Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.459544] ================================================================== [ 24.459637] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 24.460178] Write of size 8 at addr fff00000c7791f78 by task kunit_try_catch/291 [ 24.460272] [ 24.460593] CPU: 0 UID: 0 PID: 291 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 24.460718] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.460758] Hardware name: linux,dummy-virt (DT) [ 24.461033] Call trace: [ 24.461081] show_stack+0x20/0x38 (C) [ 24.461170] dump_stack_lvl+0x8c/0xd0 [ 24.461594] print_report+0x118/0x608 [ 24.461850] kasan_report+0xdc/0x128 [ 24.462080] kasan_check_range+0x100/0x1a8 [ 24.462305] __kasan_check_write+0x20/0x30 [ 24.462398] copy_to_kernel_nofault+0x8c/0x250 [ 24.462523] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 24.462612] kunit_try_run_case+0x170/0x3f0 [ 24.463031] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.463224] kthread+0x328/0x630 [ 24.463287] ret_from_fork+0x10/0x20 [ 24.463413] [ 24.463461] Allocated by task 291: [ 24.463502] kasan_save_stack+0x3c/0x68 [ 24.463584] kasan_save_track+0x20/0x40 [ 24.463797] kasan_save_alloc_info+0x40/0x58 [ 24.463896] __kasan_kmalloc+0xd4/0xd8 [ 24.463960] __kmalloc_cache_noprof+0x16c/0x3c0 [ 24.464321] copy_to_kernel_nofault_oob+0xc8/0x418 [ 24.464399] kunit_try_run_case+0x170/0x3f0 [ 24.464451] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.464503] kthread+0x328/0x630 [ 24.464686] ret_from_fork+0x10/0x20 [ 24.464749] [ 24.464821] The buggy address belongs to the object at fff00000c7791f00 [ 24.464821] which belongs to the cache kmalloc-128 of size 128 [ 24.464906] The buggy address is located 0 bytes to the right of [ 24.464906] allocated 120-byte region [fff00000c7791f00, fff00000c7791f78) [ 24.464982] [ 24.465010] The buggy address belongs to the physical page: [ 24.465066] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107791 [ 24.465135] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.465201] page_type: f5(slab) [ 24.465255] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 24.465324] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.465375] page dumped because: kasan: bad access detected [ 24.465427] [ 24.465469] Memory state around the buggy address: [ 24.465516] fff00000c7791e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.465581] fff00000c7791e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.465639] >fff00000c7791f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.465685] ^ [ 24.465736] fff00000c7791f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.465787] fff00000c7792000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.465835] ================================================================== [ 24.445786] ================================================================== [ 24.445906] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 24.445999] Read of size 8 at addr fff00000c7791f78 by task kunit_try_catch/291 [ 24.446827] [ 24.446930] CPU: 0 UID: 0 PID: 291 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 24.447059] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.447495] Hardware name: linux,dummy-virt (DT) [ 24.447761] Call trace: [ 24.448056] show_stack+0x20/0x38 (C) [ 24.448143] dump_stack_lvl+0x8c/0xd0 [ 24.448211] print_report+0x118/0x608 [ 24.448602] kasan_report+0xdc/0x128 [ 24.448682] __asan_report_load8_noabort+0x20/0x30 [ 24.449057] copy_to_kernel_nofault+0x204/0x250 [ 24.449260] copy_to_kernel_nofault_oob+0x158/0x418 [ 24.449331] kunit_try_run_case+0x170/0x3f0 [ 24.449862] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.449984] kthread+0x328/0x630 [ 24.450213] ret_from_fork+0x10/0x20 [ 24.450430] [ 24.450685] Allocated by task 291: [ 24.450735] kasan_save_stack+0x3c/0x68 [ 24.451040] kasan_save_track+0x20/0x40 [ 24.451102] kasan_save_alloc_info+0x40/0x58 [ 24.451151] __kasan_kmalloc+0xd4/0xd8 [ 24.451458] __kmalloc_cache_noprof+0x16c/0x3c0 [ 24.451790] copy_to_kernel_nofault_oob+0xc8/0x418 [ 24.451855] kunit_try_run_case+0x170/0x3f0 [ 24.452074] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.452234] kthread+0x328/0x630 [ 24.452664] ret_from_fork+0x10/0x20 [ 24.452894] [ 24.452976] The buggy address belongs to the object at fff00000c7791f00 [ 24.452976] which belongs to the cache kmalloc-128 of size 128 [ 24.453231] The buggy address is located 0 bytes to the right of [ 24.453231] allocated 120-byte region [fff00000c7791f00, fff00000c7791f78) [ 