Date
July 19, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.232822] ================================================================== [ 18.233033] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 18.233138] Write of size 121 at addr fff00000c790e600 by task kunit_try_catch/285 [ 18.233331] [ 18.233435] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.233543] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.233621] Hardware name: linux,dummy-virt (DT) [ 18.233656] Call trace: [ 18.233747] show_stack+0x20/0x38 (C) [ 18.233829] dump_stack_lvl+0x8c/0xd0 [ 18.234039] print_report+0x118/0x5d0 [ 18.234105] kasan_report+0xdc/0x128 [ 18.234195] kasan_check_range+0x100/0x1a8 [ 18.234249] __kasan_check_write+0x20/0x30 [ 18.234297] strncpy_from_user+0x3c/0x2a0 [ 18.234347] copy_user_test_oob+0x5c0/0xec8 [ 18.234533] kunit_try_run_case+0x170/0x3f0 [ 18.234629] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.234744] kthread+0x328/0x630 [ 18.234818] ret_from_fork+0x10/0x20 [ 18.235066] [ 18.235098] Allocated by task 285: [ 18.235143] kasan_save_stack+0x3c/0x68 [ 18.235188] kasan_save_track+0x20/0x40 [ 18.235238] kasan_save_alloc_info+0x40/0x58 [ 18.235281] __kasan_kmalloc+0xd4/0xd8 [ 18.235460] __kmalloc_noprof+0x198/0x4c8 [ 18.235518] kunit_kmalloc_array+0x34/0x88 [ 18.235557] copy_user_test_oob+0xac/0xec8 [ 18.235616] kunit_try_run_case+0x170/0x3f0 [ 18.235664] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.235983] kthread+0x328/0x630 [ 18.236098] ret_from_fork+0x10/0x20 [ 18.236199] [ 18.236274] The buggy address belongs to the object at fff00000c790e600 [ 18.236274] which belongs to the cache kmalloc-128 of size 128 [ 18.236426] The buggy address is located 0 bytes inside of [ 18.236426] allocated 120-byte region [fff00000c790e600, fff00000c790e678) [ 18.236598] [ 18.236670] The buggy address belongs to the physical page: [ 18.236725] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10790e [ 18.236781] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.236983] page_type: f5(slab) [ 18.237026] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.237113] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.237159] page dumped because: kasan: bad access detected [ 18.237282] [ 18.237361] Memory state around the buggy address: [ 18.237523] fff00000c790e500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.237854] fff00000c790e580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.238022] >fff00000c790e600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.238110] ^ [ 18.238448] fff00000c790e680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.238597] fff00000c790e700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.238699] ================================================================== [ 18.239372] ================================================================== [ 18.239424] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 18.239721] Write of size 1 at addr fff00000c790e678 by task kunit_try_catch/285 [ 18.239791] [ 18.239825] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.240025] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.240182] Hardware name: linux,dummy-virt (DT) [ 18.240216] Call trace: [ 18.240241] show_stack+0x20/0x38 (C) [ 18.240473] dump_stack_lvl+0x8c/0xd0 [ 18.240534] print_report+0x118/0x5d0 [ 18.240712] kasan_report+0xdc/0x128 [ 18.240895] __asan_report_store1_noabort+0x20/0x30 [ 18.240980] strncpy_from_user+0x270/0x2a0 [ 18.241192] copy_user_test_oob+0x5c0/0xec8 [ 18.241367] kunit_try_run_case+0x170/0x3f0 [ 18.241453] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.241640] kthread+0x328/0x630 [ 18.241755] ret_from_fork+0x10/0x20 [ 18.241929] [ 18.242048] Allocated by task 285: [ 18.242082] kasan_save_stack+0x3c/0x68 [ 18.242330] kasan_save_track+0x20/0x40 [ 18.242546] kasan_save_alloc_info+0x40/0x58 [ 18.242633] __kasan_kmalloc+0xd4/0xd8 [ 18.242729] __kmalloc_noprof+0x198/0x4c8 [ 18.243025] kunit_kmalloc_array+0x34/0x88 [ 18.243134] copy_user_test_oob+0xac/0xec8 [ 18.243242] kunit_try_run_case+0x170/0x3f0 [ 18.243286] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.243366] kthread+0x328/0x630 [ 18.243562] ret_from_fork+0x10/0x20 [ 18.243611] [ 18.243681] The buggy address belongs to the object at fff00000c790e600 [ 18.243681] which belongs to the cache kmalloc-128 of size 128 [ 18.243787] The buggy address is located 0 bytes to the right of [ 18.243787] allocated 120-byte region [fff00000c790e600, fff00000c790e678) [ 