Date
July 18, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-x86_64 |
[ 15.976336] ================================================================== [ 15.976745] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70 [ 15.977304] Read of size 121 at addr ffff888102ae1400 by task kunit_try_catch/303 [ 15.978139] [ 15.978410] CPU: 0 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 15.978468] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.978480] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.978503] Call Trace: [ 15.978517] <TASK> [ 15.978535] dump_stack_lvl+0x73/0xb0 [ 15.978566] print_report+0xd1/0x610 [ 15.978591] ? __virt_addr_valid+0x1db/0x2d0 [ 15.978615] ? _copy_to_user+0x3c/0x70 [ 15.978635] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.978660] ? _copy_to_user+0x3c/0x70 [ 15.978680] kasan_report+0x141/0x180 [ 15.978703] ? _copy_to_user+0x3c/0x70 [ 15.978729] kasan_check_range+0x10c/0x1c0 [ 15.978754] __kasan_check_read+0x15/0x20 [ 15.978774] _copy_to_user+0x3c/0x70 [ 15.978795] copy_user_test_oob+0x364/0x10f0 [ 15.978823] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.978847] ? finish_task_switch.isra.0+0x153/0x700 [ 15.978871] ? __switch_to+0x47/0xf50 [ 15.978898] ? __schedule+0x10cc/0x2b60 [ 15.978922] ? __pfx_read_tsc+0x10/0x10 [ 15.978945] ? ktime_get_ts64+0x86/0x230 [ 15.978971] kunit_try_run_case+0x1a5/0x480 [ 15.978996] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.979020] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.979045] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.979071] ? __kthread_parkme+0x82/0x180 [ 15.979092] ? preempt_count_sub+0x50/0x80 [ 15.979117] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.979142] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.979167] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.979193] kthread+0x337/0x6f0 [ 15.979213] ? trace_preempt_on+0x20/0xc0 [ 15.979238] ? __pfx_kthread+0x10/0x10 [ 15.979260] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.979282] ? calculate_sigpending+0x7b/0xa0 [ 15.979308] ? __pfx_kthread+0x10/0x10 [ 15.979330] ret_from_fork+0x116/0x1d0 [ 15.979349] ? __pfx_kthread+0x10/0x10 [ 15.979371] ret_from_fork_asm+0x1a/0x30 [ 15.979404] </TASK> [ 15.979415] [ 15.989783] Allocated by task 303: [ 15.990041] kasan_save_stack+0x45/0x70 [ 15.990283] kasan_save_track+0x18/0x40 [ 15.990423] kasan_save_alloc_info+0x3b/0x50 [ 15.990772] __kasan_kmalloc+0xb7/0xc0 [ 15.990966] __kmalloc_noprof+0x1c9/0x500 [ 15.991191] kunit_kmalloc_array+0x25/0x60 [ 15.991338] copy_user_test_oob+0xab/0x10f0 [ 15.991533] kunit_try_run_case+0x1a5/0x480 [ 15.991956] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.992218] kthread+0x337/0x6f0 [ 15.992348] ret_from_fork+0x116/0x1d0 [ 15.992494] ret_from_fork_asm+0x1a/0x30 [ 15.992637] [ 15.992730] The buggy address belongs to the object at ffff888102ae1400 [ 15.992730] which belongs to the cache kmalloc-128 of size 128 [ 15.993350] The buggy address is located 0 bytes inside of [ 15.993350] allocated 120-byte region [ffff888102ae1400, ffff888102ae1478) [ 15.993936] [ 15.994032] The buggy address belongs to the physical page: [ 15.994219] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ae1 [ 15.994525] flags: 0x200000000000000(node=0|zone=2) [ 15.994737] page_type: f5(slab) [ 15.994901] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.995230] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.995578] page dumped because: kasan: bad access detected [ 15.995806] [ 15.995911] Memory state around the buggy address: [ 15.996115] ffff888102ae1300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.996426] ffff888102ae1380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.996806] >ffff888102ae1400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.997060] ^ [ 15.997283] ffff888102ae1480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.997689] ffff888102ae1500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.998162] ==================================================================
