Date
June 18, 2025, 6:43 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 20.330169] ================================================================== [ 20.330406] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 20.330674] Write of size 128 at addr fff00000c6423600 by task kunit_try_catch/180 [ 20.330910] [ 20.331063] CPU: 0 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 20.331238] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.331294] Hardware name: linux,dummy-virt (DT) [ 20.331361] Call trace: [ 20.331870] show_stack+0x20/0x38 (C) [ 20.332056] dump_stack_lvl+0x8c/0xd0 [ 20.332305] print_report+0x118/0x608 [ 20.332484] kasan_report+0xdc/0x128 [ 20.332698] kasan_check_range+0x100/0x1a8 [ 20.332922] __asan_memset+0x34/0x78 [ 20.333093] kmalloc_oob_in_memset+0x144/0x2d0 [ 20.333282] kunit_try_run_case+0x170/0x3f0 [ 20.333471] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.333907] kthread+0x328/0x630 [ 20.334000] ret_from_fork+0x10/0x20 [ 20.334124] [ 20.334162] Allocated by task 180: [ 20.334218] kasan_save_stack+0x3c/0x68 [ 20.334547] kasan_save_track+0x20/0x40 [ 20.334675] kasan_save_alloc_info+0x40/0x58 [ 20.334749] __kasan_kmalloc+0xd4/0xd8 [ 20.334884] __kmalloc_cache_noprof+0x16c/0x3c0 [ 20.335075] kmalloc_oob_in_memset+0xb0/0x2d0 [ 20.335253] kunit_try_run_case+0x170/0x3f0 [ 20.335687] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.335926] kthread+0x328/0x630 [ 20.336007] ret_from_fork+0x10/0x20 [ 20.336314] [ 20.336457] The buggy address belongs to the object at fff00000c6423600 [ 20.336457] which belongs to the cache kmalloc-128 of size 128 [ 20.336627] The buggy address is located 0 bytes inside of [ 20.336627] allocated 120-byte region [fff00000c6423600, fff00000c6423678) [ 20.337009] [ 20.337085] The buggy address belongs to the physical page: [ 20.337157] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106423 [ 20.337307] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.337413] page_type: f5(slab) [ 20.337498] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.337606] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.337693] page dumped because: kasan: bad access detected [ 20.337763] [ 20.337800] Memory state around the buggy address: [ 20.337867] fff00000c6423500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.337962] fff00000c6423580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.338168] >fff00000c6423600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.338395] ^ [ 20.338472] fff00000c6423680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.338544] fff00000c6423700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.338612] ==================================================================
[ 11.181492] ================================================================== [ 11.182010] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.182403] Write of size 128 at addr ffff888101add700 by task kunit_try_catch/196 [ 11.182859] [ 11.183055] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 11.183105] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.183117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.183137] Call Trace: [ 11.183149] <TASK> [ 11.183164] dump_stack_lvl+0x73/0xb0 [ 11.183191] print_report+0xd1/0x650 [ 11.183224] ? __virt_addr_valid+0x1db/0x2d0 [ 11.183246] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.183266] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.183290] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.183311] kasan_report+0x141/0x180 [ 11.183331] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.183355] kasan_check_range+0x10c/0x1c0 [ 11.183377] __asan_memset+0x27/0x50 [ 11.183398] kmalloc_oob_in_memset+0x15f/0x320 [ 11.183419] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.183440] ? __schedule+0x10cc/0x2b60 [ 11.183461] ? __pfx_read_tsc+0x10/0x10 [ 11.183481] ? ktime_get_ts64+0x86/0x230 [ 11.183505] kunit_try_run_case+0x1a5/0x480 [ 11.183528] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.183549] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.183571] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.183592] ? __kthread_parkme+0x82/0x180 [ 11.183611] ? preempt_count_sub+0x50/0x80 [ 11.183634] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.183656] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.183677] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.183699] kthread+0x337/0x6f0 [ 11.183717] ? trace_preempt_on+0x20/0xc0 [ 11.183740] ? __pfx_kthread+0x10/0x10 [ 11.183760] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.183778] ? calculate_sigpending+0x7b/0xa0 [ 11.183801] ? __pfx_kthread+0x10/0x10 [ 11.183822] ret_from_fork+0x116/0x1d0 [ 11.183839] ? __pfx_kthread+0x10/0x10 [ 11.183858] ret_from_fork_asm+0x1a/0x30 [ 11.183887] </TASK> [ 11.183897] [ 11.191044] Allocated by task 196: [ 11.191172] kasan_save_stack+0x45/0x70 [ 11.191320] kasan_save_track+0x18/0x40 [ 11.191448] kasan_save_alloc_info+0x3b/0x50 [ 11.191723] __kasan_kmalloc+0xb7/0xc0 [ 11.191909] __kmalloc_cache_noprof+0x189/0x420 [ 11.192118] kmalloc_oob_in_memset+0xac/0x320 [ 11.192354] kunit_try_run_case+0x1a5/0x480 [ 11.192555] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.192855] kthread+0x337/0x6f0 [ 11.193052] ret_from_fork+0x116/0x1d0 [ 11.193176] ret_from_fork_asm+0x1a/0x30 [ 11.193316] [ 11.193379] The buggy address belongs to the object at ffff888101add700 [ 11.193379] which belongs to the cache kmalloc-128 of size 128 [ 11.193844] The buggy address is located 0 bytes inside of [ 11.193844] allocated 120-byte region [ffff888101add700, ffff888101add778) [ 11.194392] [ 11.194477] The buggy address belongs to the physical page: [ 11.194759] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add [ 11.194994] flags: 0x200000000000000(node=0|zone=2) [ 11.195148] page_type: f5(slab) [ 11.195466] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.195796] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.196120] page dumped because: kasan: bad access detected [ 11.196445] [ 11.196709] Memory state around the buggy address: [ 11.196898] ffff888101add600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.197110] ffff888101add680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.197381] >ffff888101add700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.197975] ^ [ 11.198295] ffff888101add780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.198528] ffff888101add800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.198730] ==================================================================