Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.498653] ================================================================== [ 32.498975] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 32.499146] Write of size 8 at addr fff00000c9c2a278 by task kunit_try_catch/313 [ 32.499242] [ 32.499297] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 32.499479] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.499510] Hardware name: linux,dummy-virt (DT) [ 32.499561] Call trace: [ 32.499893] show_stack+0x20/0x38 (C) [ 32.499979] dump_stack_lvl+0x8c/0xd0 [ 32.500206] print_report+0x118/0x5d0 [ 32.500472] kasan_report+0xdc/0x128 [ 32.500538] kasan_check_range+0x100/0x1a8 [ 32.500587] __kasan_check_write+0x20/0x30 [ 32.501174] copy_to_kernel_nofault+0x8c/0x250 [ 32.501440] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 32.501652] kunit_try_run_case+0x170/0x3f0 [ 32.501966] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.502184] kthread+0x328/0x630 [ 32.502235] ret_from_fork+0x10/0x20 [ 32.502464] [ 32.502491] Allocated by task 313: [ 32.502837] kasan_save_stack+0x3c/0x68 [ 32.503009] kasan_save_track+0x20/0x40 [ 32.503161] kasan_save_alloc_info+0x40/0x58 [ 32.503276] __kasan_kmalloc+0xd4/0xd8 [ 32.503389] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.503464] copy_to_kernel_nofault_oob+0xc8/0x418 [ 32.503520] kunit_try_run_case+0x170/0x3f0 [ 32.503572] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.503756] kthread+0x328/0x630 [ 32.503912] ret_from_fork+0x10/0x20 [ 32.503997] [ 32.504155] The buggy address belongs to the object at fff00000c9c2a200 [ 32.504155] which belongs to the cache kmalloc-128 of size 128 [ 32.504340] The buggy address is located 0 bytes to the right of [ 32.504340] allocated 120-byte region [fff00000c9c2a200, fff00000c9c2a278) [ 32.504622] [ 32.504723] The buggy address belongs to the physical page: [ 32.504858] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109c2a [ 32.504916] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.505122] page_type: f5(slab) [ 32.505336] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.505414] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.505594] page dumped because: kasan: bad access detected [ 32.506013] [ 32.506163] Memory state around the buggy address: [ 32.506403] fff00000c9c2a100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.506500] fff00000c9c2a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.506878] >fff00000c9c2a200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.507247] ^ [ 32.507353] fff00000c9c2a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.507402] fff00000c9c2a300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.507455] ================================================================== [ 32.490330] ================================================================== [ 32.490467] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 32.490537] Read of size 8 at addr fff00000c9c2a278 by task kunit_try_catch/313 [ 32.490590] [ 32.490740] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 32.490839] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.491167] Hardware name: linux,dummy-virt (DT) [ 32.491224] Call trace: [ 32.491263] show_stack+0x20/0x38 (C) [ 32.491374] dump_stack_lvl+0x8c/0xd0 [ 32.491434] print_report+0x118/0x5d0 [ 32.491511] kasan_report+0xdc/0x128 [ 32.491636] __asan_report_load8_noabort+0x20/0x30 [ 32.491712] copy_to_kernel_nofault+0x204/0x250 [ 32.491880] copy_to_kernel_nofault_oob+0x158/0x418 [ 32.491934] kunit_try_run_case+0x170/0x3f0 [ 32.491987] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.492290] kthread+0x328/0x630 [ 32.492469] ret_from_fork+0x10/0x20 [ 32.492715] [ 32.492740] Allocated by task 313: [ 32.492817] kasan_save_stack+0x3c/0x68 [ 32.493070] kasan_save_track+0x20/0x40 [ 32.493354] kasan_save_alloc_info+0x40/0x58 [ 32.493463] __kasan_kmalloc+0xd4/0xd8 [ 32.493589] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.493635] copy_to_kernel_nofault_oob+0xc8/0x418 [ 32.493905] kunit_try_run_case+0x170/0x3f0 [ 32.494098] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.494277] kthread+0x328/0x630 [ 32.494419] ret_from_fork+0x10/0x20 [ 32.494773] [ 32.494830] The buggy address belongs to the object at fff00000c9c2a200 [ 32.494830] which belongs to the cache kmalloc-128 of size 128 [ 32.495046] The buggy address is located 0 bytes to the right of [ 32.495046] allocated 120-byte region [fff00000c9c2a200, fff00000c9c2a278) [ 