Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.819084] ================================================================== [ 19.819148] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 19.819744] Read of size 1 at addr fff00000c63e50c8 by task kunit_try_catch/207 [ 19.820487] [ 19.820538] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.820798] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.820862] Hardware name: linux,dummy-virt (DT) [ 19.820930] Call trace: [ 19.821032] show_stack+0x20/0x38 (C) [ 19.821089] dump_stack_lvl+0x8c/0xd0 [ 19.821587] print_report+0x118/0x608 [ 19.821808] kasan_report+0xdc/0x128 [ 19.821857] __asan_report_load1_noabort+0x20/0x30 [ 19.822441] kmem_cache_oob+0x344/0x430 [ 19.822767] kunit_try_run_case+0x170/0x3f0 [ 19.823203] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.823694] kthread+0x328/0x630 [ 19.824022] ret_from_fork+0x10/0x20 [ 19.824101] [ 19.824120] Allocated by task 207: [ 19.824502] kasan_save_stack+0x3c/0x68 [ 19.824559] kasan_save_track+0x20/0x40 [ 19.824925] kasan_save_alloc_info+0x40/0x58 [ 19.824969] __kasan_slab_alloc+0xa8/0xb0 [ 19.825528] kmem_cache_alloc_noprof+0x10c/0x398 [ 19.825701] kmem_cache_oob+0x12c/0x430 [ 19.825812] kunit_try_run_case+0x170/0x3f0 [ 19.826087] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.826387] kthread+0x328/0x630 [ 19.826439] ret_from_fork+0x10/0x20 [ 19.826787] [ 19.826814] The buggy address belongs to the object at fff00000c63e5000 [ 19.826814] which belongs to the cache test_cache of size 200 [ 19.827124] The buggy address is located 0 bytes to the right of [ 19.827124] allocated 200-byte region [fff00000c63e5000, fff00000c63e50c8) [ 19.827642] [ 19.827664] The buggy address belongs to the physical page: [ 19.827697] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063e5 [ 19.827796] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.827852] page_type: f5(slab) [ 19.827897] raw: 0bfffe0000000000 fff00000c63df000 dead000000000122 0000000000000000 [ 19.828114] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.828167] page dumped because: kasan: bad access detected [ 19.828604] [ 19.828628] Memory state around the buggy address: [ 19.828673] fff00000c63e4f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.828720] fff00000c63e5000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.828763] >fff00000c63e5080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.829245] ^ [ 19.829532] fff00000c63e5100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.829984] fff00000c63e5180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.830502] ==================================================================
[ 13.179627] ================================================================== [ 13.180305] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.180670] Read of size 1 at addr ffff888102b8f0c8 by task kunit_try_catch/225 [ 13.181075] [ 13.181187] CPU: 0 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.181233] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.181244] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.181266] Call Trace: [ 13.181279] <TASK> [ 13.181297] dump_stack_lvl+0x73/0xb0 [ 13.181331] print_report+0xd1/0x650 [ 13.181354] ? __virt_addr_valid+0x1db/0x2d0 [ 13.181379] ? kmem_cache_oob+0x402/0x530 [ 13.181402] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.181425] ? kmem_cache_oob+0x402/0x530 [ 13.181447] kasan_report+0x141/0x180 [ 13.181469] ? kmem_cache_oob+0x402/0x530 [ 13.181496] __asan_report_load1_noabort+0x18/0x20 [ 13.181521] kmem_cache_oob+0x402/0x530 [ 13.181542] ? trace_hardirqs_on+0x37/0xe0 [ 13.181567] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.181594] ? __kasan_check_write+0x18/0x20 [ 13.181626] ? queued_spin_lock_slowpath+0x116/0xb40 [ 13.181662] ? irqentry_exit+0x2a/0x60 [ 13.181686] ? trace_hardirqs_on+0x37/0xe0 [ 13.181715] ? __pfx_read_tsc+0x10/0x10 [ 13.181738] ? ktime_get_ts64+0x86/0x230 [ 13.181764] kunit_try_run_case+0x1a5/0x480 [ 13.181790] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.181815] ? queued_spin_lock_slowpath+0x116/0xb40 [ 13.181838] ? __kthread_parkme+0x82/0x180 [ 13.181861] ? preempt_count_sub+0x50/0x80 [ 13.181886] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.181910] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.181934] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.181960] kthread+0x337/0x6f0 [ 13.181987] ? trace_preempt_on+0x20/0xc0 [ 13.182009] ? __pfx_kthread+0x10/0x10 [ 13.182029] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.182050] ? calculate_sigpending+0x7b/0xa0 [ 13.182075] ? __pfx_kthread+0x10/0x10 [ 13.182096] ret_from_fork+0x116/0x1d0 [ 13.182114] ? __pfx_kthread+0x10/0x10 [ 13.182134] ret_from_fork_asm+0x1a/0x30 [ 13.182168] </TASK> [ 13.182178] [ 13.189808] Allocated by task 225: [ 13.190012] kasan_save_stack+0x45/0x70 [ 13.190200] kasan_save_track+0x18/0x40 [ 13.190380] kasan_save_alloc_info+0x3b/0x50 [ 13.190622] __kasan_slab_alloc+0x91/0xa0 [ 13.190764] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.190919] kmem_cache_oob+0x157/0x530 [ 13.191120] kunit_try_run_case+0x1a5/0x480 [ 13.191537] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.191773] kthread+0x337/0x6f0 [ 13.191937] ret_from_fork+0x116/0x1d0 [ 13.192112] ret_from_fork_asm+0x1a/0x30 [ 13.192251] [ 13.192321] The buggy address belongs to the object at ffff888102b8f000 [ 13.192321] which belongs to the cache test_cache of size 200 [ 13.192688] The buggy address is located 0 bytes to the right of [ 13.192688] allocated 200-byte region [ffff888102b8f000, ffff888102b8f0c8) [ 13.193230] [ 13.193327] The buggy address belongs to the physical page: [ 13.193819] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b8f [ 13.194281] flags: 0x200000000000000(node=0|zone=2) [ 13.194448] page_type: f5(slab) [ 13.194569] raw: 0200000000000000 ffff888101270dc0 dead000000000122 0000000000000000 [ 13.194810] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.195035] page dumped because: kasan: bad access detected [ 13.195293] [ 13.195384] Memory state around the buggy address: [ 13.195620] ffff888102b8ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.195946] ffff888102b8f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.196270] >ffff888102b8f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.196918] ^ [ 13.197091] ffff888102b8f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.197382] ffff888102b8f180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.197713] ==================================================================