Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.045722] ================================================================== [ 17.045801] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 17.045859] Read of size 1 at addr fff00000c78a40c8 by task kunit_try_catch/207 [ 17.045911] [ 17.045959] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.046045] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.046073] Hardware name: linux,dummy-virt (DT) [ 17.046105] Call trace: [ 17.046127] show_stack+0x20/0x38 (C) [ 17.046791] dump_stack_lvl+0x8c/0xd0 [ 17.046862] print_report+0x118/0x5d0 [ 17.046920] kasan_report+0xdc/0x128 [ 17.046978] __asan_report_load1_noabort+0x20/0x30 [ 17.047032] kmem_cache_oob+0x344/0x430 [ 17.047077] kunit_try_run_case+0x170/0x3f0 [ 17.047181] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.047284] kthread+0x328/0x630 [ 17.047629] ret_from_fork+0x10/0x20 [ 17.047819] [ 17.047888] Allocated by task 207: [ 17.048000] kasan_save_stack+0x3c/0x68 [ 17.048103] kasan_save_track+0x20/0x40 [ 17.048278] kasan_save_alloc_info+0x40/0x58 [ 17.048375] __kasan_slab_alloc+0xa8/0xb0 [ 17.048809] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.048901] kmem_cache_oob+0x12c/0x430 [ 17.048961] kunit_try_run_case+0x170/0x3f0 [ 17.049100] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.049258] kthread+0x328/0x630 [ 17.049405] ret_from_fork+0x10/0x20 [ 17.049508] [ 17.049529] The buggy address belongs to the object at fff00000c78a4000 [ 17.049529] which belongs to the cache test_cache of size 200 [ 17.049849] The buggy address is located 0 bytes to the right of [ 17.049849] allocated 200-byte region [fff00000c78a4000, fff00000c78a40c8) [ 17.050000] [ 17.050050] The buggy address belongs to the physical page: [ 17.050121] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078a4 [ 17.050292] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.050393] page_type: f5(slab) [ 17.050719] raw: 0bfffe0000000000 fff00000c47158c0 dead000000000122 0000000000000000 [ 17.050820] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.050981] page dumped because: kasan: bad access detected [ 17.051056] [ 17.051208] Memory state around the buggy address: [ 17.051256] fff00000c78a3f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.051374] fff00000c78a4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.051554] >fff00000c78a4080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.051617] ^ [ 17.051658] fff00000c78a4100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.051702] fff00000c78a4180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.052101] ==================================================================
[ 13.637559] ================================================================== [ 13.638131] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.638500] Read of size 1 at addr ffff888103a590c8 by task kunit_try_catch/224 [ 13.638866] [ 13.638976] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.639318] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.639335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.639377] Call Trace: [ 13.639391] <TASK> [ 13.639422] dump_stack_lvl+0x73/0xb0 [ 13.639562] print_report+0xd1/0x610 [ 13.639587] ? __virt_addr_valid+0x1db/0x2d0 [ 13.639611] ? kmem_cache_oob+0x402/0x530 [ 13.639633] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.639656] ? kmem_cache_oob+0x402/0x530 [ 13.639679] kasan_report+0x141/0x180 [ 13.639700] ? kmem_cache_oob+0x402/0x530 [ 13.639727] __asan_report_load1_noabort+0x18/0x20 [ 13.639752] kmem_cache_oob+0x402/0x530 [ 13.639772] ? trace_hardirqs_on+0x37/0xe0 [ 13.639796] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.639819] ? finish_task_switch.isra.0+0x153/0x700 [ 13.639842] ? __switch_to+0x47/0xf50 [ 13.639869] ? __pfx_read_tsc+0x10/0x10 [ 13.639890] ? ktime_get_ts64+0x86/0x230 [ 13.639913] kunit_try_run_case+0x1a5/0x480 [ 13.639938] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.639960] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.640065] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.640090] ? __kthread_parkme+0x82/0x180 [ 13.640111] ? preempt_count_sub+0x50/0x80 [ 13.640134] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.640159] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.640184] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.640209] kthread+0x337/0x6f0 [ 13.640228] ? trace_preempt_on+0x20/0xc0 [ 13.640250] ? __pfx_kthread+0x10/0x10 [ 13.640283] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.640304] ? calculate_sigpending+0x7b/0xa0 [ 13.640329] ? __pfx_kthread+0x10/0x10 [ 13.640351] ret_from_fork+0x116/0x1d0 [ 13.640369] ? __pfx_kthread+0x10/0x10 [ 13.640389] ret_from_fork_asm+0x1a/0x30 [ 13.640420] </TASK> [ 13.640431] [ 13.648157] Allocated by task 224: [ 13.648336] kasan_save_stack+0x45/0x70 [ 13.648522] kasan_save_track+0x18/0x40 [ 13.648695] kasan_save_alloc_info+0x3b/0x50 [ 13.648888] __kasan_slab_alloc+0x91/0xa0 [ 13.649133] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.649353] kmem_cache_oob+0x157/0x530 [ 13.649527] kunit_try_run_case+0x1a5/0x480 [ 13.649717] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.649952] kthread+0x337/0x6f0 [ 13.650945] ret_from_fork+0x116/0x1d0 [ 13.651213] ret_from_fork_asm+0x1a/0x30 [ 13.651970] [ 13.652184] The buggy address belongs to the object at ffff888103a59000 [ 13.652184] which belongs to the cache test_cache of size 200 [ 13.652692] The buggy address is located 0 bytes to the right of [ 13.652692] allocated 200-byte region [ffff888103a59000, ffff888103a590c8) [ 13.653319] [ 13.653421] The buggy address belongs to the physical page: [ 13.653697] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a59 [ 13.654111] flags: 0x200000000000000(node=0|zone=2) [ 13.654392] page_type: f5(slab) [ 13.654519] raw: 0200000000000000 ffff888103a56000 dead000000000122 0000000000000000 [ 13.654824] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.655446] page dumped because: kasan: bad access detected [ 13.655664] [ 13.655758] Memory state around the buggy address: [ 13.656289] ffff888103a58f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.656613] ffff888103a59000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.656880] >ffff888103a59080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.657634] ^ [ 13.657814] ffff888103a59100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.658097] ffff888103a59180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.659338] ==================================================================