Date
June 5, 2025, 7:08 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 30.462993] ================================================================== [ 30.463102] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 30.463214] Write of size 8 at addr fff00000c7719b78 by task kunit_try_catch/281 [ 30.466387] [ 30.466447] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 30.466645] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.466684] Hardware name: linux,dummy-virt (DT) [ 30.466728] Call trace: [ 30.466758] show_stack+0x20/0x38 (C) [ 30.466822] dump_stack_lvl+0x8c/0xd0 [ 30.466885] print_report+0x118/0x608 [ 30.466944] kasan_report+0xdc/0x128 [ 30.467004] kasan_check_range+0x100/0x1a8 [ 30.467066] __kasan_check_write+0x20/0x30 [ 30.467127] copy_to_kernel_nofault+0x8c/0x250 [ 30.467188] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 30.467252] kunit_try_run_case+0x170/0x3f0 [ 30.467313] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.467627] kthread+0x328/0x630 [ 30.467774] ret_from_fork+0x10/0x20 [ 30.468088] [ 30.468448] Allocated by task 281: [ 30.468898] kasan_save_stack+0x3c/0x68 [ 30.469009] kasan_save_track+0x20/0x40 [ 30.470193] kasan_save_alloc_info+0x40/0x58 [ 30.470481] __kasan_kmalloc+0xd4/0xd8 [ 30.470587] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.470706] copy_to_kernel_nofault_oob+0xc8/0x418 [ 30.472138] kunit_try_run_case+0x170/0x3f0 [ 30.472254] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.472403] kthread+0x328/0x630 [ 30.473786] ret_from_fork+0x10/0x20 [ 30.474054] [ 30.474161] The buggy address belongs to the object at fff00000c7719b00 [ 30.474161] which belongs to the cache kmalloc-128 of size 128 [ 30.474877] The buggy address is located 0 bytes to the right of [ 30.474877] allocated 120-byte region [fff00000c7719b00, fff00000c7719b78) [ 30.475274] [ 30.475366] The buggy address belongs to the physical page: [ 30.475451] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107719 [ 30.476087] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.476281] page_type: f5(slab) [ 30.476477] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.476652] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.476781] page dumped because: kasan: bad access detected [ 30.476921] [ 30.476984] Memory state around the buggy address: [ 30.477075] fff00000c7719a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.477189] fff00000c7719a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.477324] >fff00000c7719b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.477556] ^ [ 30.477668] fff00000c7719b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.477778] fff00000c7719c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.477877] ================================================================== [ 30.446045] ================================================================== [ 30.446301] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 30.446569] Read of size 8 at addr fff00000c7719b78 by task kunit_try_catch/281 [ 30.446793] [ 30.446938] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 30.447245] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.447390] Hardware name: linux,dummy-virt (DT) [ 30.447481] Call trace: [ 30.447552] show_stack+0x20/0x38 (C) [ 30.447689] dump_stack_lvl+0x8c/0xd0 [ 30.448008] print_report+0x118/0x608 [ 30.448130] kasan_report+0xdc/0x128 [ 30.448197] __asan_report_load8_noabort+0x20/0x30 [ 30.448259] copy_to_kernel_nofault+0x204/0x250 [ 30.448344] copy_to_kernel_nofault_oob+0x158/0x418 [ 30.448501] kunit_try_run_case+0x170/0x3f0 [ 30.449745] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.449905] kthread+0x328/0x630 [ 30.450040] ret_from_fork+0x10/0x20 [ 30.450174] [ 30.450298] Allocated by task 281: [ 30.450516] kasan_save_stack+0x3c/0x68 [ 30.450844] kasan_save_track+0x20/0x40 [ 30.451196] kasan_save_alloc_info+0x40/0x58 [ 30.451322] __kasan_kmalloc+0xd4/0xd8 [ 30.451441] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.451541] copy_to_kernel_nofault_oob+0xc8/0x418 [ 30.451643] kunit_try_run_case+0x170/0x3f0 [ 30.451741] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.451848] kthread+0x328/0x630 [ 30.451952] ret_from_fork+0x10/0x20 [ 30.452050] [ 30.452104] The buggy address belongs to the object at fff00000c7719b00 [ 30.452104] which belongs to the cache kmalloc-128 of size 128 [ 30.452249] The buggy address is located 0 bytes to the right of [ 30.452249] allocated 120-byte region [fff00000c7719b00, fff00000c7719b78) [ 30.453458] [ 30.453821] The buggy address belongs to the physical page: [ 30.454589] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107719 [ 30.455568] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.456139] page_type: f5(slab) [ 30.456592] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.456732] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.457092] page dumped because: kasan: bad access detected [ 30.457454] [ 30.457509] Memory state around the buggy address: [ 30.458002] fff00000c7719a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.458320] fff00000c7719a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.458458] >fff00000c7719b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.458563] ^ [ 30.458669] fff00000c7719b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.458883] fff00000c7719c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.459524] ==================================================================
[ 15.448635] ================================================================== [ 15.449074] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 15.449596] Write of size 8 at addr ffff888102b2db78 by task kunit_try_catch/298 [ 15.449957] [ 15.450143] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 15.450189] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.450213] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.450235] Call Trace: [ 15.450248] <TASK> [ 15.450263] dump_stack_lvl+0x73/0xb0 [ 15.450302] print_report+0xd1/0x650 [ 15.450326] ? __virt_addr_valid+0x1db/0x2d0 [ 15.450350] ? copy_to_kernel_nofault+0x99/0x260 [ 15.450383] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.450407] ? copy_to_kernel_nofault+0x99/0x260 [ 15.450432] kasan_report+0x141/0x180 [ 15.450466] ? copy_to_kernel_nofault+0x99/0x260 [ 15.450495] kasan_check_range+0x10c/0x1c0 [ 15.450528] __kasan_check_write+0x18/0x20 [ 15.450549] copy_to_kernel_nofault+0x99/0x260 [ 15.450575] copy_to_kernel_nofault_oob+0x288/0x560 [ 15.450611] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 15.450635] ? finish_task_switch.isra.0+0x153/0x700 [ 15.450660] ? __schedule+0x10cc/0x2b60 [ 15.450684] ? trace_hardirqs_on+0x37/0xe0 [ 15.450714] ? __pfx_read_tsc+0x10/0x10 [ 15.450736] ? ktime_get_ts64+0x86/0x230 [ 15.450761] kunit_try_run_case+0x1a5/0x480 [ 15.450784] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.450805] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.450831] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.450856] ? __kthread_parkme+0x82/0x180 [ 15.450885] ? preempt_count_sub+0x50/0x80 [ 15.450919] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.450969] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.450996] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.451062] kthread+0x337/0x6f0 [ 15.451095] ? trace_preempt_on+0x20/0xc0 [ 15.451118] ? __pfx_kthread+0x10/0x10 [ 15.451140] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.451164] ? calculate_sigpending+0x7b/0xa0 [ 15.451190] ? __pfx_kthread+0x10/0x10 [ 15.451213] ret_from_fork+0x116/0x1d0 [ 15.451241] ? __pfx_kthread+0x10/0x10 [ 15.451263] ret_from_fork_asm+0x1a/0x30 [ 15.451304] </TASK> [ 15.451316] [ 15.460370] Allocated by task 298: [ 15.460558] kasan_save_stack+0x45/0x70 [ 15.460769] kasan_save_track+0x18/0x40 [ 15.461136] kasan_save_alloc_info+0x3b/0x50 [ 15.461337] __kasan_kmalloc+0xb7/0xc0 [ 15.461525] __kmalloc_cache_noprof+0x189/0x420 [ 15.461903] copy_to_kernel_nofault_oob+0x12f/0x560 [ 15.462199] kunit_try_run_case+0x1a5/0x480 [ 15.462407] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.462693] kthread+0x337/0x6f0 [ 15.462864] ret_from_fork+0x116/0x1d0 [ 15.463096] ret_from_fork_asm+0x1a/0x30 [ 15.463303] [ 15.463396] The buggy address belongs to the object at ffff888102b2db00 [ 15.463396] which belongs to the cache kmalloc-128 of size 128 [ 15.463797] The buggy address is located 0 bytes to the right of [ 15.463797] allocated 120-byte region [ffff888102b2db00, ffff888102b2db78) [ 15.464267] [ 15.464437] The buggy address belongs to the physical page: [ 15.464756] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b2d [ 15.465361] flags: 0x200000000000000(node=0|zone=2) [ 15.465702] page_type: f5(slab) [ 15.465852] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.466231] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.466508] page dumped because: kasan: bad access detected [ 15.466758] [ 15.466877] Memory