Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.721804] ================================================================== [ 33.722070] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 33.722211] Read of size 1 at addr fff00000c64500c8 by task kunit_try_catch/219 [ 33.722333] [ 33.722418] CPU: 1 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 33.722631] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.722697] Hardware name: linux,dummy-virt (DT) [ 33.722783] Call trace: [ 33.722838] show_stack+0x20/0x38 (C) [ 33.722961] dump_stack_lvl+0x8c/0xd0 [ 33.723096] print_report+0x118/0x608 [ 33.723217] kasan_report+0xdc/0x128 [ 33.723335] __asan_report_load1_noabort+0x20/0x30 [ 33.723457] kmem_cache_oob+0x344/0x430 [ 33.723569] kunit_try_run_case+0x170/0x3f0 [ 33.723756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.723883] kthread+0x328/0x630 [ 33.723988] ret_from_fork+0x10/0x20 [ 33.730832] [ 33.731351] Allocated by task 219: [ 33.731445] kasan_save_stack+0x3c/0x68 [ 33.731565] kasan_save_track+0x20/0x40 [ 33.731666] kasan_save_alloc_info+0x40/0x58 [ 33.731825] __kasan_slab_alloc+0xa8/0xb0 [ 33.731963] kmem_cache_alloc_noprof+0x10c/0x398 [ 33.732091] kmem_cache_oob+0x12c/0x430 [ 33.732180] kunit_try_run_case+0x170/0x3f0 [ 33.732275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.732721] kthread+0x328/0x630 [ 33.732827] ret_from_fork+0x10/0x20 [ 33.732941] [ 33.733053] The buggy address belongs to the object at fff00000c6450000 [ 33.733053] which belongs to the cache test_cache of size 200 [ 33.733249] The buggy address is located 0 bytes to the right of [ 33.733249] allocated 200-byte region [fff00000c6450000, fff00000c64500c8) [ 33.733657] [ 33.733789] The buggy address belongs to the physical page: [ 33.733864] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106450 [ 33.733990] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.734129] page_type: f5(slab) [ 33.734315] raw: 0bfffe0000000000 fff00000c5641640 dead000000000122 0000000000000000 [ 33.734509] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 33.734898] page dumped because: kasan: bad access detected [ 33.735044] [ 33.736294] Memory state around the buggy address: [ 33.736383] fff00000c644ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.736486] fff00000c6450000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.736588] >fff00000c6450080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 33.737159] ^ [ 33.737456] fff00000c6450100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.737773] fff00000c6450180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.738425] ==================================================================
[ 22.487307] ================================================================== [ 22.487778] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 22.488489] Read of size 1 at addr ffff8881023c20c8 by task kunit_try_catch/236 [ 22.488765] [ 22.488951] CPU: 0 UID: 0 PID: 236 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 22.489033] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.489055] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.489088] Call Trace: [ 22.489110] <TASK> [ 22.489138] dump_stack_lvl+0x73/0xb0 [ 22.489189] print_report+0xd1/0x650 [ 22.489220] ? __virt_addr_valid+0x1db/0x2d0 [ 22.489261] ? kmem_cache_oob+0x402/0x530 [ 22.489300] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.489339] ? kmem_cache_oob+0x402/0x530 [ 22.489374] kasan_report+0x141/0x180 [ 22.489426] ? kmem_cache_oob+0x402/0x530 [ 22.489465] __asan_report_load1_noabort+0x18/0x20 [ 22.489503] kmem_cache_oob+0x402/0x530 [ 22.489533] ? trace_hardirqs_on+0x37/0xe0 [ 22.489572] ? __pfx_kmem_cache_oob+0x10/0x10 [ 22.489605] ? finish_task_switch.isra.0+0x153/0x700 [ 22.489642] ? __switch_to+0x47/0xf50 [ 22.489686] ? __pfx_read_tsc+0x10/0x10 [ 22.489718] ? ktime_get_ts64+0x86/0x230 [ 22.489759] kunit_try_run_case+0x1a5/0x480 [ 22.489798] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.489834] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.489874] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.489910] ? __kthread_parkme+0x82/0x180 [ 22.489940] ? preempt_count_sub+0x50/0x80 [ 22.489976] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.490023] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.490101] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.490169] kthread+0x337/0x6f0 [ 22.490249] ? trace_preempt_on+0x20/0xc0 [ 22.490273] ? __pfx_kthread+0x10/0x10 [ 22.490293] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.490313] ? calculate_sigpending+0x7b/0xa0 [ 22.490337] ? __pfx_kthread+0x10/0x10 [ 22.490356] ret_from_fork+0x116/0x1d0 [ 22.490374] ? __pfx_kthread+0x10/0x10 [ 22.490416] ret_from_fork_asm+0x1a/0x30 [ 22.490446] </TASK> [ 22.490459] [ 22.499958] Allocated by task 236: [ 22.500288] kasan_save_stack+0x45/0x70 [ 22.500476] kasan_save_track+0x18/0x40 [ 22.500711] kasan_save_alloc_info+0x3b/0x50 [ 22.500975] __kasan_slab_alloc+0x91/0xa0 [ 22.501280] kmem_cache_alloc_noprof+0x123/0x3f0 [ 22.501577] kmem_cache_oob+0x157/0x530 [ 22.501861] kunit_try_run_case+0x1a5/0x480 [ 22.502189] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.502523] kthread+0x337/0x6f0 [ 22.502675] ret_from_fork+0x116/0x1d0 [ 22.502853] ret_from_fork_asm+0x1a/0x30 [ 22.503020] [ 22.503122] The buggy address belongs to the object at ffff8881023c2000 [ 22.503122] which belongs to the cache test_cache of size 200 [ 22.503858] The buggy address is located 0 bytes to the right of [ 22.503858] allocated 200-byte region [ffff8881023c2000, ffff8881023c20c8) [ 22.504629] [ 22.504720] The buggy address belongs to the physical page: [ 22.504897] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1023c2 [ 22.505350] flags: 0x200000000000000(node=0|zone=2) [ 22.506335] page_type: f5(slab) [ 22.506620] raw: 0200000000000000 ffff8881009aec80 dead000000000122 0000000000000000 [ 22.507002] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 22.507432] page dumped because: kasan: bad access detected [ 22.507742] [ 22.507910] Memory state around the buggy address: [ 22.508268] ffff8881023c1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.508479] ffff8881023c2000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.508694] >ffff8881023c2080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.508900] ^ [ 22.509242] ffff8881023c2100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.509705] ffff8881023c2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.510207] ==================================================================