[ 16.466556] ================================================================== [ 16.466997] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70 [ 16.467314] Read of size 121 at addr ffff8881029c5700 by task kunit_try_catch/302 [ 16.467723] [ 16.467845] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.467897] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.467910] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.467934] Call Trace: [ 16.467952] <TASK> [ 16.467974] dump_stack_lvl+0x73/0xb0 [ 16.468021] print_report+0xd1/0x610 [ 16.468048] ? __virt_addr_valid+0x1db/0x2d0 [ 16.468072] ? _copy_to_user+0x3c/0x70 [ 16.468093] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.468117] ? _copy_to_user+0x3c/0x70 [ 16.468137] kasan_report+0x141/0x180 [ 16.468160] ? _copy_to_user+0x3c/0x70 [ 16.468184] kasan_check_range+0x10c/0x1c0 [ 16.468209] __kasan_check_read+0x15/0x20 [ 16.468228] _copy_to_user+0x3c/0x70 [ 16.468248] copy_user_test_oob+0x364/0x10f0 [ 16.468276] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.468300] ? finish_task_switch.isra.0+0x153/0x700 [ 16.468324] ? __switch_to+0x47/0xf50 [ 16.468351] ? __schedule+0x10cc/0x2b60 [ 16.468375] ? __pfx_read_tsc+0x10/0x10 [ 16.468397] ? ktime_get_ts64+0x86/0x230 [ 16.468422] kunit_try_run_case+0x1a5/0x480 [ 16.468459] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.468482] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.468507] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.468532] ? __kthread_parkme+0x82/0x180 [ 16.468554] ? preempt_count_sub+0x50/0x80 [ 16.468578] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.468603] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.468628] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.468653] kthread+0x337/0x6f0 [ 16.468673] ? trace_preempt_on+0x20/0xc0 [ 16.468697] ? __pfx_kthread+0x10/0x10 [ 16.468718] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.468741] ? calculate_sigpending+0x7b/0xa0 [ 16.468767] ? __pfx_kthread+0x10/0x10 [ 16.468788] ret_from_fork+0x116/0x1d0 [ 16.468808] ? __pfx_kthread+0x10/0x10 [ 16.468831] ret_from_fork_asm+0x1a/0x30 [ 16.468871] </TASK> [ 16.468881] [ 16.475973] Allocated by task 302: [ 16.476181] kasan_save_stack+0x45/0x70 [ 16.476392] kasan_save_track+0x18/0x40 [ 16.476580] kasan_save_alloc_info+0x3b/0x50 [ 16.476794] __kasan_kmalloc+0xb7/0xc0 [ 16.476966] __kmalloc_noprof+0x1c9/0x500 [ 16.477154] kunit_kmalloc_array+0x25/0x60 [ 16.477342] copy_user_test_oob+0xab/0x10f0 [ 16.477503] kunit_try_run_case+0x1a5/0x480 [ 16.477649] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.477906] kthread+0x337/0x6f0 [ 16.478087] ret_from_fork+0x116/0x1d0 [ 16.478276] ret_from_fork_asm+0x1a/0x30 [ 16.478465] [ 16.478565] The buggy address belongs to the object at ffff8881029c5700 [ 16.478565] which belongs to the cache kmalloc-128 of size 128 [ 16.479113] The buggy address is located 0 bytes inside of [ 16.479113] allocated 120-byte region [ffff8881029c5700, ffff8881029c5778) [ 16.479631] [ 16.479730] The buggy address belongs to the physical page: [ 16.479942] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029c5 [ 16.480245] flags: 0x200000000000000(node=0|zone=2) [ 16.480483] page_type: f5(slab) [ 16.480663] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.480956] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.481264] page dumped because: kasan: bad access detected [ 16.481507] [ 16.481580] Memory state around the buggy address: [ 16.481779] ffff8881029c5600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.482092] ffff8881029c5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.482351] >ffff8881029c5700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.482650] ^ [ 16.482915] ffff8881029c5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.483218] ffff8881029c5800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.483524] ==================================================================
