Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.046942] ================================================================== [ 23.047021] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 23.047100] Write of size 121 at addr fff00000c6587700 by task kunit_try_catch/294 [ 23.047166] [ 23.047210] CPU: 0 UID: 0 PID: 294 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 23.047318] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.047358] Hardware name: linux,dummy-virt (DT) [ 23.047398] Call trace: [ 23.047429] show_stack+0x20/0x38 (C) [ 23.047493] dump_stack_lvl+0x8c/0xd0 [ 23.047550] print_report+0x118/0x608 [ 23.047605] kasan_report+0xdc/0x128 [ 23.047657] kasan_check_range+0x100/0x1a8 [ 23.047709] __kasan_check_write+0x20/0x30 [ 23.047761] strncpy_from_user+0x3c/0x2a0 [ 23.047814] copy_user_test_oob+0x5c0/0xec8 [ 23.048502] kunit_try_run_case+0x170/0x3f0 [ 23.048645] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.048999] kthread+0x328/0x630 [ 23.049060] ret_from_fork+0x10/0x20 [ 23.049273] [ 23.049303] Allocated by task 294: [ 23.049339] kasan_save_stack+0x3c/0x68 [ 23.049542] kasan_save_track+0x20/0x40 [ 23.049604] kasan_save_alloc_info+0x40/0x58 [ 23.049869] __kasan_kmalloc+0xd4/0xd8 [ 23.049924] __kmalloc_noprof+0x198/0x4c8 [ 23.050297] kunit_kmalloc_array+0x34/0x88 [ 23.050479] copy_user_test_oob+0xac/0xec8 [ 23.050758] kunit_try_run_case+0x170/0x3f0 [ 23.050910] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.050975] kthread+0x328/0x630 [ 23.051018] ret_from_fork+0x10/0x20 [ 23.051075] [ 23.051101] The buggy address belongs to the object at fff00000c6587700 [ 23.051101] which belongs to the cache kmalloc-128 of size 128 [ 23.051171] The buggy address is located 0 bytes inside of [ 23.051171] allocated 120-byte region [fff00000c6587700, fff00000c6587778) [ 23.051241] [ 23.051269] The buggy address belongs to the physical page: [ 23.051308] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106587 [ 23.051369] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.051427] page_type: f5(slab) [ 23.051738] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.051829] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.051968] page dumped because: kasan: bad access detected [ 23.052109] [ 23.052149] Memory state around the buggy address: [ 23.052216] fff00000c6587600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.052380] fff00000c6587680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.052459] >fff00000c6587700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.052663] ^ [ 23.052859] fff00000c6587780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.053017] fff00000c6587800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.053066] ================================================================== [ 23.054527] ================================================================== [ 23.054993] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 23.055075] Write of size 1 at addr fff00000c6587778 by task kunit_try_catch/294 [ 23.055275] [ 23.055364] CPU: 0 UID: 0 PID: 294 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 23.055602] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.055812] Hardware name: linux,dummy-virt (DT) [ 23.055999] Call trace: [ 23.056038] show_stack+0x20/0x38 (C) [ 23.056103] dump_stack_lvl+0x8c/0xd0 [ 23.056156] print_report+0x118/0x608 [ 23.056211] kasan_report+0xdc/0x128 [ 23.056262] __asan_report_store1_noabort+0x20/0x30 [ 23.056317] strncpy_from_user+0x270/0x2a0 [ 23.056370] copy_user_test_oob+0x5c0/0xec8 [ 23.056424] kunit_try_run_case+0x170/0x3f0 [ 23.056478] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.056535] kthread+0x328/0x630 [ 23.056584] ret_from_fork+0x10/0x20 [ 23.056637] [ 23.056663] Allocated by task 294: [ 23.056701] kasan_save_stack+0x3c/0x68 [ 23.056751] kasan_save_track+0x20/0x40 [ 23.056795] kasan_save_alloc_info+0x40/0x58 [ 23.056891] __kasan_kmalloc+0xd4/0xd8 [ 23.056940] __kmalloc_noprof+0x198/0x4c8 [ 23.057000] kunit_kmalloc_array+0x34/0x88 [ 23.057085] copy_user_test_oob+0xac/0xec8 [ 23.057130] kunit_try_run_case+0x170/0x3f0 [ 23.057189] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.057244] kthread+0x328/0x630 [ 23.057281] ret_from_fork+0x10/0x20 [ 23.057324] [ 23.057349] The buggy address belongs to the object at fff00000c6587700 [ 23.057349] which belongs to the cache kmalloc-128 of size 128 [ 23.057416] The buggy address is located 0 bytes to the right of [ 23.057416] allocated 120-byte region [fff00000c6587700, fff00000c6587778) [ 23.057484] [ 23.057511] The buggy address belongs to the physical page: [ 23.057551] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106587 [ 23.057615] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.057705] page_type: f5(slab) [ 23.057784] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.057898] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.057955] page dumped because: kasan: bad access detected [ 23.057999] [ 23.058027] Memory state around the buggy address: [ 23.058066] fff00000c6587600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.058120] fff00000c6587680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.058170] >fff00000c6587700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.058216] ^ [ 23.058264] fff00000c6587780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.058371] fff00000c6587800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.058431] ==================================================================
[ 15.604576] ================================================================== [ 15.604809] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 15.605295] Write of size 121 at addr ffff8881028df100 by task kunit_try_catch/311 [ 15.605960] [ 15.606136] CPU: 1 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 15.606182] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.606195] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.606216] Call Trace: [ 15.606236] <TASK> [ 15.606254] dump_stack_lvl+0x73/0xb0 [ 15.606282] print_report+0xd1/0x650 [ 15.606306] ? __virt_addr_valid+0x1db/0x2d0 [ 15.606330] ? strncpy_from_user+0x2e/0x1d0 [ 15.606363] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.606406] ? strncpy_from_user+0x2e/0x1d0 [ 15.606441] kasan_report+0x141/0x180 [ 15.606464] ? strncpy_from_user+0x2e/0x1d0 [ 15.606492] kasan_check_range+0x10c/0x1c0 [ 15.606516] __kasan_check_write+0x18/0x20 [ 15.606536] strncpy_from_user+0x2e/0x1d0 [ 15.606559] ? __kasan_check_read+0x15/0x20 [ 15.606580] copy_user_test_oob+0x760/0x10f0 [ 15.606605] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.606628] ? finish_task_switch.isra.0+0x153/0x700 [ 15.606650] ? __switch_to+0x47/0xf50 [ 15.606676] ? __schedule+0x10cc/0x2b60 [ 15.606699] ? __pfx_read_tsc+0x10/0x10 [ 15.606720] ? ktime_get_ts64+0x86/0x230 [ 15.606746] kunit_try_run_case+0x1a5/0x480 [ 15.606770] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.606792] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.606814] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.606837] ? __kthread_parkme+0x82/0x180 [ 15.606858] ? preempt_count_sub+0x50/0x80 [ 15.606880] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.606904] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.606938] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.606962] kthread+0x337/0x6f0 [ 15.606981] ? trace_preempt_on+0x20/0xc0 [ 15.607006] ? __pfx_kthread+0x10/0x10 [ 15.607027] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.607048] ? calculate_sigpending+0x7b/0xa0 [ 15.607072] ? __pfx_kthread+0x10/0x10 [ 15.607094] ret_from_fork+0x116/0x1d0 [ 15.607113] ? __pfx_kthread+0x10/0x10 [ 15.607133] ret_from_fork_asm+0x1a/0x30 [ 15.607165] </TASK> [ 15.607175] [ 15.615023] Allocated by task 311: [ 15.615147] kasan_save_stack+0x45/0x70 [ 15.615282] kasan_save_track+0x18/0x40 [ 15.615429] kasan_save_alloc_info+0x3b/0x50 [ 15.615664] __kasan_kmalloc+0xb7/0xc0 [ 15.615845] __kmalloc_noprof+0x1c9/0x500 [ 15.616056] kunit_kmalloc_array+0x25/0x60 [ 15.616271] copy_user_test_oob+0xab/0x10f0 [ 15.616577] kunit_try_run_case+0x1a5/0x480 [ 15.616811] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.616996] kthread+0x337/0x6f0 [ 15.617111] ret_from_fork+0x116/0x1d0 [ 15.617236] ret_from_fork_asm+0x1a/0x30 [ 15.617368] [ 15.617553] The buggy address belongs to the object at ffff8881028df100 [ 15.617553] which belongs to the cache kmalloc-128 of size 128 [ 15.618149] The buggy address is located 0 bytes inside of [ 15.618149] allocated 120-byte region [ffff8881028df100, ffff8881028df178) [ 15.618691] [ 15.618778] The buggy address belongs to the physical page: [ 15.618996] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028df [ 15.619339] flags: 0x200000000000000(node=0|zone=2) [ 15.619607] page_type: f5(slab) [ 15.619761] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.620114] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.620463] page dumped because: kasan: bad access detected [ 15.620699] [ 