32.495145] [ 32.495192] The buggy address belongs to the physical page: [ 32.495227] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109c2a [ 32.495354] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.495419] page_type: f5(slab) [ 32.495466] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.495529] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.495572] page dumped because: kasan: bad access detected [ 32.495608] [ 32.495627] Memory state around the buggy address: [ 32.495920] fff00000c9c2a100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.495974] fff00000c9c2a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.496021] >fff00000c9c2a200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.496312] ^ [ 32.496487] fff00000c9c2a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.496593] fff00000c9c2a300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.496654] ==================================================================
[ 27.972054] ================================================================== [ 27.972362] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 27.972683] Write of size 8 at addr ffff8881060ac578 by task kunit_try_catch/331 [ 27.973178] [ 27.973315] CPU: 1 UID: 0 PID: 331 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 27.973418] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 27.973435] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.973459] Call Trace: [ 27.973480] <TASK> [ 27.973502] dump_stack_lvl+0x73/0xb0 [ 27.973535] print_report+0xd1/0x610 [ 27.973559] ? __virt_addr_valid+0x1db/0x2d0 [ 27.973607] ? copy_to_kernel_nofault+0x99/0x260 [ 27.973632] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.973659] ? copy_to_kernel_nofault+0x99/0x260 [ 27.973683] kasan_report+0x141/0x180 [ 27.973718] ? copy_to_kernel_nofault+0x99/0x260 [ 27.973747] kasan_check_range+0x10c/0x1c0 [ 27.973798] __kasan_check_write+0x18/0x20 [ 27.973822] copy_to_kernel_nofault+0x99/0x260 [ 27.973847] copy_to_kernel_nofault_oob+0x288/0x560 [ 27.973871] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 27.973952] ? finish_task_switch.isra.0+0x153/0x700 [ 27.973980] ? __schedule+0x10cc/0x2b60 [ 27.974004] ? trace_hardirqs_on+0x37/0xe0 [ 27.974037] ? __pfx_read_tsc+0x10/0x10 [ 27.974060] ? ktime_get_ts64+0x86/0x230 [ 27.974086] kunit_try_run_case+0x1a5/0x480 [ 27.974110] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.974131] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.974156] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.974181] ? __kthread_parkme+0x82/0x180 [ 27.974203] ? preempt_count_sub+0x50/0x80 [ 27.974226] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.974249] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.974275] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.974301] kthread+0x337/0x6f0 [ 27.974321] ? trace_preempt_on+0x20/0xc0 [ 27.974344] ? __pfx_kthread+0x10/0x10 [ 27.974365] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.974388] ? calculate_sigpending+0x7b/0xa0 [ 27.974414] ? __pfx_kthread+0x10/0x10 [ 27.974436] ret_from_fork+0x116/0x1d0 [ 27.974456] ? __pfx_kthread+0x10/0x10 [ 27.974477] ret_from_fork_asm+0x1a/0x30 [ 27.974510] </TASK> [ 27.974523] [ 27.982909] Allocated by task 331: [ 27.983133] kasan_save_stack+0x45/0x70 [ 27.983427] kasan_save_track+0x18/0x40 [ 27.983600] kasan_save_alloc_info+0x3b/0x50 [ 27.983777] __kasan_kmalloc+0xb7/0xc0 [ 27.984062] __kmalloc_cache_noprof+0x189/0x420 [ 27.984636] copy_to_kernel_nofault_oob+0x12f/0x560 [ 27.984892] kunit_try_run_case+0x1a5/0x480 [ 27.985097] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.985341] kthread+0x337/0x6f0 [ 27.985510] ret_from_fork+0x116/0x1d0 [ 27.985705] ret_from_fork_asm+0x1a/0x30 [ 27.985925] [ 27.986045] The buggy address belongs to the object at ffff8881060ac500 [ 27.986045] which belongs to the cache kmalloc-128 of size 128 [ 27.986592] The buggy address is located 0 bytes to the right of [ 27.986592] allocated 120-byte region [ffff8881060ac500, ffff8881060ac578) [ 27.987022] [ 27.987164] The buggy address belongs to the physical page: [ 27.987455] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ac [ 27.988130] flags: 0x200000000000000(node=0|zone=2) [ 27.988332] page_type: f5(slab) [ 27.988502] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.989023] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.989340] page dumped because: kasan: bad access detected [ 27.989564] [ 27.989629] Memory state around the buggy