24.453423] [ 24.453459] The buggy address belongs to the physical page: [ 24.453885] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107791 [ 24.453982] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.454431] page_type: f5(slab) [ 24.454576] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 24.454646] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.454716] page dumped because: kasan: bad access detected [ 24.455126] [ 24.455162] Memory state around the buggy address: [ 24.455214] fff00000c7791e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.455508] fff00000c7791e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.455565] >fff00000c7791f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.455612] ^ [ 24.455676] fff00000c7791f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.455726] fff00000c7792000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.455772] ==================================================================
[ 14.950619] ================================================================== [ 14.950895] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 14.951233] Write of size 8 at addr ffff8881038fb878 by task kunit_try_catch/307 [ 14.951652] [ 14.951745] CPU: 1 UID: 0 PID: 307 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 14.951791] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.951805] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.951826] Call Trace: [ 14.951839] <TASK> [ 14.951855] dump_stack_lvl+0x73/0xb0 [ 14.951880] print_report+0xd1/0x650 [ 14.951902] ? __virt_addr_valid+0x1db/0x2d0 [ 14.951924] ? copy_to_kernel_nofault+0x99/0x260 [ 14.951946] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.951972] ? copy_to_kernel_nofault+0x99/0x260 [ 14.951995] kasan_report+0x141/0x180 [ 14.952017] ? copy_to_kernel_nofault+0x99/0x260 [ 14.952045] kasan_check_range+0x10c/0x1c0 [ 14.952068] __kasan_check_write+0x18/0x20 [ 14.952091] copy_to_kernel_nofault+0x99/0x260 [ 14.952115] copy_to_kernel_nofault_oob+0x288/0x560 [ 14.952138] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 14.952161] ? finish_task_switch.isra.0+0x153/0x700 [ 14.952184] ? __schedule+0x10cc/0x2b60 [ 14.952214] ? trace_hardirqs_on+0x37/0xe0 [ 14.952245] ? __pfx_read_tsc+0x10/0x10 [ 14.952265] ? ktime_get_ts64+0x86/0x230 [ 14.952290] kunit_try_run_case+0x1a5/0x480 [ 14.952313] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.952335] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.952356] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.952379] ? __kthread_parkme+0x82/0x180 [ 14.952398] ? preempt_count_sub+0x50/0x80 [ 14.952421] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.952444] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.952467] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.952490] kthread+0x337/0x6f0 [ 14.952510] ? trace_preempt_on+0x20/0xc0 [ 14.952531] ? __pfx_kthread+0x10/0x10 [ 14.952552] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.952572] ? calculate_sigpending+0x7b/0xa0 [ 14.952595] ? __pfx_kthread+0x10/0x10 [ 14.952617] ret_from_fork+0x116/0x1d0 [ 14.952635] ? __pfx_kthread+0x10/0x10 [ 14.952660] ret_from_fork_asm+0x1a/0x30 [ 14.952689] </TASK> [ 14.952700] [ 14.959960] Allocated by task 307: [ 14.960080] kasan_save_stack+0x45/0x70 [ 14.960276] kasan_save_track+0x18/0x40 [ 14.960461] kasan_save_alloc_info+0x3b/0x50 [ 14.960775] __kasan_kmalloc+0xb7/0xc0 [ 14.960953] __kmalloc_cache_noprof+0x189/0x420 [ 14.961147] copy_to_kernel_nofault_oob+0x12f/0x560 [ 14.961335] kunit_try_run_case+0x1a5/0x480 [ 14.961482] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.961766] kthread+0x337/0x6f0 [ 14.962059] ret_from_fork+0x116/0x1d0 [ 14.962268] ret_from_fork_asm+0x1a/0x30 [ 14.962503] [ 14.962656] The buggy address belongs to the object at ffff8881038fb800 [ 14.962656] which belongs to the cache kmalloc-128 of size 128 [ 14.963156] The buggy address is located 0 bytes to the right of [ 14.963156] allocated 120-byte region [ffff8881038fb800, ffff8881038fb878) [ 14.963768] [ 14.963840] The buggy address belongs to the physical page: [ 14.964005] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038fb [ 14.964341] flags: 0x200000000000000(node=0|zone=2) [ 14.964675] page_type: f5(slab) [ 14.965003] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.965276] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.965520] page dumped because: kasan: bad access detected [ 14.967572] [ 14.967676] Memory state around the buggy