Date
June 26, 2025, 11:12 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-x86_64 |
[ 27.068756] ================================================================== [ 27.077790] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 27.085079] Write of size 128 at addr ffff000801ed6400 by task kunit_try_catch/219 [ 27.092627] [ 27.094116] CPU: 7 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT [ 27.094171] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.094186] Hardware name: WinLink E850-96 board (DT) [ 27.094210] Call trace: [ 27.094225] show_stack+0x20/0x38 (C) [ 27.094259] dump_stack_lvl+0x8c/0xd0 [ 27.094298] print_report+0x118/0x608 [ 27.094329] kasan_report+0xdc/0x128 [ 27.094360] kasan_check_range+0x100/0x1a8 [ 27.094390] __asan_memset+0x34/0x78 [ 27.094422] kmalloc_oob_in_memset+0x144/0x2d0 [ 27.094456] kunit_try_run_case+0x170/0x3f0 [ 27.094493] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.094532] kthread+0x328/0x630 [ 27.094568] ret_from_fork+0x10/0x20 [ 27.094604] [ 27.160075] Allocated by task 219: [ 27.163463] kasan_save_stack+0x3c/0x68 [ 27.167278] kasan_save_track+0x20/0x40 [ 27.171098] kasan_save_alloc_info+0x40/0x58 [ 27.175351] __kasan_kmalloc+0xd4/0xd8 [ 27.179085] __kmalloc_cache_noprof+0x16c/0x3c0 [ 27.183598] kmalloc_oob_in_memset+0xb0/0x2d0 [ 27.187938] kunit_try_run_case+0x170/0x3f0 [ 27.192105] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.197573] kthread+0x328/0x630 [ 27.200785] ret_from_fork+0x10/0x20 [ 27.204344] [ 27.205821] The buggy address belongs to the object at ffff000801ed6400 [ 27.205821] which belongs to the cache kmalloc-128 of size 128 [ 27.218322] The buggy address is located 0 bytes inside of [ 27.218322] allocated 120-byte region [ffff000801ed6400, ffff000801ed6478) [ 27.230733] [ 27.232211] The buggy address belongs to the physical page: [ 27.237769] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881ed6 [ 27.245753] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 27.253390] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 27.260336] page_type: f5(slab) [ 27.263474] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 27.271190] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 27.278917] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 27.286728] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 27.294541] head: 0bfffe0000000001 fffffdffe007b581 00000000ffffffff 00000000ffffffff [ 27.302353] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 27.310158] page dumped because: kasan: bad access detected [ 27.315715] [ 27.317191] Memory state around the buggy address: [ 27.321973] ffff000801ed6300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.329172] ffff000801ed6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.336379] >ffff000801ed6400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.343578] ^ [ 27.350702] ffff000801ed6480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.357904] ffff000801ed6500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.365107] ==================================================================
[ 10.931666] ================================================================== [ 10.932184] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 10.932442] Write of size 128 at addr ffff8881029f9000 by task kunit_try_catch/189 [ 10.933483] [ 10.933893] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT(voluntary) [ 10.933959] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.933972] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.933995] Call Trace: [ 10.934010] <TASK> [ 10.934028] dump_stack_lvl+0x73/0xb0 [ 10.934058] print_report+0xd1/0x650 [ 10.934082] ? __virt_addr_valid+0x1db/0x2d0 [ 10.934105] ? kmalloc_oob_in_memset+0x15f/0x320 [ 10.934127] ? kasan_complete_mode_report_info+0x2a/0x200 [ 10.934149] ? kmalloc_oob_in_memset+0x15f/0x320 [ 10.934171] kasan_report+0x141/0x180 [ 10.934193] ? kmalloc_oob_in_memset+0x15f/0x320 [ 10.934220] kasan_check_range+0x10c/0x1c0 [ 10.934239] __asan_memset+0x27/0x50 [ 10.934259] kmalloc_oob_in_memset+0x15f/0x320 [ 10.934281] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 10.934303] ? __schedule+0x10cc/0x2b60 [ 10.934327] ? __pfx_read_tsc+0x10/0x10 [ 10.934347] ? ktime_get_ts64+0x86/0x230 [ 10.934372] kunit_try_run_case+0x1a5/0x480 [ 10.934398] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.934419] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.934443] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.934466] ? __kthread_parkme+0x82/0x180 [ 10.934488] ? preempt_count_sub+0x50/0x80 [ 10.934513] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.934536] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.934748] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.934777] kthread+0x337/0x6f0 [ 10.934795] ? trace_preempt_on+0x20/0xc0 [ 10.934855] ? __pfx_kthread+0x10/0x10 [ 10.934875] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.934897] ? calculate_sigpending+0x7b/0xa0 [ 10.934928] ? __pfx_kthread+0x10/0x10 [ 10.934946] ret_from_fork+0x41/0x80 [ 10.934968] ? __pfx_kthread+0x10/0x10 [ 10.934986] ret_from_fork_asm+0x1a/0x30 [ 10.935016] </TASK> [ 10.935028] [ 10.947569] Allocated by task 189: [ 10.948164] kasan_save_stack+0x45/0x70 [ 10.948356] kasan_save_track+0x18/0x40 [ 10.948549] kasan_save_alloc_info+0x3b/0x50 [ 10.948723] __kasan_kmalloc+0xb7/0xc0 [ 10.948986] __kmalloc_cache_noprof+0x189/0x420 [ 10.949184] kmalloc_oob_in_memset+0xac/0x320 [ 10.949374] kunit_try_run_case+0x1a5/0x480 [ 10.949572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.949749] kthread+0x337/0x6f0 [ 10.950040] ret_from_fork+0x41/0x80 [ 10.950244] ret_from_fork_asm+0x1a/0x30 [ 10.950432] [ 10.950509] The buggy address belongs to the object at ffff8881029f9000 [ 10.950509] which belongs to the cache kmalloc-128 of size 128 [ 10.951019] The buggy address is located 0 bytes inside of [ 10.951019] allocated 120-byte region [ffff8881029f9000, ffff8881029f9078) [ 10.951708] [ 10.951805] The buggy address belongs to the physical page: [ 10.952018] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029f9 [ 10.952386] flags: 0x200000000000000(node=0|zone=2) [ 10.953095] page_type: f5(slab) [ 10.953271] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 10.953536] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 10.953986] page dumped because: kasan: bad access detected [ 10.954235] [ 10.954315] Memory state around the buggy address: [ 10.954515] ffff8881029f8f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.954929] ffff8881029f8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.955231] >ffff8881029f9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 10.955517] ^ [ 10.955820] ffff8881029f9080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.956089] ffff8881029f9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.956350] ==================================================================