Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.350217] ================================================================== [ 19.350423] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 19.350482] Write of size 16 at addr fff00000c5708169 by task kunit_try_catch/178 [ 19.350658] [ 19.350858] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.351035] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.351082] Hardware name: linux,dummy-virt (DT) [ 19.351146] Call trace: [ 19.351522] show_stack+0x20/0x38 (C) [ 19.351618] dump_stack_lvl+0x8c/0xd0 [ 19.351689] print_report+0x118/0x608 [ 19.351881] kasan_report+0xdc/0x128 [ 19.352063] kasan_check_range+0x100/0x1a8 [ 19.352209] __asan_memset+0x34/0x78 [ 19.352252] kmalloc_oob_memset_16+0x150/0x2f8 [ 19.352314] kunit_try_run_case+0x170/0x3f0 [ 19.352365] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.352414] kthread+0x328/0x630 [ 19.352730] ret_from_fork+0x10/0x20 [ 19.352926] [ 19.353024] Allocated by task 178: [ 19.353205] kasan_save_stack+0x3c/0x68 [ 19.353291] kasan_save_track+0x20/0x40 [ 19.353328] kasan_save_alloc_info+0x40/0x58 [ 19.353654] __kasan_kmalloc+0xd4/0xd8 [ 19.353847] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.354019] kmalloc_oob_memset_16+0xb0/0x2f8 [ 19.354140] kunit_try_run_case+0x170/0x3f0 [ 19.354316] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.354471] kthread+0x328/0x630 [ 19.354602] ret_from_fork+0x10/0x20 [ 19.354767] [ 19.354819] The buggy address belongs to the object at fff00000c5708100 [ 19.354819] which belongs to the cache kmalloc-128 of size 128 [ 19.355345] The buggy address is located 105 bytes inside of [ 19.355345] allocated 120-byte region [fff00000c5708100, fff00000c5708178) [ 19.355576] [ 19.355698] The buggy address belongs to the physical page: [ 19.355776] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105708 [ 19.355918] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.355964] page_type: f5(slab) [ 19.356128] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.356360] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.356488] page dumped because: kasan: bad access detected [ 19.356565] [ 19.356693] Memory state around the buggy address: [ 19.356858] fff00000c5708000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.356952] fff00000c5708080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.357214] >fff00000c5708100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.357531] ^ [ 19.357682] fff00000c5708180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.357788] fff00000c5708200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.357864] ==================================================================
[ 13.075316] ================================================================== [ 13.075849] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 13.076201] Write of size 16 at addr ffff888102af6369 by task kunit_try_catch/195 [ 13.076627] [ 13.076909] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.077002] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.077015] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.077035] Call Trace: [ 13.077078] <TASK> [ 13.077093] dump_stack_lvl+0x73/0xb0 [ 13.077122] print_report+0xd1/0x650 [ 13.077155] ? __virt_addr_valid+0x1db/0x2d0 [ 13.077177] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.077197] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.077221] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.077242] kasan_report+0x141/0x180 [ 13.077263] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.077288] kasan_check_range+0x10c/0x1c0 [ 13.077310] __asan_memset+0x27/0x50 [ 13.077329] kmalloc_oob_memset_16+0x166/0x330 [ 13.077350] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 13.077373] ? __schedule+0x10cc/0x2b60 [ 13.077394] ? __pfx_read_tsc+0x10/0x10 [ 13.077414] ? ktime_get_ts64+0x86/0x230 [ 13.077437] kunit_try_run_case+0x1a5/0x480 [ 13.077460] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.077481] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.077503] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.077525] ? __kthread_parkme+0x82/0x180 [ 13.077544] ? preempt_count_sub+0x50/0x80 [ 13.077573] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.077595] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.077616] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.077638] kthread+0x337/0x6f0 [ 13.077656] ? trace_preempt_on+0x20/0xc0 [ 13.077677] ? __pfx_kthread+0x10/0x10 [ 13.077697] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.077716] ? calculate_sigpending+0x7b/0xa0 [ 13.077738] ? __pfx_kthread+0x10/0x10 [ 13.077759] ret_from_fork+0x116/0x1d0 [ 13.077776] ? __pfx_kthread+0x10/0x10 [ 13.077795] ret_from_fork_asm+0x1a/0x30 [ 13.077825] </TASK> [ 13.077836] [ 13.089603] Allocated by task 195: [ 13.089738] kasan_save_stack+0x45/0x70 [ 13.089880] kasan_save_track+0x18/0x40 [ 13.090009] kasan_save_alloc_info+0x3b/0x50 [ 13.090692] __kasan_kmalloc+0xb7/0xc0 [ 13.091104] __kmalloc_cache_noprof+0x189/0x420 [ 13.091604] kmalloc_oob_memset_16+0xac/0x330 [ 13.092150] kunit_try_run_case+0x1a5/0x480 [ 13.092658] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.093204] kthread+0x337/0x6f0 [ 13.093334] ret_from_fork+0x116/0x1d0 [ 13.093466] ret_from_fork_asm+0x1a/0x30 [ 13.093905] [ 13.094275] The buggy address belongs to the object at ffff888102af6300 [ 13.094275] which belongs to the cache kmalloc-128 of size 128 [ 13.095567] The buggy address is located 105 bytes inside of [ 13.095567] allocated 120-byte region [ffff888102af6300, ffff888102af6378) [ 13.095934] [ 13.096008] The buggy address belongs to the physical page: [ 13.096311] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102af6 [ 13.097200] flags: 0x200000000000000(node=0|zone=2) [ 13.097714] page_type: f5(slab) [ 13.098077] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.099147] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.099953] page dumped because: kasan: bad access detected [ 13.100213] [ 13.100462] Memory state around the buggy address: [ 13.100991] ffff888102af6200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.101687] ffff888102af6280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.102346] >ffff888102af6300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.102888] ^ [ 13.103525] ffff888102af6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.103951] ffff888102af6400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.104384] ==================================================================