18.244103] [ 18.244218] The buggy address belongs to the physical page: [ 18.244323] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10790e [ 18.244406] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.244467] page_type: f5(slab) [ 18.244545] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.244601] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.244671] page dumped because: kasan: bad access detected [ 18.244720] [ 18.244741] Memory state around the buggy address: [ 18.244788] fff00000c790e500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.244835] fff00000c790e580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.244892] >fff00000c790e600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.244940] ^ [ 18.244986] fff00000c790e680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.245031] fff00000c790e700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.245081] ==================================================================
[ 16.075934] ================================================================== [ 16.076280] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 16.076653] Write of size 121 at addr ffff888102fd1e00 by task kunit_try_catch/303 [ 16.076993] [ 16.077110] CPU: 0 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.077151] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.077163] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.077184] Call Trace: [ 16.077197] <TASK> [ 16.077211] dump_stack_lvl+0x73/0xb0 [ 16.077238] print_report+0xd1/0x610 [ 16.077260] ? __virt_addr_valid+0x1db/0x2d0 [ 16.077283] ? strncpy_from_user+0x2e/0x1d0 [ 16.077306] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.077329] ? strncpy_from_user+0x2e/0x1d0 [ 16.077352] kasan_report+0x141/0x180 [ 16.077374] ? strncpy_from_user+0x2e/0x1d0 [ 16.077680] kasan_check_range+0x10c/0x1c0 [ 16.077707] __kasan_check_write+0x18/0x20 [ 16.077727] strncpy_from_user+0x2e/0x1d0 [ 16.077750] ? __kasan_check_read+0x15/0x20 [ 16.077772] copy_user_test_oob+0x760/0x10f0 [ 16.077800] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.077824] ? finish_task_switch.isra.0+0x153/0x700 [ 16.077846] ? __switch_to+0x47/0xf50 [ 16.077871] ? __schedule+0x10cc/0x2b60 [ 16.077893] ? __pfx_read_tsc+0x10/0x10 [ 16.077915] ? ktime_get_ts64+0x86/0x230 [ 16.077939] kunit_try_run_case+0x1a5/0x480 [ 16.077963] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.077986] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.078023] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.078047] ? __kthread_parkme+0x82/0x180 [ 16.078888] ? preempt_count_sub+0x50/0x80 [ 16.078917] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.078943] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.078967] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.078992] kthread+0x337/0x6f0 [ 16.079027] ? trace_preempt_on+0x20/0xc0 [ 16.079052] ? __pfx_kthread+0x10/0x10 [ 16.079074] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.079096] ? calculate_sigpending+0x7b/0xa0 [ 16.079119] ? __pfx_kthread+0x10/0x10 [ 16.079141] ret_from_fork+0x116/0x1d0 [ 16.079160] ? __pfx_kthread+0x10/0x10 [ 16.079180] ret_from_fork_asm+0x1a/0x30 [ 16.079210] </TASK> [ 16.079221] [ 16.092661] Allocated by task 303: [ 16.093056] kasan_save_stack+0x45/0x70 [ 16.093499] kasan_save_track+0x18/0x40 [ 16.093842] kasan_save_alloc_info+0x3b/0x50 [ 16.094229] __kasan_kmalloc+0xb7/0xc0 [ 16.094568] __kmalloc_noprof+0x1c9/0x500 [ 16.094707] kunit_kmalloc_array+0x25/0x60 [ 16.094845] copy_user_test_oob+0xab/0x10f0 [ 16.094987] kunit_try_run_case+0x1a5/0x480 [ 16.095138] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.095308] kthread+0x337/0x6f0 [ 16.095625] ret_from_fork+0x116/0x1d0 [ 16.096044] ret_from_fork_asm+0x1a/0x30 [ 16.096475] [ 16.096635] The buggy address belongs to the object at ffff888102fd1e00 [ 16.096635] which belongs to the cache kmalloc-128 of size 128 [ 16.097806] The buggy address is located 0 bytes inside of [ 16.097806] allocated 120-byte region [ffff888102fd1e00, ffff888102fd1e78) [ 16.098926] [ 16.099098] The buggy address belongs to the physical page: [ 16.099629] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102fd1 [ 16.100183] flags: 0x200000000000000(node=0|zone=2) [ 16.100345] page_type: f5(slab) [ 16.100500] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.101113] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.101419] page dumped because: kasan: bad access detected [ 16.102038] [ 