Date
May 15, 2025, 10:38 a.m.
Environment | |
---|---|
e850-96 |
[ 28.008063] ================================================================== [ 28.017624] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 28.024825] Write of size 8 at addr ffff000801f1c371 by task kunit_try_catch/221 [ 28.032201] [ 28.033688] CPU: 7 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 28.033743] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.033758] Hardware name: WinLink E850-96 board (DT) [ 28.033779] Call trace: [ 28.033794] show_stack+0x20/0x38 (C) [ 28.033831] dump_stack_lvl+0x8c/0xd0 [ 28.033866] print_report+0x118/0x608 [ 28.033899] kasan_report+0xdc/0x128 [ 28.033929] kasan_check_range+0x100/0x1a8 [ 28.033964] __asan_memset+0x34/0x78 [ 28.033998] kmalloc_oob_memset_8+0x150/0x2f8 [ 28.034026] kunit_try_run_case+0x170/0x3f0 [ 28.034056] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.034091] kthread+0x328/0x630 [ 28.034126] ret_from_fork+0x10/0x20 [ 28.034158] [ 28.100777] Allocated by task 221: [ 28.104165] kasan_save_stack+0x3c/0x68 [ 28.107981] kasan_save_track+0x20/0x40 [ 28.111801] kasan_save_alloc_info+0x40/0x58 [ 28.116054] __kasan_kmalloc+0xd4/0xd8 [ 28.119786] __kmalloc_cache_noprof+0x15c/0x3c0 [ 28.124300] kmalloc_oob_memset_8+0xb0/0x2f8 [ 28.128554] kunit_try_run_case+0x170/0x3f0 [ 28.132720] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.138189] kthread+0x328/0x630 [ 28.141401] ret_from_fork+0x10/0x20 [ 28.144960] [ 28.146436] The buggy address belongs to the object at ffff000801f1c300 [ 28.146436] which belongs to the cache kmalloc-128 of size 128 [ 28.158938] The buggy address is located 113 bytes inside of [ 28.158938] allocated 120-byte region [ffff000801f1c300, ffff000801f1c378) [ 28.171522] [ 28.173001] The buggy address belongs to the physical page: [ 28.178557] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881f1c [ 28.186541] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 28.194179] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 28.201123] page_type: f5(slab) [ 28.204261] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 28.211979] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 28.219706] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 28.227517] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 28.235330] head: 0bfffe0000000001 fffffdffe007c701 00000000ffffffff 00000000ffffffff [ 28.243142] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 28.250949] page dumped because: kasan: bad access detected [ 28.256503] [ 28.257979] Memory state around the buggy address: [ 28.262758] ffff000801f1c200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.269962] ffff000801f1c280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.277166] >ffff000801f1c300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 28.284367] ^ [ 28.291489] ffff000801f1c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.298695] ffff000801f1c400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.305896] ==================================================================