Date
May 15, 2025, 10:38 a.m.
Environment | |
---|---|
e850-96 |
[ 20.432603] ================================================================== [ 20.442304] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488 [ 20.450372] Write of size 1 at addr ffff000801eaa178 by task kunit_try_catch/187 [ 20.457750] [ 20.459236] CPU: 5 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 20.459292] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.459308] Hardware name: WinLink E850-96 board (DT) [ 20.459329] Call trace: [ 20.459343] show_stack+0x20/0x38 (C) [ 20.459382] dump_stack_lvl+0x8c/0xd0 [ 20.459417] print_report+0x118/0x608 [ 20.459451] kasan_report+0xdc/0x128 [ 20.459481] __asan_report_store1_noabort+0x20/0x30 [ 20.459518] kmalloc_track_caller_oob_right+0x40c/0x488 [ 20.459551] kunit_try_run_case+0x170/0x3f0 [ 20.459583] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.459616] kthread+0x328/0x630 [ 20.459652] ret_from_fork+0x10/0x20 [ 20.459684] [ 20.524415] Allocated by task 187: [ 20.527802] kasan_save_stack+0x3c/0x68 [ 20.531619] kasan_save_track+0x20/0x40 [ 20.535438] kasan_save_alloc_info+0x40/0x58 [ 20.539692] __kasan_kmalloc+0xd4/0xd8 [ 20.543425] __kmalloc_node_track_caller_noprof+0x18c/0x4c0 [ 20.548980] kmalloc_track_caller_oob_right+0xa8/0x488 [ 20.554101] kunit_try_run_case+0x170/0x3f0 [ 20.558268] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.563737] kthread+0x328/0x630 [ 20.566948] ret_from_fork+0x10/0x20 [ 20.570507] [ 20.571985] The buggy address belongs to the object at ffff000801eaa100 [ 20.571985] which belongs to the cache kmalloc-128 of size 128 [ 20.584487] The buggy address is located 0 bytes to the right of [ 20.584487] allocated 120-byte region [ffff000801eaa100, ffff000801eaa178) [ 20.597416] [ 20.598896] The buggy address belongs to the physical page: [ 20.604452] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881eaa [ 20.612436] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.620075] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 20.627018] page_type: f5(slab) [ 20.630156] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 20.637874] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 20.645601] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 20.653412] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 20.661225] head: 0bfffe0000000001 fffffdffe007aa81 00000000ffffffff 00000000ffffffff [ 20.669037] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 20.676843] page dumped because: kasan: bad access detected [ 20.682398] [ 20.683873] Memory state around the buggy address: [ 20.688656] ffff000801eaa000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.695856] ffff000801eaa080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.703061] >ffff000801eaa100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.710262] ^ [ 20.717384] ffff000801eaa180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.724590] ffff000801eaa200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.731792] ==================================================================