16.102216] Memory state around the buggy address: [ 16.102584] ffff888102fd1d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.102804] ffff888102fd1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.103028] >ffff888102fd1e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.103241] ^ [ 16.103581] ffff888102fd1e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.104211] ffff888102fd1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.104907] ================================================================== [ 16.105909] ================================================================== [ 16.106650] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 16.107386] Write of size 1 at addr ffff888102fd1e78 by task kunit_try_catch/303 [ 16.108137] [ 16.108309] CPU: 0 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.108351] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.108363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.108385] Call Trace: [ 16.108399] <TASK> [ 16.108425] dump_stack_lvl+0x73/0xb0 [ 16.108454] print_report+0xd1/0x610 [ 16.108476] ? __virt_addr_valid+0x1db/0x2d0 [ 16.108511] ? strncpy_from_user+0x1a5/0x1d0 [ 16.108537] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.108560] ? strncpy_from_user+0x1a5/0x1d0 [ 16.108584] kasan_report+0x141/0x180 [ 16.108607] ? strncpy_from_user+0x1a5/0x1d0 [ 16.108636] __asan_report_store1_noabort+0x1b/0x30 [ 16.108661] strncpy_from_user+0x1a5/0x1d0 [ 16.108686] copy_user_test_oob+0x760/0x10f0 [ 16.108712] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.108735] ? finish_task_switch.isra.0+0x153/0x700 [ 16.108757] ? __switch_to+0x47/0xf50 [ 16.108783] ? __schedule+0x10cc/0x2b60 [ 16.108805] ? __pfx_read_tsc+0x10/0x10 [ 16.108828] ? ktime_get_ts64+0x86/0x230 [ 16.108852] kunit_try_run_case+0x1a5/0x480 [ 16.108876] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.108899] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.108923] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.108946] ? __kthread_parkme+0x82/0x180 [ 16.108966] ? preempt_count_sub+0x50/0x80 [ 16.108996] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.109029] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.109053] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.109076] kthread+0x337/0x6f0 [ 16.109096] ? trace_preempt_on+0x20/0xc0 [ 16.109119] ? __pfx_kthread+0x10/0x10 [ 16.109140] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.109162] ? calculate_sigpending+0x7b/0xa0 [ 16.109184] ? __pfx_kthread+0x10/0x10 [ 16.109206] ret_from_fork+0x116/0x1d0 [ 16.109224] ? __pfx_kthread+0x10/0x10 [ 16.109244] ret_from_fork_asm+0x1a/0x30 [ 16.109276] </TASK> [ 16.109287] [ 16.122070] Allocated by task 303: [ 16.122429] kasan_save_stack+0x45/0x70 [ 16.122711] kasan_save_track+0x18/0x40 [ 16.123097] kasan_save_alloc_info+0x3b/0x50 [ 16.123258] __kasan_kmalloc+0xb7/0xc0 [ 16.123531] __kmalloc_noprof+0x1c9/0x500 [ 16.123926] kunit_kmalloc_array+0x25/0x60 [ 16.124344] copy_user_test_oob+0xab/0x10f0 [ 16.124644] kunit_try_run_case+0x1a5/0x480 [ 16.124916] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.125138] kthread+0x337/0x6f0 [ 16.125261] ret_from_fork+0x116/0x1d0 [ 16.125415] ret_from_fork_asm+0x1a/0x30 [ 16.125782] [ 16.125962] The buggy address belongs to the object at ffff888102fd1e00 [ 16.125962] which belongs to the cache kmalloc-128 of size 128 [ 16.127111] The buggy address is located 0 bytes to the right of [ 16.127111] allocated 120-byte region [ffff888102fd1e00, ffff888102fd1e78) [ 16.128258] [ 16.128436] The buggy address belongs to the physical page: [ 16.128833] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102fd1 [ 16.129096] flags: 0x200000000000000(node=0|zone=2) [ 16.129259] page_type: f5(slab) [ 16.129379] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.129692] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.130037] page dumped because: kasan: bad access detected [ 16.130276] [ 16.130381] Memory state around the buggy address: [ 16.130597] ffff888102fd1d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.130844] ffff888102fd1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.131179] >ffff888102fd1e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.131441] ^ [ 16.131751] ffff888102fd1e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.132103] ffff888102fd1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.132391] ==================================================================