address: [ 27.989996] ffff8881060ac400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.990297] ffff8881060ac480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.990630] >ffff8881060ac500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.990977] ^ [ 27.991299] ffff8881060ac580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.991602] ffff8881060ac600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.991885] ================================================================== [ 27.940768] ================================================================== [ 27.941770] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 27.942789] Read of size 8 at addr ffff8881060ac578 by task kunit_try_catch/331 [ 27.943191] [ 27.943690] CPU: 1 UID: 0 PID: 331 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 27.943768] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 27.943797] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.943847] Call Trace: [ 27.943864] <TASK> [ 27.944009] dump_stack_lvl+0x73/0xb0 [ 27.944051] print_report+0xd1/0x610 [ 27.944078] ? __virt_addr_valid+0x1db/0x2d0 [ 27.944106] ? copy_to_kernel_nofault+0x225/0x260 [ 27.944130] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.944158] ? copy_to_kernel_nofault+0x225/0x260 [ 27.944182] kasan_report+0x141/0x180 [ 27.944205] ? copy_to_kernel_nofault+0x225/0x260 [ 27.944233] __asan_report_load8_noabort+0x18/0x20 [ 27.944258] copy_to_kernel_nofault+0x225/0x260 [ 27.944284] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 27.944308] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 27.944331] ? finish_task_switch.isra.0+0x153/0x700 [ 27.944356] ? __schedule+0x10cc/0x2b60 [ 27.944381] ? trace_hardirqs_on+0x37/0xe0 [ 27.944414] ? __pfx_read_tsc+0x10/0x10 [ 27.944438] ? ktime_get_ts64+0x86/0x230 [ 27.944465] kunit_try_run_case+0x1a5/0x480 [ 27.944491] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.944512] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.944537] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.944562] ? __kthread_parkme+0x82/0x180 [ 27.944584] ? preempt_count_sub+0x50/0x80 [ 27.944607] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.944630] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.944656] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.944681] kthread+0x337/0x6f0 [ 27.944713] ? trace_preempt_on+0x20/0xc0 [ 27.944737] ? __pfx_kthread+0x10/0x10 [ 27.944758] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.944794] ? calculate_sigpending+0x7b/0xa0 [ 27.944820] ? __pfx_kthread+0x10/0x10 [ 27.944843] ret_from_fork+0x116/0x1d0 [ 27.944863] ? __pfx_kthread+0x10/0x10 [ 27.944892] ret_from_fork_asm+0x1a/0x30 [ 27.944925] </TASK> [ 27.944939] [ 27.957490] Allocated by task 331: [ 27.957862] kasan_save_stack+0x45/0x70 [ 27.958213] kasan_save_track+0x18/0x40 [ 27.958555] kasan_save_alloc_info+0x3b/0x50 [ 27.959272] __kasan_kmalloc+0xb7/0xc0 [ 27.959638] __kmalloc_cache_noprof+0x189/0x420 [ 27.959911] copy_to_kernel_nofault_oob+0x12f/0x560 [ 27.960120] kunit_try_run_case+0x1a5/0x480 [ 27.960302] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.960848] kthread+0x337/0x6f0 [ 27.961186] ret_from_fork+0x116/0x1d0 [ 27.961558] ret_from_fork_asm+0x1a/0x30 [ 27.961991] [ 27.962167] The buggy address belongs to the object at ffff8881060ac500 [ 27.962167] which belongs to the cache kmalloc-128 of size 128 [ 27.962981] The buggy address is located 0 bytes to the right of [ 27.962981] allocated 120-byte region [ffff8881060ac500, ffff8881060ac578) [ 27.963329] [ 27.963399] The buggy address belongs to the physical page: [ 27.963565] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ac [ 27.964210] flags: 0x200000000000000(node=0|zone=2) [ 27.964633] page_type: f5(slab) [ 27.964976] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.965623] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.966384] page dumped because: kasan: bad access detected [ 27.966959] [ 27.967122] Memory state around the buggy address: [ 27.967701] ffff8881060ac400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.968414] ffff8881060ac480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.969096] >ffff8881060ac500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.969795] ^ [ 27.970463] ffff8881060ac580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.971184] ffff8881060ac600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.971418] ==================================================================