Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.565063] ================================================================== [ 24.565145] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 24.565227] Write of size 121 at addr fff00000c641b000 by task kunit_try_catch/295 [ 24.565289] [ 24.565328] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 24.565432] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.565469] Hardware name: linux,dummy-virt (DT) [ 24.565507] Call trace: [ 24.565538] show_stack+0x20/0x38 (C) [ 24.565599] dump_stack_lvl+0x8c/0xd0 [ 24.565657] print_report+0x118/0x608 [ 24.565713] kasan_report+0xdc/0x128 [ 24.565769] kasan_check_range+0x100/0x1a8 [ 24.565826] __kasan_check_write+0x20/0x30 [ 24.565884] strncpy_from_user+0x3c/0x2a0 [ 24.565942] copy_user_test_oob+0x5c0/0xec8 [ 24.565996] kunit_try_run_case+0x170/0x3f0 [ 24.567635] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.567733] kthread+0x328/0x630 [ 24.567790] ret_from_fork+0x10/0x20 [ 24.567880] [ 24.567908] Allocated by task 295: [ 24.567945] kasan_save_stack+0x3c/0x68 [ 24.567998] kasan_save_track+0x20/0x40 [ 24.568060] kasan_save_alloc_info+0x40/0x58 [ 24.568108] __kasan_kmalloc+0xd4/0xd8 [ 24.568153] __kmalloc_noprof+0x198/0x4c8 [ 24.568231] kunit_kmalloc_array+0x34/0x88 [ 24.568317] copy_user_test_oob+0xac/0xec8 [ 24.568368] kunit_try_run_case+0x170/0x3f0 [ 24.568471] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.568526] kthread+0x328/0x630 [ 24.568584] ret_from_fork+0x10/0x20 [ 24.568630] [ 24.568656] The buggy address belongs to the object at fff00000c641b000 [ 24.568656] which belongs to the cache kmalloc-128 of size 128 [ 24.568726] The buggy address is located 0 bytes inside of [ 24.568726] allocated 120-byte region [fff00000c641b000, fff00000c641b078) [ 24.568801] [ 24.568826] The buggy address belongs to the physical page: [ 24.568903] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10641b [ 24.569011] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.569083] page_type: f5(slab) [ 24.569165] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 24.569229] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.569278] page dumped because: kasan: bad access detected [ 24.569317] [ 24.569340] Memory state around the buggy address: [ 24.569377] fff00000c641af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.569427] fff00000c641af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.569478] >fff00000c641b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.569521] ^ [ 24.569567] fff00000c641b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.569616] fff00000c641b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.569660] ================================================================== [ 24.570103] ================================================================== [ 24.570179] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 24.570250] Write of size 1 at addr fff00000c641b078 by task kunit_try_catch/295 [ 24.570346] [ 24.570400] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 24.570503] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.570541] Hardware name: linux,dummy-virt (DT) [ 24.570580] Call trace: [ 24.570609] show_stack+0x20/0x38 (C) [ 24.570666] dump_stack_lvl+0x8c/0xd0 [ 24.570721] print_report+0x118/0x608 [ 24.570775] kasan_report+0xdc/0x128 [ 24.570832] __asan_report_store1_noabort+0x20/0x30 [ 24.570913] strncpy_from_user+0x270/0x2a0 [ 24.570987] copy_user_test_oob+0x5c0/0xec8 [ 24.571093] kunit_try_run_case+0x170/0x3f0 [ 24.571209] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.571278] kthread+0x328/0x630 [ 24.571330] ret_from_fork+0x10/0x20 [ 24.571399] [ 24.571427] Allocated by task 295: [ 24.571464] kasan_save_stack+0x3c/0x68 [ 24.571563] kasan_save_track+0x20/0x40 [ 24.571630] kasan_save_alloc_info+0x40/0x58 [ 24.571681] __kasan_kmalloc+0xd4/0xd8 [ 24.571726] __kmalloc_noprof+0x198/0x4c8 [ 24.571771] kunit_kmalloc_array+0x34/0x88 [ 24.571817] copy_user_test_oob+0xac/0xec8 [ 24.571861] kunit_try_run_case+0x170/0x3f0 [ 24.571906] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.571958] kthread+0x328/0x630 [ 24.572015] ret_from_fork+0x10/0x20 [ 24.572126] [ 24.572180] The buggy address belongs to the object at fff00000c641b000 [ 24.572180] which belongs to the cache kmalloc-128 of size 128 [ 24.572274] The buggy address is located 0 bytes to the right of [ 24.572274] allocated 120-byte region [fff00000c641b000, fff00000c641b078) [ 