Date
July 1, 2025, 11:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.091041] ================================================================== [ 22.091228] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 22.091327] Write of size 1 at addr fff00000c76c3a78 by task kunit_try_catch/286 [ 22.091393] [ 22.091830] CPU: 0 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.092128] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.092177] Hardware name: linux,dummy-virt (DT) [ 22.092550] Call trace: [ 22.092658] show_stack+0x20/0x38 (C) [ 22.093030] dump_stack_lvl+0x8c/0xd0 [ 22.093424] print_report+0x118/0x608 [ 22.093491] kasan_report+0xdc/0x128 [ 22.093824] __asan_report_store1_noabort+0x20/0x30 [ 22.093929] strncpy_from_user+0x270/0x2a0 [ 22.094459] copy_user_test_oob+0x5c0/0xec8 [ 22.094624] kunit_try_run_case+0x170/0x3f0 [ 22.094882] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.094968] kthread+0x328/0x630 [ 22.095059] ret_from_fork+0x10/0x20 [ 22.095795] [ 22.095848] Allocated by task 286: [ 22.096329] kasan_save_stack+0x3c/0x68 [ 22.096399] kasan_save_track+0x20/0x40 [ 22.096454] kasan_save_alloc_info+0x40/0x58 [ 22.096501] __kasan_kmalloc+0xd4/0xd8 [ 22.096542] __kmalloc_noprof+0x198/0x4c8 [ 22.096587] kunit_kmalloc_array+0x34/0x88 [ 22.096631] copy_user_test_oob+0xac/0xec8 [ 22.096680] kunit_try_run_case+0x170/0x3f0 [ 22.096978] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.097421] kthread+0x328/0x630 [ 22.097721] ret_from_fork+0x10/0x20 [ 22.097847] [ 22.098026] The buggy address belongs to the object at fff00000c76c3a00 [ 22.098026] which belongs to the cache kmalloc-128 of size 128 [ 22.098104] The buggy address is located 0 bytes to the right of [ 22.098104] allocated 120-byte region [fff00000c76c3a00, fff00000c76c3a78) [ 22.099399] [ 22.099449] The buggy address belongs to the physical page: [ 22.099510] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076c3 [ 22.099610] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.099847] page_type: f5(slab) [ 22.099944] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.100021] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.100071] page dumped because: kasan: bad access detected [ 22.100392] [ 22.100821] Memory state around the buggy address: [ 22.101126] fff00000c76c3900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.101395] fff00000c76c3980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.101521] >fff00000c76c3a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.101698] ^ [ 22.101902] fff00000c76c3a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.101957] fff00000c76c3b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.102004] ================================================================== [ 22.081363] ================================================================== [ 22.081661] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 22.081874] Write of size 121 at addr fff00000c76c3a00 by task kunit_try_catch/286 [ 22.082472] [ 22.082586] CPU: 0 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.082831] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.083087] Hardware name: linux,dummy-virt (DT) [ 22.083318] Call trace: [ 22.083405] show_stack+0x20/0x38 (C) [ 22.083688] dump_stack_lvl+0x8c/0xd0 [ 22.083745] print_report+0x118/0x608 [ 22.083895] kasan_report+0xdc/0x128 [ 22.083981] kasan_check_range+0x100/0x1a8 [ 22.084042] __kasan_check_write+0x20/0x30 [ 22.084105] strncpy_from_user+0x3c/0x2a0 [ 22.084184] copy_user_test_oob+0x5c0/0xec8 [ 22.084239] kunit_try_run_case+0x170/0x3f0 [ 22.084295] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.084358] kthread+0x328/0x630 [ 22.084415] ret_from_fork+0x10/0x20 [ 22.084495] [ 22.084519] Allocated by task 286: [ 22.084554] kasan_save_stack+0x3c/0x68 [ 22.084612] kasan_save_track+0x20/0x40 [ 22.084656] kasan_save_alloc_info+0x40/0x58 [ 22.084719] __kasan_kmalloc+0xd4/0xd8 [ 22.084772] __kmalloc_noprof+0x198/0x4c8 [ 22.084817] kunit_kmalloc_array+0x34/0x88 [ 22.084861] copy_user_test_oob+0xac/0xec8 [ 22.084904] kunit_try_run_case+0x170/0x3f0 [ 22.084960] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.085017] kthread+0x328/0x630 [ 22.085063] ret_from_fork+0x10/0x20 [ 22.085121] [ 22.085176] The buggy address belongs to the object at fff00000c76c3a00 [ 22.085176] which belongs to the cache kmalloc-128 of size 128 [ 22.085541] The buggy address is located 0 bytes inside of [ 22.085541] allocated 120-byte region [fff00000c76c3a00, fff00000c76c3a78) [ 22.085693] [ 22.086032] The buggy address belongs to the physical page: [ 22.086076] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076c3 [ 22.086172] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.086641] page_type: f5(slab) [ 22.086924] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.087176] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.087231] page dumped because: kasan: bad access detected [ 22.087271] [ 22.087493] Memory state around the buggy address: [ 22.087572] fff00000c76c3900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.087951] fff00000c76c3980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.088189] >fff00000c76c3a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.088288] ^ [ 22.088634] fff00000c76c3a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.088746] fff00000c76c3b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.088822] ==================================================================
[ 15.600110] ================================================================== [ 15.600479] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 15.600910] Write of size 1 at addr ffff88810258dd78 by task kunit_try_catch/302 [ 15.601290] [ 15.601404] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.601449] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.601463] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.601484] Call Trace: [ 15.601502] <TASK> [ 15.601521] dump_stack_lvl+0x73/0xb0 [ 15.601549] print_report+0xd1/0x650 [ 15.601575] ? __virt_addr_valid+0x1db/0x2d0 [ 15.601598] ? strncpy_from_user+0x1a5/0x1d0 [ 15.601622] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.601659] ? strncpy_from_user+0x1a5/0x1d0 [ 15.601682] kasan_report+0x141/0x180 [ 15.601704] ? strncpy_from_user+0x1a5/0x1d0 [ 15.601767] __asan_report_store1_noabort+0x1b/0x30 [ 15.601790] strncpy_from_user+0x1a5/0x1d0 [ 15.601827] copy_user_test_oob+0x760/0x10f0 [ 15.601853] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.601876] ? finish_task_switch.isra.0+0x153/0x700 [ 15.601900] ? __switch_to+0x47/0xf50 [ 15.601926] ? __schedule+0x10cc/0x2b60 [ 15.601950] ? __pfx_read_tsc+0x10/0x10 [ 15.601972] ? ktime_get_ts64+0x86/0x230 [ 15.602026] kunit_try_run_case+0x1a5/0x480 [ 15.602051] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.602084] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.602109] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.602132] ? __kthread_parkme+0x82/0x180 [ 15.602154] ? preempt_count_sub+0x50/0x80 [ 15.602178] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.602203] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.602254] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.602278] kthread+0x337/0x6f0 [ 15.602298] ? trace_preempt_on+0x20/0xc0 [ 15.602334] ? __pfx_kthread+0x10/0x10 [ 15.602355] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.602385] ? calculate_sigpending+0x7b/0xa0 [ 15.602410] ? __pfx_kthread+0x10/0x10 [ 15.602432] ret_from_fork+0x116/0x1d0 [ 15.602451] ? __pfx_kthread+0x10/0x10 [ 15.602471] ret_from_fork_asm+0x1a/0x30 [ 15.602502] </TASK> [ 15.602513] [ 15.610620] Allocated by task 302: [ 15.610809] kasan_save_stack+0x45/0x70 [ 15.611022] kasan_save_track+0x18/0x40 [ 15.611195] kasan_save_alloc_info+0x3b/0x50 [ 15.611493] __kasan_kmalloc+0xb7/0xc0 [ 15.611787] __kmalloc_noprof+0x1c9/0x500 [ 15.611985] kunit_kmalloc_array+0x25/0x60 [ 15.612219] copy_user_test_oob+0xab/0x10f0 [ 15.612460] kunit_try_run_case+0x1a5/0x480 [ 15.612716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.612995] kthread+0x337/0x6f0 [ 15.613196] ret_from_fork+0x116/0x1d0 [ 15.613414] ret_from_fork_asm+0x1a/0x30 [ 15.613557] [ 15.613641] The buggy address belongs to the object at ffff88810258dd00 [ 15.613641] which belongs to the cache kmalloc-128 of size 128 [ 15.614318] The buggy address is located 0 bytes to the right of [ 15.614318] allocated 120-byte region [ffff88810258dd00, ffff88810258dd78) [ 15.614904] [ 15.615012] The buggy address belongs to the physical page: [ 15.615427] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10258d [ 15.615779] flags: 0x200000000000000(node=0|zone=2) [ 15.615949] page_type: f5(slab) [ 15.616072] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.616418] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.616989] page dumped because: kasan: bad access detected [ 15.617260] [ 15.617358] Memory state around the buggy address: [ 