state around the buggy address: [ 15.467343] ffff888102b2da00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.467603] ffff888102b2da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.468285] >ffff888102b2db00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.468635] ^ [ 15.468854] ffff888102b2db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.469088] ffff888102b2dc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.469930] ================================================================== [ 15.427102] ================================================================== [ 15.427690] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 15.427958] Read of size 8 at addr ffff888102b2db78 by task kunit_try_catch/298 [ 15.428292] [ 15.428404] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 15.428451] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.428464] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.428487] Call Trace: [ 15.428499] <TASK> [ 15.428516] dump_stack_lvl+0x73/0xb0 [ 15.428544] print_report+0xd1/0x650 [ 15.428568] ? __virt_addr_valid+0x1db/0x2d0 [ 15.428593] ? copy_to_kernel_nofault+0x225/0x260 [ 15.428617] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.428640] ? copy_to_kernel_nofault+0x225/0x260 [ 15.428665] kasan_report+0x141/0x180 [ 15.428688] ? copy_to_kernel_nofault+0x225/0x260 [ 15.428817] __asan_report_load8_noabort+0x18/0x20 [ 15.428843] copy_to_kernel_nofault+0x225/0x260 [ 15.428871] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 15.428905] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 15.428930] ? finish_task_switch.isra.0+0x153/0x700 [ 15.428955] ? __schedule+0x10cc/0x2b60 [ 15.428979] ? trace_hardirqs_on+0x37/0xe0 [ 15.429010] ? __pfx_read_tsc+0x10/0x10 [ 15.429033] ? ktime_get_ts64+0x86/0x230 [ 15.429300] kunit_try_run_case+0x1a5/0x480 [ 15.429337] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.429358] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.429385] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.429411] ? __kthread_parkme+0x82/0x180 [ 15.429433] ? preempt_count_sub+0x50/0x80 [ 15.429458] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.429480] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.429506] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.429532] kthread+0x337/0x6f0 [ 15.429552] ? trace_preempt_on+0x20/0xc0 [ 15.429577] ? __pfx_kthread+0x10/0x10 [ 15.429601] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.429627] ? calculate_sigpending+0x7b/0xa0 [ 15.429654] ? __pfx_kthread+0x10/0x10 [ 15.429678] ret_from_fork+0x116/0x1d0 [ 15.429698] ? __pfx_kthread+0x10/0x10 [ 15.429720] ret_from_fork_asm+0x1a/0x30 [ 15.429752] </TASK> [ 15.429766] [ 15.438507] Allocated by task 298: [ 15.438640] kasan_save_stack+0x45/0x70 [ 15.438787] kasan_save_track+0x18/0x40 [ 15.439120] kasan_save_alloc_info+0x3b/0x50 [ 15.439416] __kasan_kmalloc+0xb7/0xc0 [ 15.439627] __kmalloc_cache_noprof+0x189/0x420 [ 15.439924] copy_to_kernel_nofault_oob+0x12f/0x560 [ 15.440194] kunit_try_run_case+0x1a5/0x480 [ 15.440499] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.440824] kthread+0x337/0x6f0 [ 15.440996] ret_from_fork+0x116/0x1d0 [ 15.441332] ret_from_fork_asm+0x1a/0x30 [ 15.441645] [ 15.441733] The buggy address belongs to the object at ffff888102b2db00 [ 15.441733] which belongs to the cache kmalloc-128 of size 128 [ 15.442263] The buggy address is located 0 bytes to the right of [ 15.442263] allocated 120-byte region [ffff888102b2db00, ffff888102b2db78) [ 15.442751] [ 15.442852] The buggy address belongs to the physical page: [ 15.443116] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b2d [ 15.443648] flags: 0x200000000000000(node=0|zone=2) [ 15.443843] page_type: f5(slab) [ 15.444118] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.444433] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.444668] page dumped because: kasan: bad access detected [ 15.444931] [ 15.445061] Memory state around the buggy address: [ 15.445506] ffff888102b2da00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.445952] ffff888102b2da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.446388] >ffff888102b2db00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.446609] ^ [ 15.446934] ffff888102b2db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.447323] ffff888102b2dc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.447543] ==================================================================