Date
July 4, 2025, 11:10 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 32.763566] ================================================================== [ 32.763702] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 32.763771] Write of size 121 at addr fff00000c5adb400 by task kunit_try_catch/318 [ 32.763870] [ 32.764001] CPU: 1 UID: 0 PID: 318 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT [ 32.764132] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.764173] Hardware name: linux,dummy-virt (DT) [ 32.764540] Call trace: [ 32.764775] show_stack+0x20/0x38 (C) [ 32.764840] dump_stack_lvl+0x8c/0xd0 [ 32.764892] print_report+0x118/0x608 [ 32.764965] kasan_report+0xdc/0x128 [ 32.765092] kasan_check_range+0x100/0x1a8 [ 32.765158] __kasan_check_write+0x20/0x30 [ 32.765381] strncpy_from_user+0x3c/0x2a0 [ 32.765624] copy_user_test_oob+0x5c0/0xec8 [ 32.765818] kunit_try_run_case+0x170/0x3f0 [ 32.765869] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.765937] kthread+0x328/0x630 [ 32.766097] ret_from_fork+0x10/0x20 [ 32.766438] [ 32.766465] Allocated by task 318: [ 32.766500] kasan_save_stack+0x3c/0x68 [ 32.766763] kasan_save_track+0x20/0x40 [ 32.766914] kasan_save_alloc_info+0x40/0x58 [ 32.766990] __kasan_kmalloc+0xd4/0xd8 [ 32.767035] __kmalloc_noprof+0x198/0x4c8 [ 32.767357] kunit_kmalloc_array+0x34/0x88 [ 32.767502] copy_user_test_oob+0xac/0xec8 [ 32.767619] kunit_try_run_case+0x170/0x3f0 [ 32.767686] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.767836] kthread+0x328/0x630 [ 32.767873] ret_from_fork+0x10/0x20 [ 32.767953] [ 32.768040] The buggy address belongs to the object at fff00000c5adb400 [ 32.768040] which belongs to the cache kmalloc-128 of size 128 [ 32.768135] The buggy address is located 0 bytes inside of [ 32.768135] allocated 120-byte region [fff00000c5adb400, fff00000c5adb478) [ 32.768202] [ 32.768226] The buggy address belongs to the physical page: [ 32.768261] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105adb [ 32.768329] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.768383] page_type: f5(slab) [ 32.768777] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.768842] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.769231] page dumped because: kasan: bad access detected [ 32.769277] [ 32.769298] Memory state around the buggy address: [ 32.769386] fff00000c5adb300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.769738] fff00000c5adb380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.769796] >fff00000c5adb400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.769907] ^ [ 32.770165] fff00000c5adb480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.770219] fff00000c5adb500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.770399] ================================================================== [ 32.771435] ================================================================== [ 32.771675] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 32.771860] Write of size 1 at addr fff00000c5adb478 by task kunit_try_catch/318 [ 32.771925] [ 32.771956] CPU: 1 UID: 0 PID: 318 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT [ 32.772053] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.772185] Hardware name: linux,dummy-virt (DT) [ 32.772353] Call trace: [ 32.772380] show_stack+0x20/0x38 (C) [ 32.772430] dump_stack_lvl+0x8c/0xd0 [ 32.772478] print_report+0x118/0x608 [ 32.772527] kasan_report+0xdc/0x128 [ 32.772582] __asan_report_store1_noabort+0x20/0x30 [ 32.772735] strncpy_from_user+0x270/0x2a0 [ 32.772831] copy_user_test_oob+0x5c0/0xec8 [ 32.773275] kunit_try_run_case+0x170/0x3f0 [ 32.773351] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.773863] kthread+0x328/0x630 [ 32.773943] ret_from_fork+0x10/0x20 [ 32.774046] [ 32.774088] Allocated by task 318: [ 32.774248] kasan_save_stack+0x3c/0x68 [ 32.774335] kasan_save_track+0x20/0x40 [ 32.774396] kasan_save_alloc_info+0x40/0x58 [ 32.774439] __kasan_kmalloc+0xd4/0xd8 [ 32.774480] __kmalloc_noprof+0x198/0x4c8 [ 32.774522] kunit_kmalloc_array+0x34/0x88 [ 32.774564] copy_user_test_oob+0xac/0xec8 [ 32.774606] kunit_try_run_case+0x170/0x3f0 [ 32.774648] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.774695] kthread+0x328/0x630 [ 32.774732] ret_from_fork+0x10/0x20 [ 32.774772] [ 32.774794] The buggy address belongs to the object at fff00000c5adb400 [ 32.774794] which belongs to the cache kmalloc-128 of size 128 [ 32.775473] The buggy address is located 0 bytes to the right of [ 32.775473] allocated 