.912245] ? preempt_count_sub+0x50/0x80 [ 13.912267] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.912290] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.912391] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.912416] kthread+0x337/0x6f0 [ 13.912435] ? trace_preempt_on+0x20/0xc0 [ 13.912457] ? __pfx_kthread+0x10/0x10 [ 13.912477] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.912497] ? calculate_sigpending+0x7b/0xa0 [ 13.912520] ? __pfx_kthread+0x10/0x10 [ 13.912539] ret_from_fork+0x116/0x1d0 [ 13.912557] ? __pfx_kthread+0x10/0x10 [ 13.912577] ret_from_fork_asm+0x1a/0x30 [ 13.912618] </TASK> [ 13.912628] [ 13.921955] Allocated by task 278: [ 13.922199] kasan_save_stack+0x45/0x70 [ 13.922350] kasan_save_track+0x18/0x40 [ 13.922486] kasan_save_alloc_info+0x3b/0x50 [ 13.922871] __kasan_kmalloc+0xb7/0xc0 [ 13.923067] __kmalloc_cache_noprof+0x189/0x420 [ 13.923672] kasan_bitops_generic+0x92/0x1c0 [ 13.923848] kunit_try_run_case+0x1a5/0x480 [ 13.924006] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.924547] kthread+0x337/0x6f0 [ 13.924713] ret_from_fork+0x116/0x1d0 [ 13.924860] ret_from_fork_asm+0x1a/0x30 [ 13.925002] [ 13.925095] The buggy address belongs to the object at ffff8881023854e0 [ 13.925095] which belongs to the cache kmalloc-16 of size 16 [ 13.925780] The buggy address is located 8 bytes inside of [ 13.925780] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.926484] [ 13.926571] The buggy address belongs to the physical page: [ 13.926805] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.927232] flags: 0x200000000000000(node=0|zone=2) [ 13.927704] page_type: f5(slab) [ 13.927872] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.928258] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.928658] page dumped because: kasan: bad access detected [ 13.928915] [ 13.929012] Memory state around the buggy address: [ 13.929262] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.929538] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.929913] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.930275] ^ [ 13.930615] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.930873] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.931220] ================================================================== [ 13.843764] ================================================================== [ 13.844101] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x23e/0xd90 [ 13.844689] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.844940] [ 13.845098] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.845150] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.845161] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.845181] Call Trace: [ 13.845198] <TASK> [ 13.845213] dump_stack_lvl+0x73/0xb0 [ 13.845239] print_report+0xd1/0x650 [ 13.845262] ? __virt_addr_valid+0x1db/0x2d0 [ 13.845284] ? kasan_bitops_test_and_modify.constprop.0+0x23e/0xd90 [ 13.845390] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.845439] ? kasan_bitops_test_and_modify.constprop.0+0x23e/0xd90 [ 13.845466] kasan_report+0x141/0x180 [ 13.845509] ? kasan_bitops_test_and_modify.constprop.0+0x23e/0xd90 [ 13.845539] kasan_check_range+0x10c/0x1c0 [ 13.845573] __kasan_check_write+0x18/0x20 [ 13.845592] kasan_bitops_test_and_modify.constprop.0+0x23e/0xd90 [ 13.845620] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.845647] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.845671] ? kasan_bitops_generic+0x92/0x1c0 [ 13.845698] kasan_bitops_generic+0x121/0x1c0 [ 13.845720] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.845775] ? __pfx_read_tsc+0x10/0x10 [ 13.845795] ? ktime_get_ts64+0x86/0x230 [ 13.845842] kunit_try_run_case+0x1a5/0x480 [ 13.845865] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.845886] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.845908] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.845930] ? __kthread_parkme+0x82/0x180 [ 13.845950] ? preempt_count_sub+0x50/0x80 [ 13.845971] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.845994] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.846016] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.846038] kthread+0x337/0x6f0 [ 13.846056] ? trace_preempt_on+0x20/0xc0 [ 13.846078] ? __pfx_kthread+0x10/0x10 [ 13.846097] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.846118] ? calculate_sigpending+0x7b/0xa0 [ 13.846149] ? __pfx_kthread+0x10/0x10 [ 13.846170] ret_from_fork+0x116/0x1d0 [ 13.846188] ? __pfx_kthread+0x10/0x10 [ 13.846208] ret_from_fork_asm+0x1a/0x30 [ 13.846237] </TASK> [ 13.846248] [ 13.856164] Allocated by task 278: [ 13.856351] kasan_save_stack+0x45/0x70 [ 13.856773] kasan_save_track+0x18/0x40 [ 13.856983] kasan_save_alloc_info+0x3b/0x50 [ 