Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.079320] ================================================================== [ 20.080031] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 20.080363] Read of size 1 at addr fff00000c6e280c8 by task kunit_try_catch/216 [ 20.080490] [ 20.080786] CPU: 0 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 20.081445] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.081506] Hardware name: linux,dummy-virt (DT) [ 20.081946] Call trace: [ 20.082004] show_stack+0x20/0x38 (C) [ 20.082090] dump_stack_lvl+0x8c/0xd0 [ 20.082151] print_report+0x118/0x608 [ 20.082246] kasan_report+0xdc/0x128 [ 20.082383] __asan_report_load1_noabort+0x20/0x30 [ 20.082569] kmem_cache_oob+0x344/0x430 [ 20.082702] kunit_try_run_case+0x170/0x3f0 [ 20.082849] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.082970] kthread+0x328/0x630 [ 20.083121] ret_from_fork+0x10/0x20 [ 20.083245] [ 20.083301] Allocated by task 216: [ 20.083387] kasan_save_stack+0x3c/0x68 [ 20.083469] kasan_save_track+0x20/0x40 [ 20.083555] kasan_save_alloc_info+0x40/0x58 [ 20.083646] __kasan_slab_alloc+0xa8/0xb0 [ 20.083733] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.083826] kmem_cache_oob+0x12c/0x430 [ 20.083916] kunit_try_run_case+0x170/0x3f0 [ 20.084005] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.084103] kthread+0x328/0x630 [ 20.084198] ret_from_fork+0x10/0x20 [ 20.084286] [ 20.084335] The buggy address belongs to the object at fff00000c6e28000 [ 20.084335] which belongs to the cache test_cache of size 200 [ 20.084475] The buggy address is located 0 bytes to the right of [ 20.084475] allocated 200-byte region [fff00000c6e28000, fff00000c6e280c8) [ 20.084621] [ 20.084669] The buggy address belongs to the physical page: [ 20.084741] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106e28 [ 20.084893] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.085007] page_type: f5(slab) [ 20.085106] raw: 0bfffe0000000000 fff00000c5c86c80 dead000000000122 0000000000000000 [ 20.085226] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.085336] page dumped because: kasan: bad access detected [ 20.085404] [ 20.085448] Memory state around the buggy address: [ 20.085536] fff00000c6e27f80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 20.085687] fff00000c6e28000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.085936] >fff00000c6e28080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.086046] ^ [ 20.086147] fff00000c6e28100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.086256] fff00000c6e28180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.086440] ==================================================================
[ 12.131237] ================================================================== [ 12.131727] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 12.131975] Read of size 1 at addr ffff888102a2c0c8 by task kunit_try_catch/232 [ 12.132189] [ 12.132275] CPU: 0 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 12.132324] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.132335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.132355] Call Trace: [ 12.132368] <TASK> [ 12.132387] dump_stack_lvl+0x73/0xb0 [ 12.132416] print_report+0xd1/0x650 [ 12.132438] ? __virt_addr_valid+0x1db/0x2d0 [ 12.132461] ? kmem_cache_oob+0x402/0x530 [ 12.132482] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.132502] ? kmem_cache_oob+0x402/0x530 [ 12.132523] kasan_report+0x141/0x180 [ 12.132543] ? kmem_cache_oob+0x402/0x530 [ 12.132568] __asan_report_load1_noabort+0x18/0x20 [ 12.132591] kmem_cache_oob+0x402/0x530 [ 12.132611] ? trace_hardirqs_on+0x37/0xe0 [ 12.132635] ? __pfx_kmem_cache_oob+0x10/0x10 [ 12.132656] ? finish_task_switch.isra.0+0x153/0x700 [ 12.132678] ? __switch_to+0x47/0xf50 [ 12.132705] ? __pfx_read_tsc+0x10/0x10 [ 12.132726] ? ktime_get_ts64+0x86/0x230 [ 12.132750] kunit_try_run_case+0x1a5/0x480 [ 12.132775] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.132795] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.132816] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.132837] ? __kthread_parkme+0x82/0x180 [ 12.132857] ? preempt_count_sub+0x50/0x80 [ 12.132878] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.132900] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.132921] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.132964] kthread+0x337/0x6f0 [ 12.132982] ? trace_preempt_on+0x20/0xc0 [ 12.133003] ? __pfx_kthread+0x10/0x10 [ 12.133022] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.133041] ? calculate_sigpending+0x7b/0xa0 [ 12.133065] ? __pfx_kthread+0x10/0x10 [ 12.133085] ret_from_fork+0x116/0x1d0 [ 12.133102] ? __pfx_kthread+0x10/0x10 [ 12.133121] ret_from_fork_asm+0x1a/0x30 [ 12.133150] </TASK> [ 12.133162] [ 12.145820] Allocated by task 232: [ 12.146038] kasan_save_stack+0x45/0x70 [ 12.146331] kasan_save_track+0x18/0x40 [ 12.146737] kasan_save_alloc_info+0x3b/0x50 [ 12.147054] __kasan_slab_alloc+0x91/0xa0 [ 12.147357] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.147785] kmem_cache_oob+0x157/0x530 [ 12.148082] kunit_try_run_case+0x1a5/0x480 [ 12.148304] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.148589] kthread+0x337/0x6f0 [ 12.149185] ret_from_fork+0x116/0x1d0 [ 12.149645] ret_from_fork_asm+0x1a/0x30 [ 12.149851] [ 12.149957] The buggy address belongs to the object at ffff888102a2c000 [ 12.149957] which belongs to the cache test_cache of size 200 [ 12.150833] The buggy address is located 0 bytes to the right of [ 12.150833] allocated 200-byte region [ffff888102a2c000, ffff888102a2c0c8) [ 12.151599] [ 12.151731] The buggy address belongs to the physical page: [ 12.152070] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a2c [ 12.152622] flags: 0x200000000000000(node=0|zone=2) [ 12.152989] page_type: f5(slab) [ 12.153280] raw: 0200000000000000 ffff888101d34500 dead000000000122 0000000000000000 [ 12.153771] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.154264] page dumped because: kasan: bad access detected [ 12.154666] [ 12.154763] Memory state around the buggy address: [ 12.155001] ffff888102a2bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.155376] ffff888102a2c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.155683] >ffff888102a2c080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.156072] ^ [ 12.156338] ffff888102a2c100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.156684] ffff888102a2c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.157051] ==================================================================