15.620790] Memory state around the buggy address: [ 15.621023] ffff8881028df000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.621306] ffff8881028df080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.621645] >ffff8881028df100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.621857] ^ [ 15.622075] ffff8881028df180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.622283] ffff8881028df200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.622539] ================================================================== [ 15.623095] ================================================================== [ 15.623599] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 15.623941] Write of size 1 at addr ffff8881028df178 by task kunit_try_catch/311 [ 15.624307] [ 15.624441] CPU: 1 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 15.624487] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.624500] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.624521] Call Trace: [ 15.624535] <TASK> [ 15.624550] dump_stack_lvl+0x73/0xb0 [ 15.624577] print_report+0xd1/0x650 [ 15.624599] ? __virt_addr_valid+0x1db/0x2d0 [ 15.624621] ? strncpy_from_user+0x1a5/0x1d0 [ 15.624644] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.624668] ? strncpy_from_user+0x1a5/0x1d0 [ 15.624692] kasan_report+0x141/0x180 [ 15.624715] ? strncpy_from_user+0x1a5/0x1d0 [ 15.624742] __asan_report_store1_noabort+0x1b/0x30 [ 15.624768] strncpy_from_user+0x1a5/0x1d0 [ 15.624793] copy_user_test_oob+0x760/0x10f0 [ 15.624818] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.624841] ? finish_task_switch.isra.0+0x153/0x700 [ 15.624862] ? __switch_to+0x47/0xf50 [ 15.624887] ? __schedule+0x10cc/0x2b60 [ 15.624909] ? __pfx_read_tsc+0x10/0x10 [ 15.624940] ? ktime_get_ts64+0x86/0x230 [ 15.624967] kunit_try_run_case+0x1a5/0x480 [ 15.624990] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.625013] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.625035] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.625067] ? __kthread_parkme+0x82/0x180 [ 15.625088] ? preempt_count_sub+0x50/0x80 [ 15.625110] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.625145] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.625178] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.625201] kthread+0x337/0x6f0 [ 15.625221] ? trace_preempt_on+0x20/0xc0 [ 15.625257] ? __pfx_kthread+0x10/0x10 [ 15.625278] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.625298] ? calculate_sigpending+0x7b/0xa0 [ 15.625323] ? __pfx_kthread+0x10/0x10 [ 15.625345] ret_from_fork+0x116/0x1d0 [ 15.625363] ? __pfx_kthread+0x10/0x10 [ 15.625384] ret_from_fork_asm+0x1a/0x30 [ 15.625414] </TASK> [ 15.625425] [ 15.632830] Allocated by task 311: [ 15.633032] kasan_save_stack+0x45/0x70 [ 15.633224] kasan_save_track+0x18/0x40 [ 15.633354] kasan_save_alloc_info+0x3b/0x50 [ 15.633572] __kasan_kmalloc+0xb7/0xc0 [ 15.633802] __kmalloc_noprof+0x1c9/0x500 [ 15.634010] kunit_kmalloc_array+0x25/0x60 [ 15.634185] copy_user_test_oob+0xab/0x10f0 [ 15.634388] kunit_try_run_case+0x1a5/0x480 [ 15.634587] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.634823] kthread+0x337/0x6f0 [ 15.635000] ret_from_fork+0x116/0x1d0 [ 15.635177] ret_from_fork_asm+0x1a/0x30 [ 15.635364] [ 15.635461] The buggy address belongs to the object at ffff8881028df100 [ 15.635461] which belongs to the cache kmalloc-128 of size 128 [ 15.636003] The buggy address is located 0 bytes to the right of [ 15.636003] allocated 120-byte region [ffff8881028df100, ffff8881028df178) [ 15.636594] [ 15.636662] The buggy address belongs to the physical page: [ 15.636920] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028df [ 15.637269] flags: 0x200000000000000(node=0|zone=2) [ 15.637497] page_type: f5(slab) [ 15.637670] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.637990] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.638315] page dumped because: kasan: bad access detected [ 15.638606] [ 15.638691] Memory state around the buggy address: [ 15.638900] ffff8881028df000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.639122] ffff8881028df080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.639330] >ffff8881028df100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.639534] ^ [ 15.639743] ffff8881028df180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.640016] ffff8881028df200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.640350] ==================================================================