address: [ 14.967852] ffff8881038fb700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.968066] ffff8881038fb780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.968462] >ffff8881038fb800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 14.968685] ^ [ 14.968894] ffff8881038fb880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.969156] ffff8881038fb900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.969407] ================================================================== [ 14.923668] ================================================================== [ 14.924907] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 14.925625] Read of size 8 at addr ffff8881038fb878 by task kunit_try_catch/307 [ 14.926250] [ 14.926563] CPU: 1 UID: 0 PID: 307 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 14.926627] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.926641] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.926665] Call Trace: [ 14.926678] <TASK> [ 14.926694] dump_stack_lvl+0x73/0xb0 [ 14.926723] print_report+0xd1/0x650 [ 14.926747] ? __virt_addr_valid+0x1db/0x2d0 [ 14.926770] ? copy_to_kernel_nofault+0x225/0x260 [ 14.926793] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.926819] ? copy_to_kernel_nofault+0x225/0x260 [ 14.926842] kasan_report+0x141/0x180 [ 14.926864] ? copy_to_kernel_nofault+0x225/0x260 [ 14.926892] __asan_report_load8_noabort+0x18/0x20 [ 14.926916] copy_to_kernel_nofault+0x225/0x260 [ 14.926941] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 14.926964] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 14.926987] ? finish_task_switch.isra.0+0x153/0x700 [ 14.927010] ? __schedule+0x10cc/0x2b60 [ 14.927031] ? trace_hardirqs_on+0x37/0xe0 [ 14.927062] ? __pfx_read_tsc+0x10/0x10 [ 14.927084] ? ktime_get_ts64+0x86/0x230 [ 14.927109] kunit_try_run_case+0x1a5/0x480 [ 14.927134] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.927157] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.927179] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.927201] ? __kthread_parkme+0x82/0x180 [ 14.927235] ? preempt_count_sub+0x50/0x80 [ 14.927257] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.927280] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.927303] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.927326] kthread+0x337/0x6f0 [ 14.927345] ? trace_preempt_on+0x20/0xc0 [ 14.927389] ? __pfx_kthread+0x10/0x10 [ 14.927410] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.927431] ? calculate_sigpending+0x7b/0xa0 [ 14.927455] ? __pfx_kthread+0x10/0x10 [ 14.927477] ret_from_fork+0x116/0x1d0 [ 14.927495] ? __pfx_kthread+0x10/0x10 [ 14.927516] ret_from_fork_asm+0x1a/0x30 [ 14.927547] </TASK> [ 14.927559] [ 14.939953] Allocated by task 307: [ 14.940333] kasan_save_stack+0x45/0x70 [ 14.940726] kasan_save_track+0x18/0x40 [ 14.941136] kasan_save_alloc_info+0x3b/0x50 [ 14.941558] __kasan_kmalloc+0xb7/0xc0 [ 14.941893] __kmalloc_cache_noprof+0x189/0x420 [ 14.942334] copy_to_kernel_nofault_oob+0x12f/0x560 [ 14.942791] kunit_try_run_case+0x1a5/0x480 [ 14.943129] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.943444] kthread+0x337/0x6f0 [ 14.943754] ret_from_fork+0x116/0x1d0 [ 14.944171] ret_from_fork_asm+0x1a/0x30 [ 14.944473] [ 14.944568] The buggy address belongs to the object at ffff8881038fb800 [ 14.944568] which belongs to the cache kmalloc-128 of size 128 [ 14.944922] The buggy address is located 0 bytes to the right of [ 14.944922] allocated 120-byte region [ffff8881038fb800, ffff8881038fb878) [ 14.945355] [ 14.945427] The buggy address belongs to the physical page: [ 14.945871] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038fb [ 14.946621] flags: 0x200000000000000(node=0|zone=2) [ 14.946875] page_type: f5(slab) [ 14.946993] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.947252] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.947474] page dumped because: kasan: bad access detected [ 14.947834] [ 14.948003] Memory state around the buggy address: [ 14.948155] ffff8881038fb700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.948394] ffff8881038fb780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.948688] >ffff8881038fb800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 14.949042] ^ [ 14.949384] ffff8881038fb880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.949647] ffff8881038fb900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.950001] ==================================================================