13.857146] __kasan_kmalloc+0xb7/0xc0 [ 13.857336] __kmalloc_cache_noprof+0x189/0x420 [ 13.857620] kasan_bitops_generic+0x92/0x1c0 [ 13.857832] kunit_try_run_case+0x1a5/0x480 [ 13.857988] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.858528] kthread+0x337/0x6f0 [ 13.858721] ret_from_fork+0x116/0x1d0 [ 13.858903] ret_from_fork_asm+0x1a/0x30 [ 13.859074] [ 13.859241] The buggy address belongs to the object at ffff8881023854e0 [ 13.859241] which belongs to the cache kmalloc-16 of size 16 [ 13.859840] The buggy address is located 8 bytes inside of [ 13.859840] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.860457] [ 13.860667] The buggy address belongs to the physical page: [ 13.860963] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.861356] flags: 0x200000000000000(node=0|zone=2) [ 13.861545] page_type: f5(slab) [ 13.861768] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.862165] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.862519] page dumped because: kasan: bad access detected [ 13.862973] [ 13.863074] Memory state around the buggy address: [ 13.863485] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.863824] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.864131] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.864435] ^ [ 13.864846] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.865237] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.865655] ================================================================== [ 13.866158] ================================================================== [ 13.866692] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0x2dd/0xd90 [ 13.867106] Write of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.867532] [ 13.867648] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.867691] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.867703] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.867724] Call Trace: [ 13.867735] <TASK> [ 13.867748] dump_stack_lvl+0x73/0xb0 [ 13.867775] print_report+0xd1/0x650 [ 13.867797] ? __virt_addr_valid+0x1db/0x2d0 [ 13.867820] ? kasan_bitops_test_and_modify.constprop.0+0x2dd/0xd90 [ 13.867848] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.867869] ? kasan_bitops_test_and_modify.constprop.0+0x2dd/0xd90 [ 13.867896] kasan_report+0x141/0x180 [ 13.867917] ? kasan_bitops_test_and_modify.constprop.0+0x2dd/0xd90 [ 13.867947] kasan_check_range+0x10c/0x1c0 [ 13.867971] __kasan_check_write+0x18/0x20 [ 13.867989] kasan_bitops_test_and_modify.constprop.0+0x2dd/0xd90 [ 13.868015] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.868042] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.868066] ? kasan_bitops_generic+0x92/0x1c0 [ 13.868093] kasan_bitops_generic+0x121/0x1c0 [ 13.868151] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.868188] ? __pfx_read_tsc+0x10/0x10 [ 13.868208] ? ktime_get_ts64+0x86/0x230 [ 13.868232] kunit_try_run_case+0x1a5/0x480 [ 13.868265] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.868286] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.868314] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.868335] ? __kthread_parkme+0x82/0x180 [ 13.868355] ? preempt_count_sub+0x50/0x80 [ 13.868377] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.868400] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.868422] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.868445] kthread+0x337/0x6f0 [ 13.868463] ? trace_preempt_on+0x20/0xc0 [ 13.868485] ? __pfx_kthread+0x10/0x10 [ 13.868505] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.868525] ? calculate_sigpending+0x7b/0xa0 [ 13.868547] ? __pfx_kthread+0x10/0x10 [ 13.868567] ret_from_fork+0x116/0x1d0 [ 13.868585] ? __pfx_kthread+0x10/0x10 [ 13.868604] ret_from_fork_asm+0x1a/0x30 [ 13.868633] </TASK> [ 13.868643] [ 13.878590] Allocated by task 278: [ 13.878913] kasan_save_stack+0x45/0x70 [ 13.879137] kasan_save_track+0x18/0x40 [ 13.879344] kasan_save_alloc_info+0x3b/0x50 [ 13.879748] __kasan_kmalloc+0xb7/0xc0 [ 13.880037] __kmalloc_cache_noprof+0x189/0x420 [ 13.880283] kasan_bitops_generic+0x92/0x1c0 [ 13.880433] kunit_try_run_case+0x1a5/0x480 [ 13.880608] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.880869] kthread+0x337/0x6f0 [ 13.881224] ret_from_fork+0x116/0x1d0 [ 13.881471] ret_from_fork_asm+0x1a/0x30 [ 13.881632] [ 13.881727] The buggy address belongs to the object at ffff8881023854e0 [ 13.881727] which belongs to the cache kmalloc-16 of size 16 [ 13.882274] The buggy address is located 8 bytes inside of [ 13.882274] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 13.882711] [ 13.882792] The buggy address belongs to the physical page: [ 13.883112] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 13.883631] flags: 0x200000000000000(node=0|zone=2) [ 