Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.558699] ================================================================== [ 19.558765] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 19.558822] Write of size 121 at addr fff00000c79f8300 by task kunit_try_catch/285 [ 19.558886] [ 19.558963] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.559190] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.559236] Hardware name: linux,dummy-virt (DT) [ 19.559274] Call trace: [ 19.559317] show_stack+0x20/0x38 (C) [ 19.559369] dump_stack_lvl+0x8c/0xd0 [ 19.559446] print_report+0x118/0x5d0 [ 19.559495] kasan_report+0xdc/0x128 [ 19.559542] kasan_check_range+0x100/0x1a8 [ 19.559882] __kasan_check_write+0x20/0x30 [ 19.559974] strncpy_from_user+0x3c/0x2a0 [ 19.560027] copy_user_test_oob+0x5c0/0xec8 [ 19.560094] kunit_try_run_case+0x170/0x3f0 [ 19.560422] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.560529] kthread+0x328/0x630 [ 19.560604] ret_from_fork+0x10/0x20 [ 19.560745] [ 19.560793] Allocated by task 285: [ 19.560879] kasan_save_stack+0x3c/0x68 [ 19.560936] kasan_save_track+0x20/0x40 [ 19.561045] kasan_save_alloc_info+0x40/0x58 [ 19.561110] __kasan_kmalloc+0xd4/0xd8 [ 19.561175] __kmalloc_noprof+0x198/0x4c8 [ 19.561312] kunit_kmalloc_array+0x34/0x88 [ 19.561390] copy_user_test_oob+0xac/0xec8 [ 19.561466] kunit_try_run_case+0x170/0x3f0 [ 19.561504] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.561549] kthread+0x328/0x630 [ 19.561606] ret_from_fork+0x10/0x20 [ 19.561642] [ 19.561664] The buggy address belongs to the object at fff00000c79f8300 [ 19.561664] which belongs to the cache kmalloc-128 of size 128 [ 19.561723] The buggy address is located 0 bytes inside of [ 19.561723] allocated 120-byte region [fff00000c79f8300, fff00000c79f8378) [ 19.561787] [ 19.561808] The buggy address belongs to the physical page: [ 19.561840] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1079f8 [ 19.561906] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.561954] page_type: f5(slab) [ 19.562119] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.562176] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.562227] page dumped because: kasan: bad access detected [ 19.562283] [ 19.562332] Memory state around the buggy address: [ 19.562378] fff00000c79f8200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.562423] fff00000c79f8280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.562491] >fff00000c79f8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.562546] ^ [ 19.562592] fff00000c79f8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.562636] fff00000c79f8400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.562677] ================================================================== [ 19.563605] ================================================================== [ 19.563837] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 19.563946] Write of size 1 at addr fff00000c79f8378 by task kunit_try_catch/285 [ 19.564119] [ 19.564293] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.564395] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.564502] Hardware name: linux,dummy-virt (DT) [ 19.564559] Call trace: [ 19.564583] show_stack+0x20/0x38 (C) [ 19.564634] dump_stack_lvl+0x8c/0xd0 [ 19.564704] print_report+0x118/0x5d0 [ 19.564752] kasan_report+0xdc/0x128 [ 19.564958] __asan_report_store1_noabort+0x20/0x30 [ 19.565114] strncpy_from_user+0x270/0x2a0 [ 19.565300] copy_user_test_oob+0x5c0/0xec8 [ 19.565412] kunit_try_run_case+0x170/0x3f0 [ 19.565806] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.565897] kthread+0x328/0x630 [ 19.566013] ret_from_fork+0x10/0x20 [ 19.566112] [ 19.566180] Allocated by task 285: [ 19.566299] kasan_save_stack+0x3c/0x68 [ 19.566358] kasan_save_track+0x20/0x40 [ 19.566423] kasan_save_alloc_info+0x40/0x58 [ 19.566467] __kasan_kmalloc+0xd4/0xd8 [ 19.566504] __kmalloc_noprof+0x198/0x4c8 [ 19.566838] kunit_kmalloc_array+0x34/0x88 [ 19.566915] copy_user_test_oob+0xac/0xec8 [ 19.567081] kunit_try_run_case+0x170/0x3f0 [ 19.567136] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.567198] kthread+0x328/0x630 [ 19.567631] ret_from_fork+0x10/0x20 [ 19.567669] [ 19.567691] The buggy address belongs to the object at fff00000c79f8300 [ 19.567691] which belongs to the cache kmalloc-128 of size 128 [ 19.567785] The buggy address is located 0 bytes to the right of [ 19.567785] allocated 120-byte region [fff00000c79f8300, fff00000c79f8378) [ 