24.572387] [ 24.572414] The buggy address belongs to the physical page: [ 24.572451] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10641b [ 24.572547] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.572620] page_type: f5(slab) [ 24.572682] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 24.572770] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.572864] page dumped because: kasan: bad access detected [ 24.572940] [ 24.572963] Memory state around the buggy address: [ 24.573002] fff00000c641af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.573065] fff00000c641af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.573138] >fff00000c641b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.573182] ^ [ 24.573229] fff00000c641b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.573279] fff00000c641b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.573323] ==================================================================
[ 15.123927] ================================================================== [ 15.124278] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 15.124835] Write of size 1 at addr ffff888101addf78 by task kunit_try_catch/311 [ 15.125125] [ 15.125226] CPU: 0 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 15.125273] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.125286] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.125308] Call Trace: [ 15.125322] <TASK> [ 15.125337] dump_stack_lvl+0x73/0xb0 [ 15.125363] print_report+0xd1/0x650 [ 15.125385] ? __virt_addr_valid+0x1db/0x2d0 [ 15.125407] ? strncpy_from_user+0x1a5/0x1d0 [ 15.125431] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.125458] ? strncpy_from_user+0x1a5/0x1d0 [ 15.125481] kasan_report+0x141/0x180 [ 15.125503] ? strncpy_from_user+0x1a5/0x1d0 [ 15.125531] __asan_report_store1_noabort+0x1b/0x30 [ 15.125556] strncpy_from_user+0x1a5/0x1d0 [ 15.125581] copy_user_test_oob+0x760/0x10f0 [ 15.125606] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.125628] ? finish_task_switch.isra.0+0x153/0x700 [ 15.125650] ? __switch_to+0x47/0xf50 [ 15.125674] ? __schedule+0x10cc/0x2b60 [ 15.125694] ? __pfx_read_tsc+0x10/0x10 [ 15.125715] ? ktime_get_ts64+0x86/0x230 [ 15.125740] kunit_try_run_case+0x1a5/0x480 [ 15.125765] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.125787] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.125810] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.125833] ? __kthread_parkme+0x82/0x180 [ 15.125853] ? preempt_count_sub+0x50/0x80 [ 15.125875] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.125898] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.125921] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.125945] kthread+0x337/0x6f0 [ 15.125964] ? trace_preempt_on+0x20/0xc0 [ 15.125986] ? __pfx_kthread+0x10/0x10 [ 15.126007] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.126028] ? calculate_sigpending+0x7b/0xa0 [ 15.126051] ? __pfx_kthread+0x10/0x10 [ 15.126073] ret_from_fork+0x116/0x1d0 [ 15.126091] ? __pfx_kthread+0x10/0x10 [ 15.126112] ret_from_fork_asm+0x1a/0x30 [ 15.126141] </TASK> [ 15.126153] [ 15.133016] Allocated by task 311: [ 15.133199] kasan_save_stack+0x45/0x70 [ 15.133404] kasan_save_track+0x18/0x40 [ 15.133567] kasan_save_alloc_info+0x3b/0x50 [ 15.133769] __kasan_kmalloc+0xb7/0xc0 [ 15.133942] __kmalloc_noprof+0x1c9/0x500 [ 15.134100] kunit_kmalloc_array+0x25/0x60 [ 15.134322] copy_user_test_oob+0xab/0x10f0 [ 15.134504] kunit_try_run_case+0x1a5/0x480 [ 15.134642] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.134885] kthread+0x337/0x6f0 [ 15.135045] ret_from_fork+0x116/0x1d0 [ 15.135214] ret_from_fork_asm+0x1a/0x30 [ 15.135396] [ 15.135491] The buggy address belongs to the object at ffff888101addf00 [ 15.135491] which belongs to the cache kmalloc-128 of size 128 [ 15.135934] The buggy address is located 0 bytes to the right of [ 15.135934] allocated 120-byte region [ffff888101addf00, ffff888101addf78) [ 15.136565] [ 15.136633] The buggy address belongs to the physical page: [ 15.136854] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add [ 15.137086] flags: 0x200000000000000(node=0|zone=2) [ 15.137250] page_type: f5(slab) [ 15.137364] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.137589] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.137816] page dumped because: kasan: bad access detected [ 15.138055] [ 15.138139] Memory state around the buggy address: [ 