Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.046404] ================================================================== [ 33.046517] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 33.046673] Write of size 16 at addr fff00000c63f7369 by task kunit_try_catch/190 [ 33.047696] [ 33.047818] CPU: 1 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 33.048128] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.048194] Hardware name: linux,dummy-virt (DT) [ 33.048269] Call trace: [ 33.048386] show_stack+0x20/0x38 (C) [ 33.048506] dump_stack_lvl+0x8c/0xd0 [ 33.048618] print_report+0x118/0x608 [ 33.048728] kasan_report+0xdc/0x128 [ 33.048869] kasan_check_range+0x100/0x1a8 [ 33.048989] __asan_memset+0x34/0x78 [ 33.049113] kmalloc_oob_memset_16+0x150/0x2f8 [ 33.049228] kunit_try_run_case+0x170/0x3f0 [ 33.049347] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.049469] kthread+0x328/0x630 [ 33.049582] ret_from_fork+0x10/0x20 [ 33.049907] [ 33.050444] Allocated by task 190: [ 33.050521] kasan_save_stack+0x3c/0x68 [ 33.050814] kasan_save_track+0x20/0x40 [ 33.050931] kasan_save_alloc_info+0x40/0x58 [ 33.051631] __kasan_kmalloc+0xd4/0xd8 [ 33.052322] __kmalloc_cache_noprof+0x16c/0x3c0 [ 33.052431] kmalloc_oob_memset_16+0xb0/0x2f8 [ 33.052526] kunit_try_run_case+0x170/0x3f0 [ 33.052616] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.052716] kthread+0x328/0x630 [ 33.052849] ret_from_fork+0x10/0x20 [ 33.053378] [ 33.053514] The buggy address belongs to the object at fff00000c63f7300 [ 33.053514] which belongs to the cache kmalloc-128 of size 128 [ 33.053931] The buggy address is located 105 bytes inside of [ 33.053931] allocated 120-byte region [fff00000c63f7300, fff00000c63f7378) [ 33.054298] [ 33.054500] The buggy address belongs to the physical page: [ 33.054600] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f7 [ 33.054770] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.054939] page_type: f5(slab) [ 33.055148] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 33.055405] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 33.056112] page dumped because: kasan: bad access detected [ 33.057315] [ 33.057380] Memory state around the buggy address: [ 33.057456] fff00000c63f7200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.057728] fff00000c63f7280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.058260] >fff00000c63f7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 33.058676] ^ [ 33.058818] fff00000c63f7380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.058948] fff00000c63f7400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.059066] ==================================================================
[ 21.941798] ================================================================== [ 21.942219] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 21.942394] Write of size 16 at addr ffff8881023ac669 by task kunit_try_catch/207 [ 21.942660] [ 21.942828] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 21.942899] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.942912] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.942931] Call Trace: [ 21.942945] <TASK> [ 21.942959] dump_stack_lvl+0x73/0xb0 [ 21.942986] print_report+0xd1/0x650 [ 21.943004] ? __virt_addr_valid+0x1db/0x2d0 [ 21.943030] ? kmalloc_oob_memset_16+0x166/0x330 [ 21.943061] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.943100] ? kmalloc_oob_memset_16+0x166/0x330 [ 21.943136] kasan_report+0x141/0x180 [ 21.943173] ? kmalloc_oob_memset_16+0x166/0x330 [ 21.943218] kasan_check_range+0x10c/0x1c0 [ 21.943245] __asan_memset+0x27/0x50 [ 21.943266] kmalloc_oob_memset_16+0x166/0x330 [ 21.943284] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 21.943304] ? __schedule+0x10cc/0x2b60 [ 21.943322] ? __pfx_read_tsc+0x10/0x10 [ 21.943341] ? ktime_get_ts64+0x86/0x230 [ 21.943363] kunit_try_run_case+0x1a5/0x480 [ 21.943402] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.943423] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.943442] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.943462] ? __kthread_parkme+0x82/0x180 [ 21.943479] ? preempt_count_sub+0x50/0x80 [ 21.943500] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.943520] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.943540] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.943560] kthread+0x337/0x6f0 [ 21.943576] ? trace_preempt_on+0x20/0xc0 [ 21.943596] ? __pfx_kthread+0x10/0x10 [ 21.943613] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.943631] ? calculate_sigpending+0x7b/0xa0 [ 21.943651] ? __pfx_kthread+0x10/0x10 [ 21.943670] ret_from_fork+0x116/0x1d0 [ 21.943686] ? __pfx_kthread+0x10/0x10 [ 21.943703] ret_from_fork_asm+0x1a/0x30 [ 21.943730] </TASK> [ 21.943740] [ 21.954270] Allocated by task 207: [ 21.954674] kasan_save_stack+0x45/0x70 [ 21.954965] kasan_save_track+0x18/0x40 [ 21.955512] kasan_save_alloc_info+0x3b/0x50 [ 21.955733] __kasan_kmalloc+0xb7/0xc0 [ 21.955854] __kmalloc_cache_noprof+0x189/0x420 [ 21.956441] kmalloc_oob_memset_16+0xac/0x330 [ 21.956636] kunit_try_run_case+0x1a5/0x480 [ 21.957114] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.957460] kthread+0x337/0x6f0 [ 21.957715] ret_from_fork+0x116/0x1d0 [ 21.957833] ret_from_fork_asm+0x1a/0x30 [ 21.958271] [ 21.958395] The buggy address belongs to the object at ffff8881023ac600 [ 21.958395] which belongs to the cache kmalloc-128 of size 128 [ 21.958808] The buggy address is located 105 bytes inside of [ 21.958808] allocated 120-byte region [ffff8881023ac600, ffff8881023ac678) [ 21.959585] [ 21.959675] The buggy address belongs to the physical page: [ 21.960365] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1023ac [ 21.961072] flags: 0x200000000000000(node=0|zone=2) [ 21.961347] page_type: f5(slab) [ 21.961479] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 21.961837] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.962537] page dumped because: kasan: bad access detected [ 21.962757] [ 21.963115] Memory state around the buggy address: [ 21.963437] ffff8881023ac500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.963744] ffff8881023ac580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.964374] >ffff8881023ac600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.964784] ^ [ 21.965129] ffff8881023ac680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.965448] ffff8881023ac700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.965736] ==================================================================