Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.836440] ================================================================== [ 19.836510] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 19.836696] Read of size 1 at addr fff00000c64640c8 by task kunit_try_catch/207 [ 19.836782] [ 19.836830] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.836912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.836951] Hardware name: linux,dummy-virt (DT) [ 19.836984] Call trace: [ 19.837005] show_stack+0x20/0x38 (C) [ 19.837078] dump_stack_lvl+0x8c/0xd0 [ 19.837130] print_report+0x118/0x608 [ 19.837200] kasan_report+0xdc/0x128 [ 19.837246] __asan_report_load1_noabort+0x20/0x30 [ 19.837603] kmem_cache_oob+0x344/0x430 [ 19.837671] kunit_try_run_case+0x170/0x3f0 [ 19.837760] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.837836] kthread+0x328/0x630 [ 19.837881] ret_from_fork+0x10/0x20 [ 19.837957] [ 19.837975] Allocated by task 207: [ 19.839460] kasan_save_stack+0x3c/0x68 [ 19.839516] kasan_save_track+0x20/0x40 [ 19.839553] kasan_save_alloc_info+0x40/0x58 [ 19.839593] __kasan_slab_alloc+0xa8/0xb0 [ 19.839628] kmem_cache_alloc_noprof+0x10c/0x398 [ 19.839669] kmem_cache_oob+0x12c/0x430 [ 19.839704] kunit_try_run_case+0x170/0x3f0 [ 19.839752] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.839795] kthread+0x328/0x630 [ 19.839827] ret_from_fork+0x10/0x20 [ 19.839863] [ 19.839882] The buggy address belongs to the object at fff00000c6464000 [ 19.839882] which belongs to the cache test_cache of size 200 [ 19.839940] The buggy address is located 0 bytes to the right of [ 19.839940] allocated 200-byte region [fff00000c6464000, fff00000c64640c8) [ 19.840007] [ 19.840028] The buggy address belongs to the physical page: [ 19.840059] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106464 [ 19.840119] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.840167] page_type: f5(slab) [ 19.840205] raw: 0bfffe0000000000 fff00000c563c3c0 dead000000000122 0000000000000000 [ 19.840261] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.840305] page dumped because: kasan: bad access detected [ 19.840337] [ 19.840354] Memory state around the buggy address: [ 19.840387] fff00000c6463f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.840430] fff00000c6464000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.840472] >fff00000c6464080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.840508] ^ [ 19.840542] fff00000c6464100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.840583] fff00000c6464180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.840620] ==================================================================
[ 13.609316] ================================================================== [ 13.610526] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.610761] Read of size 1 at addr ffff8881026160c8 by task kunit_try_catch/224 [ 13.610978] [ 13.611374] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.611725] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.611742] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.611765] Call Trace: [ 13.611779] <TASK> [ 13.611797] dump_stack_lvl+0x73/0xb0 [ 13.611830] print_report+0xd1/0x650 [ 13.611851] ? __virt_addr_valid+0x1db/0x2d0 [ 13.611873] ? kmem_cache_oob+0x402/0x530 [ 13.611894] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.611919] ? kmem_cache_oob+0x402/0x530 [ 13.611940] kasan_report+0x141/0x180 [ 13.611961] ? kmem_cache_oob+0x402/0x530 [ 13.611987] __asan_report_load1_noabort+0x18/0x20 [ 13.612010] kmem_cache_oob+0x402/0x530 [ 13.612032] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.612065] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.612094] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.612119] kunit_try_run_case+0x1a5/0x480 [ 13.612143] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.612164] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.612186] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.612208] ? __kthread_parkme+0x82/0x180 [ 13.612227] ? preempt_count_sub+0x50/0x80 [ 13.612250] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.612272] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.612293] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.612314] kthread+0x337/0x6f0 [ 13.612332] ? trace_preempt_on+0x20/0xc0 [ 13.612354] ? __pfx_kthread+0x10/0x10 [ 13.612373] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.612392] ? calculate_sigpending+0x7b/0xa0 [ 13.612415] ? __pfx_kthread+0x10/0x10 [ 13.612435] ret_from_fork+0x116/0x1d0 [ 13.612452] ? __pfx_kthread+0x10/0x10 [ 13.612471] ret_from_fork_asm+0x1a/0x30 [ 13.612502] </TASK> [ 13.612513] [ 13.626015] Allocated by task 224: [ 13.626522] kasan_save_stack+0x45/0x70 [ 13.626743] kasan_save_track+0x18/0x40 [ 13.627057] kasan_save_alloc_info+0x3b/0x50 [ 13.627320] __kasan_slab_alloc+0x91/0xa0 [ 13.627707] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.627919] kmem_cache_oob+0x157/0x530 [ 13.628198] kunit_try_run_case+0x1a5/0x480 [ 13.628531] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.628972] kthread+0x337/0x6f0 [ 13.629258] ret_from_fork+0x116/0x1d0 [ 13.629416] ret_from_fork_asm+0x1a/0x30 [ 13.629785] [ 13.630006] The buggy address belongs to the object at ffff888102616000 [ 13.630006] which belongs to the cache test_cache of size 200 [ 13.630946] The buggy address is located 0 bytes to the right of [ 13.630946] allocated 200-byte region [ffff888102616000, ffff8881026160c8) [ 13.631736] [ 13.631912] The buggy address belongs to the physical page: [ 13.632142] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102616 [ 13.632889] flags: 0x200000000000000(node=0|zone=2) [ 13.633220] page_type: f5(slab) [ 13.633563] raw: 0200000000000000 ffff888101f21140 dead000000000122 0000000000000000 [ 13.633910] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.634602] page dumped because: kasan: bad access detected [ 13.634936] [ 13.635267] Memory state around the buggy address: [ 13.635505] ffff888102615f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.635859] ffff888102616000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.636456] >ffff888102616080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.636822] ^ [ 13.637108] ffff888102616100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.637679] ffff888102616180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.637991] ==================================================================