19.567851] [ 19.567882] The buggy address belongs to the physical page: [ 19.567914] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1079f8 [ 19.568121] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.568179] page_type: f5(slab) [ 19.568219] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.568501] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.568587] page dumped because: kasan: bad access detected [ 19.568700] [ 19.568761] Memory state around the buggy address: [ 19.568809] fff00000c79f8200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.568853] fff00000c79f8280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.568926] >fff00000c79f8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.568984] ^ [ 19.569109] fff00000c79f8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.569185] fff00000c79f8400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.569268] ==================================================================
[ 16.442698] ================================================================== [ 16.443023] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 16.443366] Write of size 121 at addr ffff888102f5e000 by task kunit_try_catch/302 [ 16.443713] [ 16.443833] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.443879] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.443891] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.443915] Call Trace: [ 16.443936] <TASK> [ 16.443956] dump_stack_lvl+0x73/0xb0 [ 16.443986] print_report+0xd1/0x610 [ 16.444010] ? __virt_addr_valid+0x1db/0x2d0 [ 16.444035] ? strncpy_from_user+0x2e/0x1d0 [ 16.444071] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.444095] ? strncpy_from_user+0x2e/0x1d0 [ 16.444118] kasan_report+0x141/0x180 [ 16.444141] ? strncpy_from_user+0x2e/0x1d0 [ 16.444171] kasan_check_range+0x10c/0x1c0 [ 16.444195] __kasan_check_write+0x18/0x20 [ 16.444215] strncpy_from_user+0x2e/0x1d0 [ 16.444238] ? __kasan_check_read+0x15/0x20 [ 16.444260] copy_user_test_oob+0x760/0x10f0 [ 16.444287] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.444310] ? finish_task_switch.isra.0+0x153/0x700 [ 16.444334] ? __switch_to+0x47/0xf50 [ 16.444362] ? __schedule+0x10cc/0x2b60 [ 16.444386] ? __pfx_read_tsc+0x10/0x10 [ 16.444408] ? ktime_get_ts64+0x86/0x230 [ 16.444433] kunit_try_run_case+0x1a5/0x480 [ 16.444459] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.444482] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.444508] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.444532] ? __kthread_parkme+0x82/0x180 [ 16.444554] ? preempt_count_sub+0x50/0x80 [ 16.444578] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.444614] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.444639] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.444664] kthread+0x337/0x6f0 [ 16.444684] ? trace_preempt_on+0x20/0xc0 [ 16.444709] ? __pfx_kthread+0x10/0x10 [ 16.444730] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.444752] ? calculate_sigpending+0x7b/0xa0 [ 16.444777] ? __pfx_kthread+0x10/0x10 [ 16.444799] ret_from_fork+0x116/0x1d0 [ 16.444818] ? __pfx_kthread+0x10/0x10 [ 16.444838] ret_from_fork_asm+0x1a/0x30 [ 16.444871] </TASK> [ 16.444882] [ 16.451979] Allocated by task 302: [ 16.452118] kasan_save_stack+0x45/0x70 [ 16.452276] kasan_save_track+0x18/0x40 [ 16.452472] kasan_save_alloc_info+0x3b/0x50 [ 16.452686] __kasan_kmalloc+0xb7/0xc0 [ 16.452877] __kmalloc_noprof+0x1c9/0x500 [ 16.453090] kunit_kmalloc_array+0x25/0x60 [ 16.453295] copy_user_test_oob+0xab/0x10f0 [ 16.453506] kunit_try_run_case+0x1a5/0x480 [ 16.453714] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.453976] kthread+0x337/0x6f0 [ 16.454172] ret_from_fork+0x116/0x1d0 [ 16.454372] ret_from_fork_asm+0x1a/0x30 [ 16.454573] [ 16.454670] The buggy address belongs to the object at ffff888102f5e000 [ 16.454670] which belongs to the cache kmalloc-128 of size 128 [ 16.455164] The buggy address is located 0 bytes inside of [ 16.455164] allocated 120-byte region [ffff888102f5e000, ffff888102f5e078) [ 16.455528] [ 16.455713] The buggy address belongs to the physical page: [ 16.455973] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f5e [ 16.456353] flags: 0x200000000000000(node=0|zone=2) [ 16.456604] page_type: f5(slab) [ 16.456778] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.457114] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.457405] page dumped because: kasan: bad access detected [ 16.457644] [ 