Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.735261] ================================================================== [ 29.735319] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 29.735379] Read of size 1 at addr fff00000c96bd0c8 by task kunit_try_catch/239 [ 29.735430] [ 29.735463] CPU: 0 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 29.735565] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.735594] Hardware name: linux,dummy-virt (DT) [ 29.735626] Call trace: [ 29.735650] show_stack+0x20/0x38 (C) [ 29.735874] dump_stack_lvl+0x8c/0xd0 [ 29.735968] print_report+0x118/0x5d0 [ 29.736133] kasan_report+0xdc/0x128 [ 29.736260] __asan_report_load1_noabort+0x20/0x30 [ 29.736394] kmem_cache_oob+0x344/0x430 [ 29.736492] kunit_try_run_case+0x170/0x3f0 [ 29.736689] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.736832] kthread+0x328/0x630 [ 29.736913] ret_from_fork+0x10/0x20 [ 29.736962] [ 29.736982] Allocated by task 239: [ 29.737010] kasan_save_stack+0x3c/0x68 [ 29.737222] kasan_save_track+0x20/0x40 [ 29.737268] kasan_save_alloc_info+0x40/0x58 [ 29.737327] __kasan_slab_alloc+0xa8/0xb0 [ 29.737366] kmem_cache_alloc_noprof+0x10c/0x398 [ 29.737409] kmem_cache_oob+0x12c/0x430 [ 29.737444] kunit_try_run_case+0x170/0x3f0 [ 29.737482] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.737649] kthread+0x328/0x630 [ 29.737801] ret_from_fork+0x10/0x20 [ 29.737840] [ 29.737935] The buggy address belongs to the object at fff00000c96bd000 [ 29.737935] which belongs to the cache test_cache of size 200 [ 29.738089] The buggy address is located 0 bytes to the right of [ 29.738089] allocated 200-byte region [fff00000c96bd000, fff00000c96bd0c8) [ 29.738164] [ 29.738185] The buggy address belongs to the physical page: [ 29.738213] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1096bd [ 29.738266] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.738549] page_type: f5(slab) [ 29.738623] raw: 0bfffe0000000000 fff00000c4412640 dead000000000122 0000000000000000 [ 29.738736] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 29.738852] page dumped because: kasan: bad access detected [ 29.738937] [ 29.739068] Memory state around the buggy address: [ 29.739112] fff00000c96bcf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.739157] fff00000c96bd000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.739214] >fff00000c96bd080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 29.739252] ^ [ 29.739288] fff00000c96bd100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.739329] fff00000c96bd180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.739366] ==================================================================
[ 24.715345] ================================================================== [ 24.716643] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 24.717422] Read of size 1 at addr ffff8881050b20c8 by task kunit_try_catch/257 [ 24.717650] [ 24.717754] CPU: 1 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 24.718663] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.718680] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.718838] Call Trace: [ 24.718853] <TASK> [ 24.718931] dump_stack_lvl+0x73/0xb0 [ 24.718980] print_report+0xd1/0x610 [ 24.719005] ? __virt_addr_valid+0x1db/0x2d0 [ 24.719033] ? kmem_cache_oob+0x402/0x530 [ 24.719056] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.719081] ? kmem_cache_oob+0x402/0x530 [ 24.719103] kasan_report+0x141/0x180 [ 24.719124] ? kmem_cache_oob+0x402/0x530 [ 24.719151] __asan_report_load1_noabort+0x18/0x20 [ 24.719174] kmem_cache_oob+0x402/0x530 [ 24.719195] ? trace_hardirqs_on+0x37/0xe0 [ 24.719219] ? __pfx_kmem_cache_oob+0x10/0x10 [ 24.719240] ? finish_task_switch.isra.0+0x153/0x700 [ 24.719263] ? __switch_to+0x47/0xf80 [ 24.719292] ? __pfx_read_tsc+0x10/0x10 [ 24.719314] ? ktime_get_ts64+0x86/0x230 [ 24.719340] kunit_try_run_case+0x1a5/0x480 [ 24.719363] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.719383] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.719408] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.719431] ? __kthread_parkme+0x82/0x180 [ 24.719451] ? preempt_count_sub+0x50/0x80 [ 24.719473] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.719494] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.719518] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.719542] kthread+0x337/0x6f0 [ 24.719561] ? trace_preempt_on+0x20/0xc0 [ 24.719582] ? __pfx_kthread+0x10/0x10 [ 24.719602] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.719623] ? calculate_sigpending+0x7b/0xa0 [ 24.719647] ? __pfx_kthread+0x10/0x10 [ 24.719668] ret_from_fork+0x116/0x1d0 [ 24.719687] ? __pfx_kthread+0x10/0x10 [ 24.719719] ret_from_fork_asm+0x1a/0x30 [ 24.719750] </TASK> [ 24.719762] [ 24.727602] Allocated by task 257: [ 24.727778] kasan_save_stack+0x45/0x70 [ 24.728127] kasan_save_track+0x18/0x40 [ 24.728535] kasan_save_alloc_info+0x3b/0x50 [ 24.728813] __kasan_slab_alloc+0x91/0xa0 [ 24.729234] kmem_cache_alloc_noprof+0x123/0x3f0 [ 24.729716] kmem_cache_oob+0x157/0x530 [ 24.730830] kunit_try_run_case+0x1a5/0x480 [ 24.731459] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.732132] kthread+0x337/0x6f0 [ 24.732283] ret_from_fork+0x116/0x1d0 [ 24.732415] ret_from_fork_asm+0x1a/0x30 [ 24.732550] [ 24.732616] The buggy address belongs to the object at ffff8881050b2000 [ 24.732616] which belongs to the cache test_cache of size 200 [ 24.734344] The buggy address is located 0 bytes to the right of [ 24.734344] allocated 200-byte region [ffff8881050b2000, ffff8881050b20c8) [ 24.736059] [ 24.736452] The buggy address belongs to the physical page: [ 24.737158] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1050b2 [ 24.737758] flags: 0x200000000000000(node=0|zone=2) [ 24.738535] page_type: f5(slab) [ 24.739013] raw: 0200000000000000 ffff8881017ad640 dead000000000122 0000000000000000 [ 24.739365] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 24.739717] page dumped because: kasan: bad access detected [ 24.740199] [ 24.740303] Memory state around the buggy address: [ 24.740527] ffff8881050b1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.740830] ffff8881050b2000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.741435] >ffff8881050b2080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 24.741751] ^ [ 24.742113] ffff8881050b2100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.742397] ffff8881050b2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.742710] ==================================================================