15.138360] ffff888101adde00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.138665] ffff888101adde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.138968] >ffff888101addf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.139418] ^ [ 15.139665] ffff888101addf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.139875] ffff888101ade000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.140082] ================================================================== [ 15.106567] ================================================================== [ 15.106823] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 15.107409] Write of size 121 at addr ffff888101addf00 by task kunit_try_catch/311 [ 15.107788] [ 15.107886] CPU: 0 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 15.107947] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.107960] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.107982] Call Trace: [ 15.107999] <TASK> [ 15.108015] dump_stack_lvl+0x73/0xb0 [ 15.108041] print_report+0xd1/0x650 [ 15.108063] ? __virt_addr_valid+0x1db/0x2d0 [ 15.108086] ? strncpy_from_user+0x2e/0x1d0 [ 15.108111] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.108138] ? strncpy_from_user+0x2e/0x1d0 [ 15.108161] kasan_report+0x141/0x180 [ 15.108183] ? strncpy_from_user+0x2e/0x1d0 [ 15.108222] kasan_check_range+0x10c/0x1c0 [ 15.108245] __kasan_check_write+0x18/0x20 [ 15.108268] strncpy_from_user+0x2e/0x1d0 [ 15.108294] copy_user_test_oob+0x760/0x10f0 [ 15.108319] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.108341] ? finish_task_switch.isra.0+0x153/0x700 [ 15.108363] ? __switch_to+0x47/0xf50 [ 15.108389] ? __schedule+0x10cc/0x2b60 [ 15.108410] ? __pfx_read_tsc+0x10/0x10 [ 15.108430] ? ktime_get_ts64+0x86/0x230 [ 15.108455] kunit_try_run_case+0x1a5/0x480 [ 15.108478] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.108500] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.108523] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.108545] ? __kthread_parkme+0x82/0x180 [ 15.108565] ? preempt_count_sub+0x50/0x80 [ 15.108588] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.108611] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.108634] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.108660] kthread+0x337/0x6f0 [ 15.108680] ? trace_preempt_on+0x20/0xc0 [ 15.108703] ? __pfx_kthread+0x10/0x10 [ 15.108724] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.108744] ? calculate_sigpending+0x7b/0xa0 [ 15.108768] ? __pfx_kthread+0x10/0x10 [ 15.108789] ret_from_fork+0x116/0x1d0 [ 15.108808] ? __pfx_kthread+0x10/0x10 [ 15.108829] ret_from_fork_asm+0x1a/0x30 [ 15.108858] </TASK> [ 15.108870] [ 15.115837] Allocated by task 311: [ 15.116103] kasan_save_stack+0x45/0x70 [ 15.116456] kasan_save_track+0x18/0x40 [ 15.116635] kasan_save_alloc_info+0x3b/0x50 [ 15.116782] __kasan_kmalloc+0xb7/0xc0 [ 15.116908] __kmalloc_noprof+0x1c9/0x500 [ 15.117041] kunit_kmalloc_array+0x25/0x60 [ 15.117232] copy_user_test_oob+0xab/0x10f0 [ 15.117434] kunit_try_run_case+0x1a5/0x480 [ 15.117636] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.117879] kthread+0x337/0x6f0 [ 15.118041] ret_from_fork+0x116/0x1d0 [ 15.118198] ret_from_fork_asm+0x1a/0x30 [ 15.118410] [ 15.118484] The buggy address belongs to the object at ffff888101addf00 [ 15.118484] which belongs to the cache kmalloc-128 of size 128 [ 15.118952] The buggy address is located 0 bytes inside of [ 15.118952] allocated 120-byte region [ffff888101addf00, ffff888101addf78) [ 15.119409] [ 15.119541] The buggy address belongs to the physical page: [ 15.119746] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add [ 15.119980] flags: 0x200000000000000(node=0|zone=2) [ 15.120136] page_type: f5(slab) [ 15.120260] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.120545] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.120870] page dumped because: kasan: bad access detected [ 15.121110] [ 15.121195] Memory state around the buggy address: [ 15.121563] ffff888101adde00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.121855] ffff888101adde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.122066] >ffff888101addf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.122542] ^ [ 15.122848] ffff888101addf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.123118] ffff888101ade000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.123439] ==================================================================