16.457728] Memory state around the buggy address: [ 16.457887] ffff888102f5df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.458117] ffff888102f5df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.458340] >ffff888102f5e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.458555] ^ [ 16.458876] ffff888102f5e080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.459207] ffff888102f5e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.459589] ================================================================== [ 16.460250] ================================================================== [ 16.460604] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 16.460963] Write of size 1 at addr ffff888102f5e078 by task kunit_try_catch/302 [ 16.461280] [ 16.461380] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.461426] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.461439] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.461462] Call Trace: [ 16.461482] <TASK> [ 16.461503] dump_stack_lvl+0x73/0xb0 [ 16.461533] print_report+0xd1/0x610 [ 16.461556] ? __virt_addr_valid+0x1db/0x2d0 [ 16.461580] ? strncpy_from_user+0x1a5/0x1d0 [ 16.461612] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.461636] ? strncpy_from_user+0x1a5/0x1d0 [ 16.461662] kasan_report+0x141/0x180 [ 16.461684] ? strncpy_from_user+0x1a5/0x1d0 [ 16.461713] __asan_report_store1_noabort+0x1b/0x30 [ 16.461739] strncpy_from_user+0x1a5/0x1d0 [ 16.461765] copy_user_test_oob+0x760/0x10f0 [ 16.461793] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.461816] ? finish_task_switch.isra.0+0x153/0x700 [ 16.461840] ? __switch_to+0x47/0xf50 [ 16.461867] ? __schedule+0x10cc/0x2b60 [ 16.461892] ? __pfx_read_tsc+0x10/0x10 [ 16.461913] ? ktime_get_ts64+0x86/0x230 [ 16.461939] kunit_try_run_case+0x1a5/0x480 [ 16.461966] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.461989] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.462014] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.462039] ? __kthread_parkme+0x82/0x180 [ 16.462075] ? preempt_count_sub+0x50/0x80 [ 16.462100] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.462125] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.462149] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.462175] kthread+0x337/0x6f0 [ 16.462195] ? trace_preempt_on+0x20/0xc0 [ 16.462225] ? __pfx_kthread+0x10/0x10 [ 16.462247] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.462268] ? calculate_sigpending+0x7b/0xa0 [ 16.462293] ? __pfx_kthread+0x10/0x10 [ 16.462316] ret_from_fork+0x116/0x1d0 [ 16.462334] ? __pfx_kthread+0x10/0x10 [ 16.462354] ret_from_fork_asm+0x1a/0x30 [ 16.462389] </TASK> [ 16.462399] [ 16.469683] Allocated by task 302: [ 16.469813] kasan_save_stack+0x45/0x70 [ 16.469957] kasan_save_track+0x18/0x40 [ 16.470122] kasan_save_alloc_info+0x3b/0x50 [ 16.470339] __kasan_kmalloc+0xb7/0xc0 [ 16.470528] __kmalloc_noprof+0x1c9/0x500 [ 16.470776] kunit_kmalloc_array+0x25/0x60 [ 16.470934] copy_user_test_oob+0xab/0x10f0 [ 16.471131] kunit_try_run_case+0x1a5/0x480 [ 16.471339] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.471521] kthread+0x337/0x6f0 [ 16.471783] ret_from_fork+0x116/0x1d0 [ 16.471972] ret_from_fork_asm+0x1a/0x30 [ 16.472133] [ 16.472205] The buggy address belongs to the object at ffff888102f5e000 [ 16.472205] which belongs to the cache kmalloc-128 of size 128 [ 16.472566] The buggy address is located 0 bytes to the right of [ 16.472566] allocated 120-byte region [ffff888102f5e000, ffff888102f5e078) [ 16.473133] [ 16.473258] The buggy address belongs to the physical page: [ 16.473518] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f5e [ 16.473875] flags: 0x200000000000000(node=0|zone=2) [ 16.474041] page_type: f5(slab) [ 16.474175] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.474410] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.474748] page dumped because: kasan: bad access detected [ 16.475000] [ 16.475158] Memory state around the buggy address: [ 16.475381] ffff888102f5df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.475849] ffff888102f5df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.476089] >ffff888102f5e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.476305] ^ [ 16.476521] ffff888102f5e080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.476874] ffff888102f5e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.477204] ==================================================================