Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.225252] ================================================================== [ 22.225483] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 22.225554] Read of size 8 at addr fff00000c63b9278 by task kunit_try_catch/281 [ 22.225684] [ 22.225726] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.226003] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.226177] Hardware name: linux,dummy-virt (DT) [ 22.226233] Call trace: [ 22.226362] show_stack+0x20/0x38 (C) [ 22.226423] dump_stack_lvl+0x8c/0xd0 [ 22.226519] print_report+0x118/0x608 [ 22.226572] kasan_report+0xdc/0x128 [ 22.226657] __asan_report_load8_noabort+0x20/0x30 [ 22.227137] copy_to_kernel_nofault+0x204/0x250 [ 22.227420] copy_to_kernel_nofault_oob+0x158/0x418 [ 22.227540] kunit_try_run_case+0x170/0x3f0 [ 22.227703] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.227893] kthread+0x328/0x630 [ 22.227977] ret_from_fork+0x10/0x20 [ 22.228028] [ 22.228268] Allocated by task 281: [ 22.228445] kasan_save_stack+0x3c/0x68 [ 22.228646] kasan_save_track+0x20/0x40 [ 22.228805] kasan_save_alloc_info+0x40/0x58 [ 22.229004] __kasan_kmalloc+0xd4/0xd8 [ 22.229074] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.229459] copy_to_kernel_nofault_oob+0xc8/0x418 [ 22.229689] kunit_try_run_case+0x170/0x3f0 [ 22.230045] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.230107] kthread+0x328/0x630 [ 22.230458] ret_from_fork+0x10/0x20 [ 22.230594] [ 22.230712] The buggy address belongs to the object at fff00000c63b9200 [ 22.230712] which belongs to the cache kmalloc-128 of size 128 [ 22.231026] The buggy address is located 0 bytes to the right of [ 22.231026] allocated 120-byte region [fff00000c63b9200, fff00000c63b9278) [ 22.231348] [ 22.231408] The buggy address belongs to the physical page: [ 22.231523] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063b9 [ 22.231645] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.231724] page_type: f5(slab) [ 22.232234] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.232325] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.232434] page dumped because: kasan: bad access detected [ 22.232614] [ 22.232729] Memory state around the buggy address: [ 22.232767] fff00000c63b9100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.232838] fff00000c63b9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.233254] >fff00000c63b9200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.233494] ^ [ 22.233572] fff00000c63b9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.233635] fff00000c63b9300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.233677] ================================================================== [ 22.235519] ================================================================== [ 22.235745] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 22.235835] Write of size 8 at addr fff00000c63b9278 by task kunit_try_catch/281 [ 22.236003] [ 22.236177] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.236295] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.236332] Hardware name: linux,dummy-virt (DT) [ 22.236382] Call trace: [ 22.236769] show_stack+0x20/0x38 (C) [ 22.236908] dump_stack_lvl+0x8c/0xd0 [ 22.237053] print_report+0x118/0x608 [ 22.237211] kasan_report+0xdc/0x128 [ 22.237327] kasan_check_range+0x100/0x1a8 [ 22.237667] __kasan_check_write+0x20/0x30 [ 22.237839] copy_to_kernel_nofault+0x8c/0x250 [ 22.238381] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 22.238825] kunit_try_run_case+0x170/0x3f0 [ 22.238944] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.239034] kthread+0x328/0x630 [ 22.239117] ret_from_fork+0x10/0x20 [ 22.239507] [ 22.239765] Allocated by task 281: [ 22.239942] kasan_save_stack+0x3c/0x68 [ 22.240022] kasan_save_track+0x20/0x40 [ 22.240061] kasan_save_alloc_info+0x40/0x58 [ 22.240111] __kasan_kmalloc+0xd4/0xd8 [ 22.240352] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.240417] copy_to_kernel_nofault_oob+0xc8/0x418 [ 22.240603] kunit_try_run_case+0x170/0x3f0 [ 22.240916] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.241037] kthread+0x328/0x630 [ 22.241147] ret_from_fork+0x10/0x20 [ 22.241210] [ 22.241267] The buggy address belongs to the object at fff00000c63b9200 [ 22.241267] which belongs to the cache kmalloc-128 of size 128 [ 22.241350] The buggy address is located 0 bytes to the right of [ 22.241350] allocated 120-byte region [fff00000c63b9200, fff00000c63b9278) [ 