Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.770420] ================================================================== [ 16.770505] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 16.770582] Write of size 16 at addr fff00000c585ee69 by task kunit_try_catch/178 [ 16.770649] [ 16.770685] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.770766] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.771088] Hardware name: linux,dummy-virt (DT) [ 16.771130] Call trace: [ 16.771275] show_stack+0x20/0x38 (C) [ 16.771519] dump_stack_lvl+0x8c/0xd0 [ 16.771624] print_report+0x118/0x5d0 [ 16.771724] kasan_report+0xdc/0x128 [ 16.771769] kasan_check_range+0x100/0x1a8 [ 16.771815] __asan_memset+0x34/0x78 [ 16.771856] kmalloc_oob_memset_16+0x150/0x2f8 [ 16.771917] kunit_try_run_case+0x170/0x3f0 [ 16.771979] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.772030] kthread+0x328/0x630 [ 16.772073] ret_from_fork+0x10/0x20 [ 16.772127] [ 16.772146] Allocated by task 178: [ 16.772393] kasan_save_stack+0x3c/0x68 [ 16.772577] kasan_save_track+0x20/0x40 [ 16.772646] kasan_save_alloc_info+0x40/0x58 [ 16.772811] __kasan_kmalloc+0xd4/0xd8 [ 16.772869] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.772907] kmalloc_oob_memset_16+0xb0/0x2f8 [ 16.772944] kunit_try_run_case+0x170/0x3f0 [ 16.773152] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.773248] kthread+0x328/0x630 [ 16.773316] ret_from_fork+0x10/0x20 [ 16.773361] [ 16.773441] The buggy address belongs to the object at fff00000c585ee00 [ 16.773441] which belongs to the cache kmalloc-128 of size 128 [ 16.773515] The buggy address is located 105 bytes inside of [ 16.773515] allocated 120-byte region [fff00000c585ee00, fff00000c585ee78) [ 16.773610] [ 16.773646] The buggy address belongs to the physical page: [ 16.773685] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10585e [ 16.773773] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.773860] page_type: f5(slab) [ 16.773915] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.774039] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.774097] page dumped because: kasan: bad access detected [ 16.774127] [ 16.774144] Memory state around the buggy address: [ 16.774197] fff00000c585ed00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.774239] fff00000c585ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.774280] >fff00000c585ee00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.774578] ^ [ 16.774684] fff00000c585ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.774758] fff00000c585ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.774861] ==================================================================
[ 13.139735] ================================================================== [ 13.140611] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 13.140888] Write of size 16 at addr ffff8881029ef769 by task kunit_try_catch/195 [ 13.141896] [ 13.142074] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.142512] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.142527] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.142549] Call Trace: [ 13.142562] <TASK> [ 13.142580] dump_stack_lvl+0x73/0xb0 [ 13.142615] print_report+0xd1/0x610 [ 13.142638] ? __virt_addr_valid+0x1db/0x2d0 [ 13.142663] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.142685] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.142713] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.142735] kasan_report+0x141/0x180 [ 13.142757] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.142784] kasan_check_range+0x10c/0x1c0 [ 13.142807] __asan_memset+0x27/0x50 [ 13.142826] kmalloc_oob_memset_16+0x166/0x330 [ 13.142849] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 13.142872] ? __schedule+0x10cc/0x2b60 [ 13.142895] ? __pfx_read_tsc+0x10/0x10 [ 13.142917] ? ktime_get_ts64+0x86/0x230 [ 13.142943] kunit_try_run_case+0x1a5/0x480 [ 13.142968] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.142991] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.143016] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.143039] ? __kthread_parkme+0x82/0x180 [ 13.143061] ? preempt_count_sub+0x50/0x80 [ 13.143085] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.143109] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.143133] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.143158] kthread+0x337/0x6f0 [ 13.143177] ? trace_preempt_on+0x20/0xc0 [ 13.143201] ? __pfx_kthread+0x10/0x10 [ 13.143222] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.143243] ? calculate_sigpending+0x7b/0xa0 [ 13.143279] ? __pfx_kthread+0x10/0x10 [ 13.143385] ret_from_fork+0x116/0x1d0 [ 13.143409] ? __pfx_kthread+0x10/0x10 [ 13.143430] ret_from_fork_asm+0x1a/0x30 [ 13.143462] </TASK> [ 13.143473] [ 13.152377] Allocated by task 195: [ 13.152518] kasan_save_stack+0x45/0x70 [ 13.152668] kasan_save_track+0x18/0x40 [ 13.152858] kasan_save_alloc_info+0x3b/0x50 [ 13.153132] __kasan_kmalloc+0xb7/0xc0 [ 13.153366] __kmalloc_cache_noprof+0x189/0x420 [ 13.153559] kmalloc_oob_memset_16+0xac/0x330 [ 13.153765] kunit_try_run_case+0x1a5/0x480 [ 13.153913] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.154119] kthread+0x337/0x6f0 [ 13.154452] ret_from_fork+0x116/0x1d0 [ 13.154646] ret_from_fork_asm+0x1a/0x30 [ 13.154893] [ 13.155037] The buggy address belongs to the object at ffff8881029ef700 [ 13.155037] which belongs to the cache kmalloc-128 of size 128 [ 13.155590] The buggy address is located 105 bytes inside of [ 13.155590] allocated 120-byte region [ffff8881029ef700, ffff8881029ef778) [ 13.156348] [ 13.156450] The buggy address belongs to the physical page: [ 13.156843] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ef [ 13.157183] flags: 0x200000000000000(node=0|zone=2) [ 13.157393] page_type: f5(slab) [ 13.157515] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.157745] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.158249] page dumped because: kasan: bad access detected [ 13.158515] [ 13.158749] Memory state around the buggy address: [ 13.158969] ffff8881029ef600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.159215] ffff8881029ef680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.159502] >ffff8881029ef700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.159821] ^ [ 13.160095] ffff8881029ef780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.160371] ffff8881029ef800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.160697] ==================================================================