Date
July 23, 2025, 2:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.537945] ================================================================== [ 18.538290] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 18.538520] Write of size 8 at addr fff00000c648f478 by task kunit_try_catch/281 [ 18.538730] [ 18.538781] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 18.539138] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.539243] Hardware name: linux,dummy-virt (DT) [ 18.539357] Call trace: [ 18.539413] show_stack+0x20/0x38 (C) [ 18.539526] dump_stack_lvl+0x8c/0xd0 [ 18.539615] print_report+0x118/0x5d0 [ 18.539696] kasan_report+0xdc/0x128 [ 18.539888] kasan_check_range+0x100/0x1a8 [ 18.539961] __kasan_check_write+0x20/0x30 [ 18.540290] copy_to_kernel_nofault+0x8c/0x250 [ 18.540361] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 18.540494] kunit_try_run_case+0x170/0x3f0 [ 18.540579] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.540740] kthread+0x328/0x630 [ 18.540828] ret_from_fork+0x10/0x20 [ 18.540904] [ 18.541232] Allocated by task 281: [ 18.541293] kasan_save_stack+0x3c/0x68 [ 18.541437] kasan_save_track+0x20/0x40 [ 18.541517] kasan_save_alloc_info+0x40/0x58 [ 18.541644] __kasan_kmalloc+0xd4/0xd8 [ 18.541721] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.542056] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.542146] kunit_try_run_case+0x170/0x3f0 [ 18.542275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.542351] kthread+0x328/0x630 [ 18.542403] ret_from_fork+0x10/0x20 [ 18.542451] [ 18.542473] The buggy address belongs to the object at fff00000c648f400 [ 18.542473] which belongs to the cache kmalloc-128 of size 128 [ 18.542538] The buggy address is located 0 bytes to the right of [ 18.542538] allocated 120-byte region [fff00000c648f400, fff00000c648f478) [ 18.542606] [ 18.542682] The buggy address belongs to the physical page: [ 18.542734] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10648f [ 18.542807] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.542872] page_type: f5(slab) [ 18.542914] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.542969] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.543012] page dumped because: kasan: bad access detected [ 18.543057] [ 18.543086] Memory state around the buggy address: [ 18.543136] fff00000c648f300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.543182] fff00000c648f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543229] >fff00000c648f400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.543271] ^ [ 18.543321] fff00000c648f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543368] fff00000c648f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543409] ================================================================== [ 18.529641] ================================================================== [ 18.529735] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 18.529807] Read of size 8 at addr fff00000c648f478 by task kunit_try_catch/281 [ 18.529884] [ 18.529928] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 18.530026] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.530252] Hardware name: linux,dummy-virt (DT) [ 18.530400] Call trace: [ 18.530447] show_stack+0x20/0x38 (C) [ 18.530509] dump_stack_lvl+0x8c/0xd0 [ 18.530890] print_report+0x118/0x5d0 [ 18.531004] kasan_report+0xdc/0x128 [ 18.531162] __asan_report_load8_noabort+0x20/0x30 [ 18.531248] copy_to_kernel_nofault+0x204/0x250 [ 18.531550] copy_to_kernel_nofault_oob+0x158/0x418 [ 18.531603] kunit_try_run_case+0x170/0x3f0 [ 18.531762] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.532149] kthread+0x328/0x630 [ 18.532231] ret_from_fork+0x10/0x20 [ 18.532437] [ 18.532506] Allocated by task 281: [ 18.532617] kasan_save_stack+0x3c/0x68 [ 18.532700] kasan_save_track+0x20/0x40 [ 18.533093] kasan_save_alloc_info+0x40/0x58 [ 18.533234] __kasan_kmalloc+0xd4/0xd8 [ 18.533304] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.533428] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.533518] kunit_try_run_case+0x170/0x3f0 [ 18.533654] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.533937] kthread+0x328/0x630 [ 18.534060] ret_from_fork+0x10/0x20 [ 18.534170] [ 18.534230] The buggy address belongs to the object at fff00000c648f400 [ 18.534230] which belongs to the cache kmalloc-128 of size 128 [ 18.534393] The buggy address is located 0 bytes to the right of [ 18.534393] allocated 120-byte region [fff00000c648f400, fff00000c648f478) [ 18.534502] [ 18.534879] The buggy address belongs to the physical page: [ 18.534942] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10648f [ 18.535130] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.535323] page_type: f5(slab) [ 18.535437] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.535546] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.535599] page dumped because: kasan: bad access detected [ 18.535724] [ 18.535776] Memory state around the buggy address: [ 18.535841] fff00000c648f300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.535960] fff00000c648f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536047] >fff00000c648f400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.536166] ^ [ 18.536242] fff00000c648f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536327] fff00000c648f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536644] ==================================================================
[ 16.325936] ================================================================== [ 16.327189] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 16.327723] Read of size 8 at addr ffff888102b16478 by task kunit_try_catch/298 [ 16.328019] [ 16.328204] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 16.328255] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.328269] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.328293] Call Trace: [ 16.328306] <TASK> [ 16.328325] dump_stack_lvl+0x73/0xb0 [ 16.328356] print_report+0xd1/0x610 [ 16.328382] ? __virt_addr_valid+0x1db/0x2d0 [ 16.328407] ? copy_to_kernel_nofault+0x225/0x260 [ 16.328432] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.328456] ? copy_to_kernel_nofault+0x225/0x260 [ 16.328481] kasan_report+0x141/0x180 [ 16.328505] ? copy_to_kernel_nofault+0x225/0x260 [ 16.328535] __asan_report_load8_noabort+0x18/0x20 [ 16.328561] copy_to_kernel_nofault+0x225/0x260 [ 16.328587] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 16.328612] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.328636] ? finish_task_switch.isra.0+0x153/0x700 [ 16.328660] ? __schedule+0x10c6/0x2b60 [ 16.328684] ? trace_hardirqs_on+0x37/0xe0 [ 16.328716] ? __pfx_read_tsc+0x10/0x10 [ 16.328739] ? ktime_get_ts64+0x86/0x230 [ 16.328764] kunit_try_run_case+0x1a5/0x480 [ 16.328792] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.328826] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.328858] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.328883] ? __kthread_parkme+0x82/0x180 [ 16.328905] ? preempt_count_sub+0x50/0x80 [ 16.328929] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.328955] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.328979] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.329005] kthread+0x337/0x6f0 [ 16.329025] ? trace_preempt_on+0x20/0xc0 [ 16.329049] ? __pfx_kthread+0x10/0x10 [ 16.329071] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.329093] ? calculate_sigpending+0x7b/0xa0 [ 16.329119] ? __pfx_kthread+0x10/0x10 [ 16.329154] ret_from_fork+0x116/0x1d0 [ 16.329174] ? __pfx_kthread+0x10/0x10 [ 16.329196] ret_from_fork_asm+0x1a/0x30 [ 16.329235] </TASK> [ 16.329247] [ 16.339114] Allocated by task 298: [ 16.339249] kasan_save_stack+0x45/0x70 [ 16.339396] kasan_save_track+0x18/0x40 [ 16.339535] kasan_save_alloc_info+0x3b/0x50 [ 16.339701] __kasan_kmalloc+0xb7/0xc0 [ 16.339901] __kmalloc_cache_noprof+0x189/0x420 [ 16.340158] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.340396] kunit_try_run_case+0x1a5/0x480 [ 16.340573] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.340752] kthread+0x337/0x6f0 [ 16.340894] ret_from_fork+0x116/0x1d0 [ 16.341030] ret_from_fork_asm+0x1a/0x30 [ 16.341394] [ 16.341491] The buggy address belongs to the object at ffff888102b16400 [ 16.341491] which belongs to the cache kmalloc-128 of size 128 [ 16.342045] The buggy address is located 0 bytes to the right of [ 16.342045] allocated 120-byte region [ffff888102b16400, ffff888102b16478) [ 16.342562] [ 16.342662] The buggy address belongs to the physical page: [ 16.342968] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b16 [ 16.343347] flags: 0x200000000000000(node=0|zone=2) [ 16.343570] page_type: f5(slab) [ 16.343710] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.344004] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.344599] page dumped because: kasan: bad access detected [ 16.344829] [ 16.344934] Memory state around the buggy address: [ 16.345141] ffff888102b16300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.345361] ffff888102b16380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.345581] >ffff888102b16400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.345798] ^ [ 16.346325] ffff888102b16480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.346600] ffff888102b16500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.346824] ================================================================== [ 16.347429] ================================================================== [ 16.347783] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 16.348225] Write of size 8 at addr ffff888102b16478 by task kunit_try_catch/298 [ 16.348564] [ 16.348675] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 16.348717] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.348730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.348753] Call Trace: [ 16.348766] <TASK> [ 16.348780] dump_stack_lvl+0x73/0xb0 [ 16.348809] print_report+0xd1/0x610 [ 16.348843] ? __virt_addr_valid+0x1db/0x2d0 [ 16.348871] ? copy_to_kernel_nofault+0x99/0x260 [ 16.348896] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.348919] ? copy_to_kernel_nofault+0x99/0x260 [ 16.348943] kasan_report+0x141/0x180 [ 16.348966] ? copy_to_kernel_nofault+0x99/0x260 [ 16.348995] kasan_check_range+0x10c/0x1c0 [ 16.349020] __kasan_check_write+0x18/0x20 [ 16.349040] copy_to_kernel_nofault+0x99/0x260 [ 16.349065] copy_to_kernel_nofault_oob+0x288/0x560 [ 16.349090] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.349114] ? finish_task_switch.isra.0+0x153/0x700 [ 16.349138] ? __schedule+0x10c6/0x2b60 [ 16.349160] ? trace_hardirqs_on+0x37/0xe0 [ 16.349191] ? __pfx_read_tsc+0x10/0x10 [ 16.349213] ? ktime_get_ts64+0x86/0x230 [ 16.349238] kunit_try_run_case+0x1a5/0x480 [ 16.349262] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.349286] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.349311] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.349335] ? __kthread_parkme+0x82/0x180 [ 16.349356] ? preempt_count_sub+0x50/0x80 [ 16.349380] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.349406] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.349447] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.349472] kthread+0x337/0x6f0 [ 16.349493] ? trace_preempt_on+0x20/0xc0 [ 16.349516] ? __pfx_kthread+0x10/0x10 [ 16.349538] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.349560] ? calculate_sigpending+0x7b/0xa0 [ 16.349584] ? __pfx_kthread+0x10/0x10 [ 16.349607] ret_from_fork+0x116/0x1d0 [ 16.349626] ? __pfx_kthread+0x10/0x10 [ 16.349648] ret_from_fork_asm+0x1a/0x30 [ 16.349679] </TASK> [ 16.349691] [ 16.357063] Allocated by task 298: [ 16.357194] kasan_save_stack+0x45/0x70 [ 16.357340] kasan_save_track+0x18/0x40 [ 16.357688] kasan_save_alloc_info+0x3b/0x50 [ 16.357914] __kasan_kmalloc+0xb7/0xc0 [ 16.358116] __kmalloc_cache_noprof+0x189/0x420 [ 16.358342] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.358584] kunit_try_run_case+0x1a5/0x480 [ 16.358954] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.359211] kthread+0x337/0x6f0 [ 16.359381] ret_from_fork+0x116/0x1d0 [ 16.359515] ret_from_fork_asm+0x1a/0x30 [ 16.359709] [ 16.359882] The buggy address belongs to the object at ffff888102b16400 [ 16.359882] which belongs to the cache kmalloc-128 of size 128 [ 16.360476] The buggy address is located 0 bytes to the right of [ 16.360476] allocated 120-byte region [ffff888102b16400, ffff888102b16478) [ 16.361061] [ 16.361160] The buggy address belongs to the physical page: [ 16.361425] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b16 [ 16.361759] flags: 0x200000000000000(node=0|zone=2) [ 16.362057] page_type: f5(slab) [ 16.362209] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.362526] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.362782] page dumped because: kasan: bad access detected [ 16.363234] [ 16.363333] Memory state around the buggy address: [ 16.363563] ffff888102b16300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.363845] ffff888102b16380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.364066] >ffff888102b16400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.364285] ^ [ 16.364501] ffff888102b16480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.364723] ffff888102b16500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.365068] ==================================================================