15.617567] ffff88810258dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.617891] ffff88810258dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.618112] >ffff88810258dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.618486] ^ [ 15.618918] ffff88810258dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.619190] ffff88810258de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.619555] ================================================================== [ 15.580519] ================================================================== [ 15.580876] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 15.581310] Write of size 121 at addr ffff88810258dd00 by task kunit_try_catch/302 [ 15.581847] [ 15.582054] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.582103] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.582116] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.582139] Call Trace: [ 15.582156] <TASK> [ 15.582176] dump_stack_lvl+0x73/0xb0 [ 15.582206] print_report+0xd1/0x650 [ 15.582231] ? __virt_addr_valid+0x1db/0x2d0 [ 15.582256] ? strncpy_from_user+0x2e/0x1d0 [ 15.582280] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.582304] ? strncpy_from_user+0x2e/0x1d0 [ 15.582328] kasan_report+0x141/0x180 [ 15.582351] ? strncpy_from_user+0x2e/0x1d0 [ 15.582389] kasan_check_range+0x10c/0x1c0 [ 15.582414] __kasan_check_write+0x18/0x20 [ 15.582435] strncpy_from_user+0x2e/0x1d0 [ 15.582458] ? __kasan_check_read+0x15/0x20 [ 15.582480] copy_user_test_oob+0x760/0x10f0 [ 15.582507] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.582532] ? finish_task_switch.isra.0+0x153/0x700 [ 15.582557] ? __switch_to+0x47/0xf50 [ 15.582607] ? __schedule+0x10cc/0x2b60 [ 15.582631] ? __pfx_read_tsc+0x10/0x10 [ 15.582653] ? ktime_get_ts64+0x86/0x230 [ 15.582678] kunit_try_run_case+0x1a5/0x480 [ 15.582703] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.582726] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.582751] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.582775] ? __kthread_parkme+0x82/0x180 [ 15.582796] ? preempt_count_sub+0x50/0x80 [ 15.582819] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.582844] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.582867] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.582891] kthread+0x337/0x6f0 [ 15.582911] ? trace_preempt_on+0x20/0xc0 [ 15.582936] ? __pfx_kthread+0x10/0x10 [ 15.582958] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.582979] ? calculate_sigpending+0x7b/0xa0 [ 15.583003] ? __pfx_kthread+0x10/0x10 [ 15.583024] ret_from_fork+0x116/0x1d0 [ 15.583044] ? __pfx_kthread+0x10/0x10 [ 15.583065] ret_from_fork_asm+0x1a/0x30 [ 15.583096] </TASK> [ 15.583109] [ 15.590883] Allocated by task 302: [ 15.591029] kasan_save_stack+0x45/0x70 [ 15.591176] kasan_save_track+0x18/0x40 [ 15.591361] kasan_save_alloc_info+0x3b/0x50 [ 15.591627] __kasan_kmalloc+0xb7/0xc0 [ 15.591814] __kmalloc_noprof+0x1c9/0x500 [ 15.592027] kunit_kmalloc_array+0x25/0x60 [ 15.592175] copy_user_test_oob+0xab/0x10f0 [ 15.592454] kunit_try_run_case+0x1a5/0x480 [ 15.592782] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.593077] kthread+0x337/0x6f0 [ 15.593221] ret_from_fork+0x116/0x1d0 [ 15.593355] ret_from_fork_asm+0x1a/0x30 [ 15.593503] [ 15.593575] The buggy address belongs to the object at ffff88810258dd00 [ 15.593575] which belongs to the cache kmalloc-128 of size 128 [ 15.594184] The buggy address is located 0 bytes inside of [ 15.594184] allocated 120-byte region [ffff88810258dd00, ffff88810258dd78) [ 15.594795] [ 15.594942] The buggy address belongs to the physical page: [ 15.595209] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10258d [ 15.595539] flags: 0x200000000000000(node=0|zone=2) [ 15.595711] page_type: f5(slab) [ 15.595834] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.596091] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.596581] page dumped because: kasan: bad access detected [ 15.596841] [ 15.596937] Memory state around the buggy address: [ 15.597274] ffff88810258dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.597866] ffff88810258dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.598191] >ffff88810258dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.598450] ^ [ 15.598865] ffff88810258dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.599087] ffff88810258de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.599316] ==================================================================