Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.466586] ================================================================== [ 21.468142] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x15c/0x310 [ 21.469288] Write of size 16 at addr fff00000c41c1969 by task kunit_try_catch/166 [ 21.470122] [ 21.470478] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 21.470678] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.470751] Hardware name: linux,dummy-virt (DT) [ 21.470837] Call trace: [ 21.470905] dump_backtrace+0x9c/0x128 [ 21.471045] show_stack+0x20/0x38 [ 21.471151] dump_stack_lvl+0x8c/0xd0 [ 21.471268] print_report+0x118/0x5f0 [ 21.471420] kasan_report+0xdc/0x128 [ 21.471529] kasan_check_range+0x100/0x1a8 [ 21.471632] __asan_memset+0x34/0x78 [ 21.471730] kmalloc_oob_memset_16+0x15c/0x310 [ 21.471837] kunit_try_run_case+0x170/0x3f0 [ 21.471937] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.472066] kthread+0x24c/0x2d0 [ 21.472165] ret_from_fork+0x10/0x20 [ 21.472246] [ 21.480803] Allocated by task 166: [ 21.481201] kasan_save_stack+0x3c/0x68 [ 21.481986] kasan_save_track+0x20/0x40 [ 21.482673] kasan_save_alloc_info+0x40/0x58 [ 21.483234] __kasan_kmalloc+0xd4/0xd8 [ 21.484022] __kmalloc_cache_noprof+0x154/0x320 [ 21.484561] kmalloc_oob_memset_16+0xb0/0x310 [ 21.485125] kunit_try_run_case+0x170/0x3f0 [ 21.485629] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.486251] kthread+0x24c/0x2d0 [ 21.486705] ret_from_fork+0x10/0x20 [ 21.487190] [ 21.488363] The buggy address belongs to the object at fff00000c41c1900 [ 21.488363] which belongs to the cache kmalloc-128 of size 128 [ 21.489371] The buggy address is located 105 bytes inside of [ 21.489371] allocated 120-byte region [fff00000c41c1900, fff00000c41c1978) [ 21.490543] [ 21.490859] The buggy address belongs to the physical page: [ 21.491443] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1041c1 [ 21.492348] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.493474] page_type: f5(slab) [ 21.493920] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.494574] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 21.495298] page dumped because: kasan: bad access detected [ 21.496570] [ 21.497085] Memory state around the buggy address: [ 21.497518] fff00000c41c1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 21.498417] fff00000c41c1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.499349] >fff00000c41c1900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.500301] ^ [ 21.501062] fff00000c41c1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.502021] fff00000c41c1a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.502819] ==================================================================
[ 17.822591] ================================================================== [ 17.823705] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x167/0x330 [ 17.824381] Write of size 16 at addr ffff888102921c69 by task kunit_try_catch/183 [ 17.825724] [ 17.826421] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 17.826484] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.826508] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.826566] Call Trace: [ 17.826604] <TASK> [ 17.826650] dump_stack_lvl+0x73/0xb0 [ 17.826923] print_report+0xd1/0x640 [ 17.826962] ? __virt_addr_valid+0x1db/0x2d0 [ 17.827000] ? kmalloc_oob_memset_16+0x167/0x330 [ 17.827033] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.827066] ? kmalloc_oob_memset_16+0x167/0x330 [ 17.827100] kasan_report+0x140/0x180 [ 17.827134] ? kmalloc_oob_memset_16+0x167/0x330 [ 17.827177] kasan_check_range+0x10c/0x1c0 [ 17.827207] __asan_memset+0x27/0x50 [ 17.827281] kmalloc_oob_memset_16+0x167/0x330 [ 17.827320] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 17.827355] ? __schedule+0xc49/0x27a0 [ 17.827384] ? __pfx_read_tsc+0x10/0x10 [ 17.827413] ? ktime_get_ts64+0x84/0x230 [ 17.827450] kunit_try_run_case+0x1a6/0x480 [ 17.827481] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.827509] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.827537] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.827572] ? __kthread_parkme+0x82/0x160 [ 17.827599] ? preempt_count_sub+0x50/0x80 [ 17.827630] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.827657] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.827694] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.827729] kthread+0x257/0x310 [ 17.827755] ? __pfx_kthread+0x10/0x10 [ 17.827781] ret_from_fork+0x41/0x80 [ 17.827818] ? __pfx_kthread+0x10/0x10 [ 17.827873] ret_from_fork_asm+0x1a/0x30 [ 17.827916] </TASK> [ 17.827930] [ 17.843560] Allocated by task 183: [ 17.844077] kasan_save_stack+0x45/0x70 [ 17.844602] kasan_save_track+0x18/0x40 [ 17.845182] kasan_save_alloc_info+0x3b/0x50 [ 17.845624] __kasan_kmalloc+0xb7/0xc0 [ 17.846149] __kmalloc_cache_noprof+0x168/0x350 [ 17.846700] kmalloc_oob_memset_16+0xad/0x330 [ 17.847283] kunit_try_run_case+0x1a6/0x480 [ 17.847697] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.848352] kthread+0x257/0x310 [ 17.848670] ret_from_fork+0x41/0x80 [ 17.849256] ret_from_fork_asm+0x1a/0x30 [ 17.849712] [ 17.850049] The buggy address belongs to the object at ffff888102921c00 [ 17.850049] which belongs to the cache kmalloc-128 of size 128 [ 17.850925] The buggy address is located 105 bytes inside of [ 17.850925] allocated 120-byte region [ffff888102921c00, ffff888102921c78) [ 17.851889] [ 17.852070] The buggy address belongs to the physical page: [ 17.852572] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102921 [ 17.853403] flags: 0x200000000000000(node=0|zone=2) [ 17.853984] page_type: f5(slab) [ 17.854302] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.854998] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 17.855655] page dumped because: kasan: bad access detected [ 17.856187] [ 17.856457] Memory state around the buggy address: [ 17.856980] ffff888102921b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.857548] ffff888102921b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.858139] >ffff888102921c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.858795] ^ [ 17.859447] ffff888102921c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.860064] ffff888102921d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.860653] ==================================================================