22.241418] [ 22.241439] The buggy address belongs to the physical page: [ 22.241482] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063b9 [ 22.241553] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.241611] page_type: f5(slab) [ 22.241652] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.241705] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.241758] page dumped because: kasan: bad access detected [ 22.241801] [ 22.241820] Memory state around the buggy address: [ 22.241862] fff00000c63b9100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.241909] fff00000c63b9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.241953] >fff00000c63b9200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.241995] ^ [ 22.242037] fff00000c63b9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.242082] fff00000c63b9300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.242131] ==================================================================
[ 16.386563] ================================================================== [ 16.387236] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 16.387623] Read of size 8 at addr ffff888102675b78 by task kunit_try_catch/299 [ 16.388014] [ 16.388119] CPU: 1 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 16.388172] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.388186] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.388210] Call Trace: [ 16.388224] <TASK> [ 16.388245] dump_stack_lvl+0x73/0xb0 [ 16.388280] print_report+0xd1/0x650 [ 16.388306] ? __virt_addr_valid+0x1db/0x2d0 [ 16.388333] ? copy_to_kernel_nofault+0x225/0x260 [ 16.388370] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.388396] ? copy_to_kernel_nofault+0x225/0x260 [ 16.388421] kasan_report+0x141/0x180 [ 16.388444] ? copy_to_kernel_nofault+0x225/0x260 [ 16.388474] __asan_report_load8_noabort+0x18/0x20 [ 16.388501] copy_to_kernel_nofault+0x225/0x260 [ 16.388528] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 16.388554] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.388579] ? finish_task_switch.isra.0+0x153/0x700 [ 16.388616] ? __schedule+0x10cc/0x2b60 [ 16.388639] ? trace_hardirqs_on+0x37/0xe0 [ 16.388674] ? __pfx_read_tsc+0x10/0x10 [ 16.388698] ? ktime_get_ts64+0x86/0x230 [ 16.388725] kunit_try_run_case+0x1a5/0x480 [ 16.388753] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.388778] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.388804] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.388829] ? __kthread_parkme+0x82/0x180 [ 16.388852] ? preempt_count_sub+0x50/0x80 [ 16.388877] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.388903] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.388940] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.388966] kthread+0x337/0x6f0 [ 16.388987] ? trace_preempt_on+0x20/0xc0 [ 16.389011] ? __pfx_kthread+0x10/0x10 [ 16.389032] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.389056] ? calculate_sigpending+0x7b/0xa0 [ 16.389082] ? __pfx_kthread+0x10/0x10 [ 16.389105] ret_from_fork+0x116/0x1d0 [ 16.389124] ? __pfx_kthread+0x10/0x10 [ 16.389146] ret_from_fork_asm+0x1a/0x30 [ 16.389181] </TASK> [ 16.389193] [ 16.396866] Allocated by task 299: [ 16.396995] kasan_save_stack+0x45/0x70 [ 16.397325] kasan_save_track+0x18/0x40 [ 16.397535] kasan_save_alloc_info+0x3b/0x50 [ 16.397750] __kasan_kmalloc+0xb7/0xc0 [ 16.397884] __kmalloc_cache_noprof+0x189/0x420 [ 16.398111] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.398356] kunit_try_run_case+0x1a5/0x480 [ 16.398561] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.398818] kthread+0x337/0x6f0 [ 16.398942] ret_from_fork+0x116/0x1d0 [ 16.399116] ret_from_fork_asm+0x1a/0x30 [ 16.399444] [ 16.399598] The buggy address belongs to the object at ffff888102675b00 [ 16.399598] which belongs to the cache kmalloc-128 of size 128 [ 16.400131] The buggy address is located 0 bytes to the right of [ 16.400131] allocated 120-byte region [ffff888102675b00, ffff888102675b78) [ 16.400575] [ 16.400691] The buggy address belongs to the physical page: [ 16.400945] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102675 [ 16.401514] flags: 0x200000000000000(node=0|zone=2) [ 16.401753] page_type: f5(slab) [ 16.401908] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.402272] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.402619] page dumped because: kasan: bad access detected [ 16.402793] [ 16.402877] Memory state around the buggy address: [ 16.403249] ffff888102675a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.403609] ffff888102675a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.403824] >ffff888102675b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.404036] ^ [ 16.404247] ffff888102675b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.404697] ffff888102675c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.405016] ================================================================== [ 16.405904] ================================================================== [ 16.406540] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 16.406864] Write of size 8 at addr ffff888102675b78 by task kunit_try_catch/299 [ 16.407088] [ 16.407174] CPU: 1 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 16.407215] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.407227] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.407248] Call Trace: [ 16.407261] <TASK> [ 16.407276] dump_stack_lvl+0x73/0xb0 [ 16.407306] print_report+0xd1/0x650 [ 16.407330] ? __virt_addr_valid+0x1db/0x2d0 [ 16.407355] ? copy_to_kernel_nofault+0x99/0x260 [ 16.407381] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.407406] ? copy_to_kernel_nofault+0x99/0x260 [ 16.407431] kasan_report+0x141/0x180 [ 16.407454] ? copy_to_kernel_nofault+0x99/0x260 [ 16.407483] kasan_check_range+0x10c/0x1c0 [ 16.407508] __kasan_check_write+0x18/0x20 [ 16.407529] copy_to_kernel_nofault+0x99/0x260 [ 16.407555] copy_to_kernel_nofault_oob+0x288/0x560 [ 16.407581] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.407619] ? finish_task_switch.isra.0+0x153/0x700 [ 16.407645] ? __schedule+0x10cc/0x2b60 [ 16.407667] ? trace_hardirqs_on+0x37/0xe0 [ 16.407701] ? __pfx_read_tsc+0x10/0x10 [ 16.407724] ? ktime_get_ts64+0x86/0x230 [ 16.407750] kunit_try_run_case+0x1a5/0x480 [ 16.407776] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.407801] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.407826] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.407852] ? __kthread_parkme+0x82/0x180 [ 16.407874] ? preempt_count_sub+0x50/0x80 [ 16.407898] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.407924] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.407961] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.407988] kthread+0x337/0x6f0 [ 16.408017] ? trace_preempt_on+0x20/0xc0 [ 16.408041] ? __pfx_kthread+0x10/0x10 [ 16.408062] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.408086] ? calculate_sigpending+0x7b/0xa0 [ 16.408111] ? __pfx_kthread+0x10/0x10 [ 16.408134] ret_from_fork+0x116/0x1d0 [ 16.408154] ? __pfx_kthread+0x10/0x10 [ 16.408176] ret_from_fork_asm+0x1a/0x30 [ 16.408208] </TASK> [ 16.408220] [ 16.416825] Allocated by task 299: [ 16.416963] kasan_save_stack+0x45/0x70 [ 16.417196] kasan_save_track+0x18/0x40 [ 16.417387] kasan_save_alloc_info+0x3b/0x50 [ 16.417669] __kasan_kmalloc+0xb7/0xc0 [ 16.417920] __kmalloc_cache_noprof+0x189/0x420 [ 16.418155] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.418332] kunit_try_run_case+0x1a5/0x480 [ 16.418486] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.418898] kthread+0x337/0x6f0 [ 16.419025] ret_from_fork+0x116/0x1d0 [ 16.419209] ret_from_fork_asm+0x1a/0x30 [ 16.419438] [ 16.419562] The buggy address belongs to the object at ffff888102675b00 [ 16.419562] which belongs to the cache kmalloc-128 of size 128 [ 16.420073] The buggy address is located 0 bytes to the right of [ 16.420073] allocated 120-byte region [ffff888102675b00, ffff888102675b78) [ 16.420555] [ 16.420641] The buggy address belongs to the physical page: [ 16.420855] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102675 [ 16.421300] flags: 0x200000000000000(node=0|zone=2) [ 16.421499] page_type: f5(slab) [ 16.421752] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.422059] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.422285] page dumped because: kasan: bad access detected [ 16.422454] [ 16.422523] Memory state around the buggy address: [ 16.422687] ffff888102675a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.422903] ffff888102675a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.423117] >ffff888102675b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.423487] ^ [ 16.423960] ffff888102675b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.424274] ffff888102675c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.424709] ==================================================================