Date
July 17, 2025, 10:12 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.548230] ================================================================== [ 29.548320] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 29.548685] Write of size 128 at addr fff00000c59f9e00 by task kunit_try_catch/201 [ 29.549154] [ 29.549197] CPU: 1 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT [ 29.549281] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.549306] Hardware name: linux,dummy-virt (DT) [ 29.549336] Call trace: [ 29.549360] show_stack+0x20/0x38 (C) [ 29.549411] dump_stack_lvl+0x8c/0xd0 [ 29.549795] print_report+0x118/0x5d0 [ 29.549862] kasan_report+0xdc/0x128 [ 29.549906] kasan_check_range+0x100/0x1a8 [ 29.549950] __asan_memset+0x34/0x78 [ 29.549993] kmalloc_oob_in_memset+0x144/0x2d0 [ 29.550040] kunit_try_run_case+0x170/0x3f0 [ 29.550099] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.550539] kthread+0x328/0x630 [ 29.550856] ret_from_fork+0x10/0x20 [ 29.550927] [ 29.550947] Allocated by task 201: [ 29.551161] kasan_save_stack+0x3c/0x68 [ 29.551440] kasan_save_track+0x20/0x40 [ 29.551519] kasan_save_alloc_info+0x40/0x58 [ 29.551671] __kasan_kmalloc+0xd4/0xd8 [ 29.551751] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.552123] kmalloc_oob_in_memset+0xb0/0x2d0 [ 29.552177] kunit_try_run_case+0x170/0x3f0 [ 29.552437] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.552566] kthread+0x328/0x630 [ 29.552669] ret_from_fork+0x10/0x20 [ 29.552752] [ 29.552809] The buggy address belongs to the object at fff00000c59f9e00 [ 29.552809] which belongs to the cache kmalloc-128 of size 128 [ 29.552948] The buggy address is located 0 bytes inside of [ 29.552948] allocated 120-byte region [fff00000c59f9e00, fff00000c59f9e78) [ 29.553072] [ 29.553194] The buggy address belongs to the physical page: [ 29.553251] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059f9 [ 29.553363] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.553489] page_type: f5(slab) [ 29.553534] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000100 dead000000000122 [ 29.553583] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.553621] page dumped because: kasan: bad access detected [ 29.553914] [ 29.553958] Memory state around the buggy address: [ 29.554010] fff00000c59f9d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.554161] fff00000c59f9d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.554246] >fff00000c59f9e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.554396] ^ [ 29.554573] fff00000c59f9e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.554716] fff00000c59f9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.554807] ==================================================================
[ 25.738207] ================================================================== [ 25.738657] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 25.739004] Write of size 128 at addr ffff888105f2fa00 by task kunit_try_catch/219 [ 25.739333] [ 25.739454] CPU: 1 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT(voluntary) [ 25.739502] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.739513] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.739534] Call Trace: [ 25.739547] <TASK> [ 25.739563] dump_stack_lvl+0x73/0xb0 [ 25.739594] print_report+0xd1/0x610 [ 25.739616] ? __virt_addr_valid+0x1db/0x2d0 [ 25.739639] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.739660] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.739684] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.739705] kasan_report+0x141/0x180 [ 25.739726] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.739753] kasan_check_range+0x10c/0x1c0 [ 25.739777] __asan_memset+0x27/0x50 [ 25.739800] kmalloc_oob_in_memset+0x15f/0x320 [ 25.739821] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 25.739843] ? __schedule+0x10c6/0x2b60 [ 25.739866] ? __pfx_read_tsc+0x10/0x10 [ 25.739887] ? ktime_get_ts64+0x86/0x230 [ 25.739911] kunit_try_run_case+0x1a5/0x480 [ 25.739934] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.739955] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.739977] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.740000] ? __kthread_parkme+0x82/0x180 [ 25.740023] ? preempt_count_sub+0x50/0x80 [ 25.740045] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.740069] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.740101] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.740123] kthread+0x337/0x6f0 [ 25.740141] ? trace_preempt_on+0x20/0xc0 [ 25.740164] ? __pfx_kthread+0x10/0x10 [ 25.740184] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.740204] ? calculate_sigpending+0x7b/0xa0 [ 25.740257] ? __pfx_kthread+0x10/0x10 [ 25.740277] ret_from_fork+0x116/0x1d0 [ 25.740309] ? __pfx_kthread+0x10/0x10 [ 25.740329] ret_from_fork_asm+0x1a/0x30 [ 25.740360] </TASK> [ 25.740369] [ 25.747481] Allocated by task 219: [ 25.747808] kasan_save_stack+0x45/0x70 [ 25.747948] kasan_save_track+0x18/0x40 [ 25.748076] kasan_save_alloc_info+0x3b/0x50 [ 25.748226] __kasan_kmalloc+0xb7/0xc0 [ 25.748358] __kmalloc_cache_noprof+0x189/0x420 [ 25.748572] kmalloc_oob_in_memset+0xac/0x320 [ 25.748782] kunit_try_run_case+0x1a5/0x480 [ 25.748987] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.749350] kthread+0x337/0x6f0 [ 25.749516] ret_from_fork+0x116/0x1d0 [ 25.749672] ret_from_fork_asm+0x1a/0x30 [ 25.749816] [ 25.749880] The buggy address belongs to the object at ffff888105f2fa00 [ 25.749880] which belongs to the cache kmalloc-128 of size 128 [ 25.750431] The buggy address is located 0 bytes inside of [ 25.750431] allocated 120-byte region [ffff888105f2fa00, ffff888105f2fa78) [ 25.750784] [ 25.750852] The buggy address belongs to the physical page: [ 25.751037] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f2f [ 25.751381] flags: 0x200000000000000(node=0|zone=2) [ 25.751602] page_type: f5(slab) [ 25.751762] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.752334] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.752652] page dumped because: kasan: bad access detected [ 25.752859] [ 25.752921] Memory state around the buggy address: [ 25.753070] ffff888105f2f900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.753474] ffff888105f2f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.753790] >ffff888105f2fa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.754109] ^ [ 25.754499] ffff888105f2fa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.754773] ffff888105f2fb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.755025] ==================================================================