Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.008065] ================================================================== [ 18.008167] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 18.008229] Read of size 1 at addr fff00000c77910c8 by task kunit_try_catch/207 [ 18.008281] [ 18.008350] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5 #1 PREEMPT [ 18.008490] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 18.008522] Hardware name: linux,dummy-virt (DT) [ 18.008561] Call trace: [ 18.008618] show_stack+0x20/0x38 (C) [ 18.008669] dump_stack_lvl+0x8c/0xd0 [ 18.008738] print_report+0x118/0x608 [ 18.008789] kasan_report+0xdc/0x128 [ 18.008903] __asan_report_load1_noabort+0x20/0x30 [ 18.008957] kmem_cache_oob+0x344/0x430 [ 18.009048] kunit_try_run_case+0x170/0x3f0 [ 18.009417] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.009489] kthread+0x328/0x630 [ 18.009570] ret_from_fork+0x10/0x20 [ 18.009758] [ 18.009799] Allocated by task 207: [ 18.009861] kasan_save_stack+0x3c/0x68 [ 18.010038] kasan_save_track+0x20/0x40 [ 18.010131] kasan_save_alloc_info+0x40/0x58 [ 18.010240] __kasan_slab_alloc+0xa8/0xb0 [ 18.010300] kmem_cache_alloc_noprof+0x10c/0x398 [ 18.010342] kmem_cache_oob+0x12c/0x430 [ 18.010729] kunit_try_run_case+0x170/0x3f0 [ 18.010882] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.011094] kthread+0x328/0x630 [ 18.011142] ret_from_fork+0x10/0x20 [ 18.011276] [ 18.011367] The buggy address belongs to the object at fff00000c7791000 [ 18.011367] which belongs to the cache test_cache of size 200 [ 18.011510] The buggy address is located 0 bytes to the right of [ 18.011510] allocated 200-byte region [fff00000c7791000, fff00000c77910c8) [ 18.011597] [ 18.011618] The buggy address belongs to the physical page: [ 18.011695] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107791 [ 18.011985] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.012157] page_type: f5(slab) [ 18.012376] raw: 0bfffe0000000000 fff00000c1ba2280 dead000000000122 0000000000000000 [ 18.012626] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.012697] page dumped because: kasan: bad access detected [ 18.012740] [ 18.012865] Memory state around the buggy address: [ 18.012899] fff00000c7790f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.012976] fff00000c7791000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.013442] >fff00000c7791080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.013788] ^ [ 18.014068] fff00000c7791100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.014184] fff00000c7791180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.014226] ==================================================================
[ 13.419142] ================================================================== [ 13.419577] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.419943] Read of size 1 at addr ffff88810395a0c8 by task kunit_try_catch/224 [ 13.420309] [ 13.420424] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.420473] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.420483] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.420504] Call Trace: [ 13.420517] <TASK> [ 13.420535] dump_stack_lvl+0x73/0xb0 [ 13.420567] print_report+0xd1/0x650 [ 13.420591] ? __virt_addr_valid+0x1db/0x2d0 [ 13.420629] ? kmem_cache_oob+0x402/0x530 [ 13.420651] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.420674] ? kmem_cache_oob+0x402/0x530 [ 13.420697] kasan_report+0x141/0x180 [ 13.420718] ? kmem_cache_oob+0x402/0x530 [ 13.420745] __asan_report_load1_noabort+0x18/0x20 [ 13.420769] kmem_cache_oob+0x402/0x530 [ 13.420800] ? trace_hardirqs_on+0x37/0xe0 [ 13.420908] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.420936] ? finish_task_switch.isra.0+0x153/0x700 [ 13.420960] ? __switch_to+0x47/0xf50 [ 13.420988] ? __pfx_read_tsc+0x10/0x10 [ 13.421010] ? ktime_get_ts64+0x86/0x230 [ 13.421036] kunit_try_run_case+0x1a5/0x480 [ 13.421062] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.421085] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.421110] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.421134] ? __kthread_parkme+0x82/0x180 [ 13.421158] ? preempt_count_sub+0x50/0x80 [ 13.421181] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.421208] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.421233] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.421257] kthread+0x337/0x6f0 [ 13.421276] ? trace_preempt_on+0x20/0xc0 [ 13.421299] ? __pfx_kthread+0x10/0x10 [ 13.421320] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.421341] ? calculate_sigpending+0x7b/0xa0 [ 13.421365] ? __pfx_kthread+0x10/0x10 [ 13.421386] ret_from_fork+0x116/0x1d0 [ 13.421404] ? __pfx_kthread+0x10/0x10 [ 13.421424] ret_from_fork_asm+0x1a/0x30 [ 13.421455] </TASK> [ 13.421465] [ 13.429663] Allocated by task 224: [ 13.429801] kasan_save_stack+0x45/0x70 [ 13.429950] kasan_save_track+0x18/0x40 [ 13.430146] kasan_save_alloc_info+0x3b/0x50 [ 13.430535] __kasan_slab_alloc+0x91/0xa0 [ 13.430754] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.431097] kmem_cache_oob+0x157/0x530 [ 13.431239] kunit_try_run_case+0x1a5/0x480 [ 13.431425] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.431696] kthread+0x337/0x6f0 [ 13.431943] ret_from_fork+0x116/0x1d0 [ 13.432141] ret_from_fork_asm+0x1a/0x30 [ 13.432333] [ 13.432419] The buggy address belongs to the object at ffff88810395a000 [ 13.432419] which belongs to the cache test_cache of size 200 [ 13.432821] The buggy address is located 0 bytes to the right of [ 13.432821] allocated 200-byte region [ffff88810395a000, ffff88810395a0c8) [ 13.433306] [ 13.433403] The buggy address belongs to the physical page: [ 13.433778] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10395a [ 13.434068] flags: 0x200000000000000(node=0|zone=2) [ 13.434234] page_type: f5(slab) [ 13.434356] raw: 0200000000000000 ffff8881018c9c80 dead000000000122 0000000000000000 [ 13.434699] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.435140] page dumped because: kasan: bad access detected [ 13.435398] [ 13.435491] Memory state around the buggy address: [ 13.435682] ffff888103959f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.437504] ffff88810395a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.438030] >ffff88810395a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.438258] ^ [ 13.438442] ffff88810395a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.438673] ffff88810395a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.438902] ==================================================================