Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.963108] ================================================================== [ 15.963387] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 15.963471] Write of size 4 at addr fff00000c63f3675 by task kunit_try_catch/174 [ 15.963527] [ 15.963589] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 15.963791] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.964026] Hardware name: linux,dummy-virt (DT) [ 15.964071] Call trace: [ 15.964217] show_stack+0x20/0x38 (C) [ 15.964437] dump_stack_lvl+0x8c/0xd0 [ 15.964508] print_report+0x118/0x608 [ 15.964574] kasan_report+0xdc/0x128 [ 15.964619] kasan_check_range+0x100/0x1a8 [ 15.964674] __asan_memset+0x34/0x78 [ 15.964738] kmalloc_oob_memset_4+0x150/0x300 [ 15.964795] kunit_try_run_case+0x170/0x3f0 [ 15.964853] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.964906] kthread+0x328/0x630 [ 15.965028] ret_from_fork+0x10/0x20 [ 15.965089] [ 15.965231] Allocated by task 174: [ 15.965267] kasan_save_stack+0x3c/0x68 [ 15.965350] kasan_save_track+0x20/0x40 [ 15.965396] kasan_save_alloc_info+0x40/0x58 [ 15.965442] __kasan_kmalloc+0xd4/0xd8 [ 15.965479] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.965530] kmalloc_oob_memset_4+0xb0/0x300 [ 15.965598] kunit_try_run_case+0x170/0x3f0 [ 15.965645] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.965690] kthread+0x328/0x630 [ 15.965739] ret_from_fork+0x10/0x20 [ 15.965875] [ 15.965923] The buggy address belongs to the object at fff00000c63f3600 [ 15.965923] which belongs to the cache kmalloc-128 of size 128 [ 15.966045] The buggy address is located 117 bytes inside of [ 15.966045] allocated 120-byte region [fff00000c63f3600, fff00000c63f3678) [ 15.966135] [ 15.966157] The buggy address belongs to the physical page: [ 15.966215] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f3 [ 15.966269] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.966320] page_type: f5(slab) [ 15.966361] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.966409] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.966448] page dumped because: kasan: bad access detected [ 15.966477] [ 15.966495] Memory state around the buggy address: [ 15.966527] fff00000c63f3500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.966568] fff00000c63f3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.966608] >fff00000c63f3600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.966645] ^ [ 15.966683] fff00000c63f3680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.967067] fff00000c63f3700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.967163] ==================================================================
[ 12.793523] ================================================================== [ 12.794065] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 12.794672] Write of size 4 at addr ffff8881027a3575 by task kunit_try_catch/191 [ 12.794977] [ 12.795071] CPU: 0 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.795112] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.795123] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.795142] Call Trace: [ 12.795155] <TASK> [ 12.795169] dump_stack_lvl+0x73/0xb0 [ 12.795198] print_report+0xd1/0x650 [ 12.795219] ? __virt_addr_valid+0x1db/0x2d0 [ 12.795241] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.795262] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.795285] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.795307] kasan_report+0x141/0x180 [ 12.795328] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.795355] kasan_check_range+0x10c/0x1c0 [ 12.795600] __asan_memset+0x27/0x50 [ 12.795623] kmalloc_oob_memset_4+0x166/0x330 [ 12.795646] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.795671] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.795697] kunit_try_run_case+0x1a5/0x480 [ 12.795721] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.795743] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.795767] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.795791] ? __kthread_parkme+0x82/0x180 [ 12.795810] ? preempt_count_sub+0x50/0x80 [ 12.795834] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.795858] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.795882] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.795907] kthread+0x337/0x6f0 [ 12.795925] ? trace_preempt_on+0x20/0xc0 [ 12.795948] ? __pfx_kthread+0x10/0x10 [ 12.795968] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.795989] ? calculate_sigpending+0x7b/0xa0 [ 12.796012] ? __pfx_kthread+0x10/0x10 [ 12.796033] ret_from_fork+0x116/0x1d0 [ 12.796051] ? __pfx_kthread+0x10/0x10 [ 12.796071] ret_from_fork_asm+0x1a/0x30 [ 12.796102] </TASK> [ 12.796111] [ 12.803304] Allocated by task 191: [ 12.803725] kasan_save_stack+0x45/0x70 [ 12.803898] kasan_save_track+0x18/0x40 [ 12.804035] kasan_save_alloc_info+0x3b/0x50 [ 12.804205] __kasan_kmalloc+0xb7/0xc0 [ 12.804447] __kmalloc_cache_noprof+0x189/0x420 [ 12.804676] kmalloc_oob_memset_4+0xac/0x330 [ 12.804884] kunit_try_run_case+0x1a5/0x480 [ 12.805088] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.805337] kthread+0x337/0x6f0 [ 12.805578] ret_from_fork+0x116/0x1d0 [ 12.805754] ret_from_fork_asm+0x1a/0x30 [ 12.805922] [ 12.805992] The buggy address belongs to the object at ffff8881027a3500 [ 12.805992] which belongs to the cache kmalloc-128 of size 128 [ 12.806568] The buggy address is located 117 bytes inside of [ 12.806568] allocated 120-byte region [ffff8881027a3500, ffff8881027a3578) [ 12.807000] [ 12.807072] The buggy address belongs to the physical page: [ 12.807241] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027a3 [ 12.807546] flags: 0x200000000000000(node=0|zone=2) [ 12.807778] page_type: f5(slab) [ 12.807942] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.808601] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.808877] page dumped because: kasan: bad access detected [ 12.809046] [ 12.809115] Memory state around the buggy address: [ 12.809266] ffff8881027a3400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.809774] ffff8881027a3480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.810102] >ffff8881027a3500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.810422] ^ [ 12.810695] ffff8881027a3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.810940] ffff8881027a3600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.811253] ==================================================================