13.883846] page_type: f5(slab) [ 13.884022] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.884499] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.884835] page dumped because: kasan: bad access detected [ 13.885083] [ 13.885236] Memory state around the buggy address: [ 13.885478] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 13.885851] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 13.886175] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.886583] ^ [ 13.886876] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.887157] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.887514] ================================================================== [ 13.981741] ================================================================== [ 13.981974] BUG: KASAN: slab-out-of-bounds in kasan_bitops_test_and_modify.constprop.0+0xd06/0xd90 [ 13.982565] Read of size 8 at addr ffff8881023854e8 by task kunit_try_catch/278 [ 13.983280] [ 13.983459] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.983505] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.983517] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.983537] Call Trace: [ 13.983554] <TASK> [ 13.983570] dump_stack_lvl+0x73/0xb0 [ 13.983597] print_report+0xd1/0x650 [ 13.983620] ? __virt_addr_valid+0x1db/0x2d0 [ 13.983645] ? kasan_bitops_test_and_modify.constprop.0+0xd06/0xd90 [ 13.983671] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.983693] ? kasan_bitops_test_and_modify.constprop.0+0xd06/0xd90 [ 13.983719] kasan_report+0x141/0x180 [ 13.983740] ? kasan_bitops_test_and_modify.constprop.0+0xd06/0xd90 [ 13.983770] __asan_report_load8_noabort+0x18/0x20 [ 13.983794] kasan_bitops_test_and_modify.constprop.0+0xd06/0xd90 [ 13.983821] ? __pfx_kasan_bitops_test_and_modify.constprop.0+0x10/0x10 [ 13.983848] ? __kmalloc_cache_noprof+0x189/0x420 [ 13.983873] ? kasan_bitops_generic+0x92/0x1c0 [ 13.983898] kasan_bitops_generic+0x121/0x1c0 [ 13.983921] ? __pfx_kasan_bitops_generic+0x10/0x10 [ 13.983947] ? __pfx_read_tsc+0x10/0x10 [ 13.983967] ? ktime_get_ts64+0x86/0x230 [ 13.983992] kunit_try_run_case+0x1a5/0x480 [ 13.984015] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.984036] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.984059] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.984081] ? __kthread_parkme+0x82/0x180 [ 13.984101] ? preempt_count_sub+0x50/0x80 [ 13.984147] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.984170] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.984191] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.984214] kthread+0x337/0x6f0 [ 13.984242] ? trace_preempt_on+0x20/0xc0 [ 13.984265] ? __pfx_kthread+0x10/0x10 [ 13.984285] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.984305] ? calculate_sigpending+0x7b/0xa0 [ 13.984327] ? __pfx_kthread+0x10/0x10 [ 13.984349] ret_from_fork+0x116/0x1d0 [ 13.984367] ? __pfx_kthread+0x10/0x10 [ 13.984387] ret_from_fork_asm+0x1a/0x30 [ 13.984417] </TASK> [ 13.984427] [ 13.998749] Allocated by task 278: [ 13.999068] kasan_save_stack+0x45/0x70 [ 13.999435] kasan_save_track+0x18/0x40 [ 13.999898] kasan_save_alloc_info+0x3b/0x50 [ 14.000090] __kasan_kmalloc+0xb7/0xc0 [ 14.000529] __kmalloc_cache_noprof+0x189/0x420 [ 14.000994] kasan_bitops_generic+0x92/0x1c0 [ 14.001391] kunit_try_run_case+0x1a5/0x480 [ 14.001675] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.002151] kthread+0x337/0x6f0 [ 14.002328] ret_from_fork+0x116/0x1d0 [ 14.002461] ret_from_fork_asm+0x1a/0x30 [ 14.002861] [ 14.003067] The buggy address belongs to the object at ffff8881023854e0 [ 14.003067] which belongs to the cache kmalloc-16 of size 16 [ 14.003494] The buggy address is located 8 bytes inside of [ 14.003494] allocated 9-byte region [ffff8881023854e0, ffff8881023854e9) [ 14.004675] [ 14.004864] The buggy address belongs to the physical page: [ 14.005398] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102385 [ 14.005669] flags: 0x200000000000000(node=0|zone=2) [ 14.005842] page_type: f5(slab) [ 14.005963] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 14.006321] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 14.007028] page dumped because: kasan: bad access detected [ 14.007612] [ 14.007779] Memory state around the buggy address: [ 14.008328] ffff888102385380: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 14.008970] ffff888102385400: 00 00 fc fc 00 00 fc fc 00 00 fc fc 00 00 fc fc [ 14.009670] >ffff888102385480: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 14.010429] ^ [ 14.011056] ffff888102385500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.011781] ffff888102385580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.012578] ==================================================================