Date
July 3, 2025, 10:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.173745] ================================================================== [ 34.174143] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 34.174269] Read of size 8 at addr fff00000c5a89478 by task kunit_try_catch/313 [ 34.174604] [ 34.174647] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 34.174740] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.175328] Hardware name: linux,dummy-virt (DT) [ 34.175408] Call trace: [ 34.175449] show_stack+0x20/0x38 (C) [ 34.176010] dump_stack_lvl+0x8c/0xd0 [ 34.176329] print_report+0x118/0x608 [ 34.176451] kasan_report+0xdc/0x128 [ 34.176605] __asan_report_load8_noabort+0x20/0x30 [ 34.176828] copy_to_kernel_nofault+0x204/0x250 [ 34.176904] copy_to_kernel_nofault_oob+0x158/0x418 [ 34.177255] kunit_try_run_case+0x170/0x3f0 [ 34.177392] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.177535] kthread+0x328/0x630 [ 34.177606] ret_from_fork+0x10/0x20 [ 34.177740] [ 34.177809] Allocated by task 313: [ 34.177932] kasan_save_stack+0x3c/0x68 [ 34.178031] kasan_save_track+0x20/0x40 [ 34.178112] kasan_save_alloc_info+0x40/0x58 [ 34.178153] __kasan_kmalloc+0xd4/0xd8 [ 34.178193] __kmalloc_cache_noprof+0x16c/0x3c0 [ 34.178246] copy_to_kernel_nofault_oob+0xc8/0x418 [ 34.178288] kunit_try_run_case+0x170/0x3f0 [ 34.178331] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.178399] kthread+0x328/0x630 [ 34.178437] ret_from_fork+0x10/0x20 [ 34.178475] [ 34.178499] The buggy address belongs to the object at fff00000c5a89400 [ 34.178499] which belongs to the cache kmalloc-128 of size 128 [ 34.178568] The buggy address is located 0 bytes to the right of [ 34.178568] allocated 120-byte region [fff00000c5a89400, fff00000c5a89478) [ 34.178647] [ 34.178681] The buggy address belongs to the physical page: [ 34.178725] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a89 [ 34.178784] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.178856] page_type: f5(slab) [ 34.178908] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.178968] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.179011] page dumped because: kasan: bad access detected [ 34.179046] [ 34.179066] Memory state around the buggy address: [ 34.179122] fff00000c5a89300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.179168] fff00000c5a89380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.179223] >fff00000c5a89400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 34.179274] ^ [ 34.179328] fff00000c5a89480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.179374] fff00000c5a89500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.179416] ================================================================== [ 34.181341] ================================================================== [ 34.181522] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 34.181640] Write of size 8 at addr fff00000c5a89478 by task kunit_try_catch/313 [ 34.181997] [ 34.182213] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 34.182353] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.182394] Hardware name: linux,dummy-virt (DT) [ 34.182816] Call trace: [ 34.182890] show_stack+0x20/0x38 (C) [ 34.182957] dump_stack_lvl+0x8c/0xd0 [ 34.183008] print_report+0x118/0x608 [ 34.183180] kasan_report+0xdc/0x128 [ 34.183245] kasan_check_range+0x100/0x1a8 [ 34.183297] __kasan_check_write+0x20/0x30 [ 34.183415] copy_to_kernel_nofault+0x8c/0x250 [ 34.183860] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 34.183937] kunit_try_run_case+0x170/0x3f0 [ 34.183991] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.184084] kthread+0x328/0x630 [ 34.184160] ret_from_fork+0x10/0x20 [ 34.184223] [ 34.184701] Allocated by task 313: [ 34.184760] kasan_save_stack+0x3c/0x68 [ 34.184819] kasan_save_track+0x20/0x40 [ 34.184874] kasan_save_alloc_info+0x40/0x58 [ 34.185264] __kasan_kmalloc+0xd4/0xd8 [ 34.185386] __kmalloc_cache_noprof+0x16c/0x3c0 [ 34.185431] copy_to_kernel_nofault_oob+0xc8/0x418 [ 34.185667] kunit_try_run_case+0x170/0x3f0 [ 34.185985] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.186135] kthread+0x328/0x630 [ 34.186336] ret_from_fork+0x10/0x20 [ 34.186500] [ 34.186605] The buggy address belongs to the object at fff00000c5a89400 [ 34.186605] which belongs to the cache kmalloc-128 of size 128 [ 34.186672] The buggy address is located 0 bytes to the right of [ 34.186672] allocated 120-byte region [fff00000c5a89400, fff00000c5a89478) [ 