120-byte region [fff00000c5adb400, fff00000c5adb478) [ 32.775858] [ 32.775883] The buggy address belongs to the physical page: [ 32.776097] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105adb [ 32.776180] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.776344] page_type: f5(slab) [ 32.776448] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.776539] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.776581] page dumped because: kasan: bad access detected [ 32.776668] [ 32.776713] Memory state around the buggy address: [ 32.776746] fff00000c5adb300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.776801] fff00000c5adb380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.776909] >fff00000c5adb400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.776951] ^ [ 32.777515] fff00000c5adb480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.777781] fff00000c5adb500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.777837] ==================================================================
[ 29.580076] ================================================================== [ 29.580469] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 29.580823] Write of size 1 at addr ffff888106258978 by task kunit_try_catch/334 [ 29.581178] [ 29.581327] CPU: 1 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) [ 29.581382] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.581408] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.581434] Call Trace: [ 29.581456] <TASK> [ 29.581477] dump_stack_lvl+0x73/0xb0 [ 29.581507] print_report+0xd1/0x650 [ 29.581531] ? __virt_addr_valid+0x1db/0x2d0 [ 29.581557] ? strncpy_from_user+0x1a5/0x1d0 [ 29.581581] ? kasan_complete_mode_report_info+0x2a/0x200 [ 29.581609] ? strncpy_from_user+0x1a5/0x1d0 [ 29.581632] kasan_report+0x141/0x180 [ 29.581655] ? strncpy_from_user+0x1a5/0x1d0 [ 29.581683] __asan_report_store1_noabort+0x1b/0x30 [ 29.581710] strncpy_from_user+0x1a5/0x1d0 [ 29.581734] copy_user_test_oob+0x760/0x10f0 [ 29.581761] ? __pfx_copy_user_test_oob+0x10/0x10 [ 29.581784] ? finish_task_switch.isra.0+0x153/0x700 [ 29.581808] ? __switch_to+0x47/0xf50 [ 29.581836] ? __schedule+0x10cc/0x2b60 [ 29.581869] ? __pfx_read_tsc+0x10/0x10 [ 29.581893] ? ktime_get_ts64+0x86/0x230 [ 29.581919] kunit_try_run_case+0x1a5/0x480 [ 29.581947] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.581973] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.581998] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.582026] ? __kthread_parkme+0x82/0x180 [ 29.582048] ? preempt_count_sub+0x50/0x80 [ 29.582073] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.582100] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.582127] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.582154] kthread+0x337/0x6f0 [ 29.582176] ? trace_preempt_on+0x20/0xc0 [ 29.582226] ? __pfx_kthread+0x10/0x10 [ 29.582250] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.582277] ? calculate_sigpending+0x7b/0xa0 [ 29.582304] ? __pfx_kthread+0x10/0x10 [ 29.582327] ret_from_fork+0x116/0x1d0 [ 29.582349] ? __pfx_kthread+0x10/0x10 [ 29.582371] ret_from_fork_asm+0x1a/0x30 [ 29.582414] </TASK> [ 29.582428] [ 29.589401] Allocated by task 334: [ 29.589586] kasan_save_stack+0x45/0x70 [ 29.589786] kasan_save_track+0x18/0x40 [ 29.590022] kasan_save_alloc_info+0x3b/0x50 [ 29.590170] __kasan_kmalloc+0xb7/0xc0 [ 29.590366] __kmalloc_noprof+0x1c9/0x500 [ 29.590579] kunit_kmalloc_array+0x25/0x60 [ 29.590726] copy_user_test_oob+0xab/0x10f0 [ 29.590864] kunit_try_run_case+0x1a5/0x480 [ 29.591061] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.591321] kthread+0x337/0x6f0 [ 29.591481] ret_from_fork+0x116/0x1d0 [ 29.591608] ret_from_fork_asm+0x1a/0x30 [ 29.591740] [ 29.591831] The buggy address belongs to the object at ffff888106258900 [ 29.591831] which belongs to the cache kmalloc-128 of size 128 [ 29.592521] The buggy address is located 0 bytes to the right of [ 29.592521] allocated 120-byte region [ffff888106258900, ffff888106258978) [ 29.592871] [ 29.592938] The buggy address belongs to the physical page: [ 29.593103] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106258 [ 29.593814] flags: 0x200000000000000(node=0|zone=2) [ 29.594292] page_type: f5(slab) [ 29.594475] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 29.594820] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.595044] page dumped because: kasan: bad access detected [ 29.595309] [ 29.595435] Memory state around the buggy address: [ 