[ 16.178345] ================================================================== [ 16.178782] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70 [ 16.179107] Read of size 121 at addr ffff8881029b2200 by task kunit_try_catch/302 [ 16.179570] [ 16.179672] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.179718] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.179731] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.179753] Call Trace: [ 16.179767] <TASK> [ 16.179783] dump_stack_lvl+0x73/0xb0 [ 16.179813] print_report+0xd1/0x610 [ 16.179837] ? __virt_addr_valid+0x1db/0x2d0 [ 16.179861] ? _copy_to_user+0x3c/0x70 [ 16.179881] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.179918] ? _copy_to_user+0x3c/0x70 [ 16.179938] kasan_report+0x141/0x180 [ 16.179962] ? _copy_to_user+0x3c/0x70 [ 16.179987] kasan_check_range+0x10c/0x1c0 [ 16.180011] __kasan_check_read+0x15/0x20 [ 16.180031] _copy_to_user+0x3c/0x70 [ 16.180051] copy_user_test_oob+0x364/0x10f0 [ 16.180078] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.180103] ? finish_task_switch.isra.0+0x153/0x700 [ 16.180127] ? __switch_to+0x47/0xf50 [ 16.180153] ? __schedule+0x10cc/0x2b60 [ 16.180177] ? __pfx_read_tsc+0x10/0x10 [ 16.180198] ? ktime_get_ts64+0x86/0x230 [ 16.180224] kunit_try_run_case+0x1a5/0x480 [ 16.180249] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.180272] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.180297] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.180322] ? __kthread_parkme+0x82/0x180 [ 16.180344] ? preempt_count_sub+0x50/0x80 [ 16.180369] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.180394] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.180420] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.180445] kthread+0x337/0x6f0 [ 16.180464] ? trace_preempt_on+0x20/0xc0 [ 16.180489] ? __pfx_kthread+0x10/0x10 [ 16.180511] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.180533] ? calculate_sigpending+0x7b/0xa0 [ 16.180558] ? __pfx_kthread+0x10/0x10 [ 16.180580] ret_from_fork+0x116/0x1d0 [ 16.180599] ? __pfx_kthread+0x10/0x10 [ 16.180620] ret_from_fork_asm+0x1a/0x30 [ 16.180654] </TASK> [ 16.180664] [ 16.187698] Allocated by task 302: [ 16.187827] kasan_save_stack+0x45/0x70 [ 16.187984] kasan_save_track+0x18/0x40 [ 16.188179] kasan_save_alloc_info+0x3b/0x50 [ 16.188402] __kasan_kmalloc+0xb7/0xc0 [ 16.188591] __kmalloc_noprof+0x1c9/0x500 [ 16.188790] kunit_kmalloc_array+0x25/0x60 [ 16.189004] copy_user_test_oob+0xab/0x10f0 [ 16.189340] kunit_try_run_case+0x1a5/0x480 [ 16.189549] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.189728] kthread+0x337/0x6f0 [ 16.189850] ret_from_fork+0x116/0x1d0 [ 16.190131] ret_from_fork_asm+0x1a/0x30 [ 16.190334] [ 16.190429] The buggy address belongs to the object at ffff8881029b2200 [ 16.190429] which belongs to the cache kmalloc-128 of size 128 [ 16.190923] The buggy address is located 0 bytes inside of [ 16.190923] allocated 120-byte region [ffff8881029b2200, ffff8881029b2278) [ 16.191466] [ 16.191547] The buggy address belongs to the physical page: [ 16.191755] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029b2 [ 16.192120] flags: 0x200000000000000(node=0|zone=2) [ 16.192339] page_type: f5(slab) [ 16.192484] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.192771] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.193137] page dumped because: kasan: bad access detected [ 16.193342] [ 16.193437] Memory state around the buggy address: [ 16.193637] ffff8881029b2100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.193917] ffff8881029b2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.194227] >ffff8881029b2200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.194445] ^ [ 16.194659] ffff8881029b2280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.194886] ffff8881029b2300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.195112] ==================================================================