34.186924] [ 34.187001] The buggy address belongs to the physical page: [ 34.187176] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a89 [ 34.187285] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.187532] page_type: f5(slab) [ 34.187713] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.187927] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.188210] page dumped because: kasan: bad access detected [ 34.188253] [ 34.188273] Memory state around the buggy address: [ 34.188463] fff00000c5a89300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.188737] fff00000c5a89380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.188824] >fff00000c5a89400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 34.188997] ^ [ 34.189193] fff00000c5a89480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.189297] fff00000c5a89500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.189388] ==================================================================
[ 26.959086] ================================================================== [ 26.960482] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 26.960749] Read of size 8 at addr ffff888105540b78 by task kunit_try_catch/330 [ 26.961466] [ 26.961694] CPU: 1 UID: 0 PID: 330 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 26.961781] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.961796] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.961822] Call Trace: [ 26.961838] <TASK> [ 26.961863] dump_stack_lvl+0x73/0xb0 [ 26.961921] print_report+0xd1/0x650 [ 26.961947] ? __virt_addr_valid+0x1db/0x2d0 [ 26.961973] ? copy_to_kernel_nofault+0x225/0x260 [ 26.961998] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.962026] ? copy_to_kernel_nofault+0x225/0x260 [ 26.962050] kasan_report+0x141/0x180 [ 26.962074] ? copy_to_kernel_nofault+0x225/0x260 [ 26.962103] __asan_report_load8_noabort+0x18/0x20 [ 26.962136] copy_to_kernel_nofault+0x225/0x260 [ 26.962162] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 26.962188] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 26.962212] ? finish_task_switch.isra.0+0x153/0x700 [ 26.962237] ? __schedule+0x10cc/0x2b60 [ 26.962264] ? trace_hardirqs_on+0x37/0xe0 [ 26.962323] ? __pfx_read_tsc+0x10/0x10 [ 26.962347] ? ktime_get_ts64+0x86/0x230 [ 26.962376] kunit_try_run_case+0x1a5/0x480 [ 26.962406] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.962431] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.962464] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.962491] ? __kthread_parkme+0x82/0x180 [ 26.962514] ? preempt_count_sub+0x50/0x80 [ 26.962537] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.962564] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.962589] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.962627] kthread+0x337/0x6f0 [ 26.962649] ? trace_preempt_on+0x20/0xc0 [ 26.962672] ? __pfx_kthread+0x10/0x10 [ 26.962694] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.962719] ? calculate_sigpending+0x7b/0xa0 [ 26.962744] ? __pfx_kthread+0x10/0x10 [ 26.962767] ret_from_fork+0x116/0x1d0 [ 26.962789] ? __pfx_kthread+0x10/0x10 [ 26.962811] ret_from_fork_asm+0x1a/0x30 [ 26.962846] </TASK> [ 26.962859] [ 26.978843] Allocated by task 330: [ 26.979481] kasan_save_stack+0x45/0x70 [ 26.980092] kasan_save_track+0x18/0x40 [ 26.980651] kasan_save_alloc_info+0x3b/0x50 [ 26.981175] __kasan_kmalloc+0xb7/0xc0 [ 26.981646] __kmalloc_cache_noprof+0x189/0x420 [ 26.982283] copy_to_kernel_nofault_oob+0x12f/0x560 [ 26.982691] kunit_try_run_case+0x1a5/0x480 [ 26.982845] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.983018] kthread+0x337/0x6f0 [ 26.983136] ret_from_fork+0x116/0x1d0 [ 26.983791] ret_from_fork_asm+0x1a/0x30 [ 26.984429] [ 26.984709] The buggy address belongs to the object at ffff888105540b00 [ 26.984709] which belongs to the cache kmalloc-128 of size 128 [ 26.986163] The buggy address is located 0 bytes to the right of [ 26.986163] allocated 120-byte region [ffff888105540b00, ffff888105540b78) [ 26.987693] [ 26.987953] The buggy address belongs to the physical page: [ 26.988489] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105540 [ 26.989010] flags: 0x200000000000000(node=0|zone=2) [ 26.989664] page_type: f5(slab) [ 26.989986] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.990538] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.991466] page dumped because: kasan: bad access detected [ 26.992243] [ 26.992348] Memory state around the buggy address: [ 26.992571] ffff888105540a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.993391] ffff888105540a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.993903] >ffff888105540b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 26.994139] ^ [ 26.995027] ffff888105540b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.995514] ffff888105540c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.995733] ================================================================== [ 26.996675] ================================================================== [ 26.997488] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 26.998135] Write of size 8 at addr ffff888105540b78 by task kunit_try_catch/330 [ 26.998867] [ 26.999045] CPU: 1 UID: 0 PID: 330 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 26.999108] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.999123] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.999146] Call Trace: [ 26.999162] <TASK> [ 26.999192] dump_stack_lvl+0x73/0xb0 [ 26.999251] print_report+0xd1/0x650 [ 26.999276] ? __virt_addr_valid+0x1db/0x2d0 [ 26.999303] ? copy_to_kernel_nofault+0x99/0x260 [ 26.999327] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.999355] ? copy_to_kernel_nofault+0x99/0x260 [ 26.999379] kasan_report+0x141/0x180 [ 26.999403] ? copy_to_kernel_nofault+0x99/0x260 [ 26.999432] kasan_check_range+0x10c/0x1c0 [ 26.999466] __kasan_check_write+0x18/0x20 [ 26.999491] copy_to_kernel_nofault+0x99/0x260 [ 26.999517] copy_to_kernel_nofault_oob+0x288/0x560 [ 26.999542] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 26.999566] ? finish_task_switch.isra.0+0x153/0x700 [ 26.999590] ? __schedule+0x10cc/0x2b60 [ 26.999616] ? trace_hardirqs_on+0x37/0xe0 [ 26.999648] ? __pfx_read_tsc+0x10/0x10 [ 26.999671] ? ktime_get_ts64+0x86/0x230 [ 26.999697] kunit_try_run_case+0x1a5/0x480 [ 26.999725] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.999749] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.999772] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.999799] ? __kthread_parkme+0x82/0x180 [ 26.999819] ? preempt_count_sub+0x50/0x80 [ 26.999844] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.999870] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.999894] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.999920] kthread+0x337/0x6f0 [ 26.999941] ? trace_preempt_on+0x20/0xc0 [ 26.999964] ? __pfx_kthread+0x10/0x10 [ 26.999986] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.000010] ? calculate_sigpending+0x7b/0xa0 [ 27.000036] ? __pfx_kthread+0x10/0x10 [ 27.000059] ret_from_fork+0x116/0x1d0 [ 27.000080] ? __pfx_kthread+0x10/0x10 [ 27.000103] ret_from_fork_asm+0x1a/0x30 [ 27.000135] </TASK> [ 27.000150] [ 27.010039] Allocated by task 330: [ 27.010184] kasan_save_stack+0x45/0x70 [ 27.010959] kasan_save_track+0x18/0x40 [ 27.011673] kasan_save_alloc_info+0x3b/0x50 [ 27.012277] __kasan_kmalloc+0xb7/0xc0 [ 27.012821] __kmalloc_cache_noprof+0x189/0x420 [ 27.012993] copy_to_kernel_nofault_oob+0x12f/0x560 [ 27.013346] kunit_try_run_case+0x1a5/0x480 [ 27.013873] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.014589] kthread+0x337/0x6f0 [ 27.015091] ret_from_fork+0x116/0x1d0 [ 27.015680] ret_from_fork_asm+0x1a/0x30 [ 27.015871] [ 27.015943] The buggy address belongs to the object at ffff888105540b00 [ 27.015943] which belongs to the cache kmalloc-128 of size 128 [ 27.016297] The buggy address is located 0 bytes to the right of [ 27.016297] allocated 120-byte region [ffff888105540b00, ffff888105540b78) [ 27.017478] [ 27.017667] The buggy address belongs to the physical page: [ 27.018277] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105540 [ 27.019024] flags: 0x200000000000000(node=0|zone=2) [ 27.019517] page_type: f5(slab) [ 27.019887] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.020562] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.021302] page dumped because: kasan: bad access detected [ 27.021483] [ 27.021550] Memory state around the buggy address: [ 27.021701] ffff888105540a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.021921] ffff888105540a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.022131] >ffff888105540b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.022680] ^ [ 27.023399] ffff888105540b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.024092] ffff888105540c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.024790] ==================================================================