29.595656] ffff888106258800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.596006] ffff888106258880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.596288] >ffff888106258900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.596591] ^ [ 29.596796] ffff888106258980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.597002] ffff888106258a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.597205] ================================================================== [ 29.560349] ================================================================== [ 29.560897] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 29.561267] Write of size 121 at addr ffff888106258900 by task kunit_try_catch/334 [ 29.561641] [ 29.561759] CPU: 1 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) [ 29.561847] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.561862] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.561889] Call Trace: [ 29.561912] <TASK> [ 29.561933] dump_stack_lvl+0x73/0xb0 [ 29.561995] print_report+0xd1/0x650 [ 29.562021] ? __virt_addr_valid+0x1db/0x2d0 [ 29.562048] ? strncpy_from_user+0x2e/0x1d0 [ 29.562071] ? kasan_complete_mode_report_info+0x2a/0x200 [ 29.562129] ? strncpy_from_user+0x2e/0x1d0 [ 29.562154] kasan_report+0x141/0x180 [ 29.562177] ? strncpy_from_user+0x2e/0x1d0 [ 29.562204] kasan_check_range+0x10c/0x1c0 [ 29.562230] __kasan_check_write+0x18/0x20 [ 29.562254] strncpy_from_user+0x2e/0x1d0 [ 29.562277] ? __kasan_check_read+0x15/0x20 [ 29.562303] copy_user_test_oob+0x760/0x10f0 [ 29.562329] ? __pfx_copy_user_test_oob+0x10/0x10 [ 29.562355] ? finish_task_switch.isra.0+0x153/0x700 [ 29.562378] ? __switch_to+0x47/0xf50 [ 29.562417] ? __schedule+0x10cc/0x2b60 [ 29.562444] ? __pfx_read_tsc+0x10/0x10 [ 29.562467] ? ktime_get_ts64+0x86/0x230 [ 29.562494] kunit_try_run_case+0x1a5/0x480 [ 29.562521] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.562547] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.562572] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.562598] ? __kthread_parkme+0x82/0x180 [ 29.562621] ? preempt_count_sub+0x50/0x80 [ 29.562646] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.562672] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.562698] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.562724] kthread+0x337/0x6f0 [ 29.562746] ? trace_preempt_on+0x20/0xc0 [ 29.562771] ? __pfx_kthread+0x10/0x10 [ 29.562794] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.562818] ? calculate_sigpending+0x7b/0xa0 [ 29.562844] ? __pfx_kthread+0x10/0x10 [ 29.562868] ret_from_fork+0x116/0x1d0 [ 29.562900] ? __pfx_kthread+0x10/0x10 [ 29.562923] ret_from_fork_asm+0x1a/0x30 [ 29.562991] </TASK> [ 29.563006] [ 29.570762] Allocated by task 334: [ 29.570933] kasan_save_stack+0x45/0x70 [ 29.571161] kasan_save_track+0x18/0x40 [ 29.571332] kasan_save_alloc_info+0x3b/0x50 [ 29.571571] __kasan_kmalloc+0xb7/0xc0 [ 29.571785] __kmalloc_noprof+0x1c9/0x500 [ 29.572060] kunit_kmalloc_array+0x25/0x60 [ 29.572269] copy_user_test_oob+0xab/0x10f0 [ 29.572505] kunit_try_run_case+0x1a5/0x480 [ 29.572716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.573008] kthread+0x337/0x6f0 [ 29.573208] ret_from_fork+0x116/0x1d0 [ 29.573419] ret_from_fork_asm+0x1a/0x30 [ 29.573616] [ 29.573712] The buggy address belongs to the object at ffff888106258900 [ 29.573712] which belongs to the cache kmalloc-128 of size 128 [ 29.574242] The buggy address is located 0 bytes inside of [ 29.574242] allocated 120-byte region [ffff888106258900, ffff888106258978) [ 29.574707] [ 29.574780] The buggy address belongs to the physical page: [ 29.575139] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106258 [ 29.575518] flags: 0x200000000000000(node=0|zone=2) [ 29.575761] page_type: f5(slab) [ 29.575880] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 29.576138] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.576602] page dumped because: kasan: bad access detected [ 29.576963] [ 29.577059] Memory state around the buggy address: [ 29.577310] ffff888106258800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.577673] ffff888106258880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.577912] >ffff888106258900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.578260] ^ [ 29.578631] ffff888106258980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.578972] ffff888106258a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.579304] ==================================================================