Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.057789] ================================================================== [ 16.058339] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 16.058408] Read of size 1 at addr fff00000c78a70c8 by task kunit_try_catch/210 [ 16.058489] [ 16.058538] CPU: 1 UID: 0 PID: 210 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 16.058623] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.058650] Hardware name: linux,dummy-virt (DT) [ 16.058684] Call trace: [ 16.058710] show_stack+0x20/0x38 (C) [ 16.058763] dump_stack_lvl+0x8c/0xd0 [ 16.058860] print_report+0x118/0x608 [ 16.058906] kasan_report+0xdc/0x128 [ 16.059020] __asan_report_load1_noabort+0x20/0x30 [ 16.059070] kmem_cache_oob+0x344/0x430 [ 16.059118] kunit_try_run_case+0x170/0x3f0 [ 16.059167] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.059220] kthread+0x328/0x630 [ 16.059290] ret_from_fork+0x10/0x20 [ 16.059336] [ 16.059354] Allocated by task 210: [ 16.059383] kasan_save_stack+0x3c/0x68 [ 16.059423] kasan_save_track+0x20/0x40 [ 16.059458] kasan_save_alloc_info+0x40/0x58 [ 16.059495] __kasan_slab_alloc+0xa8/0xb0 [ 16.059529] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.059570] kmem_cache_oob+0x12c/0x430 [ 16.059606] kunit_try_run_case+0x170/0x3f0 [ 16.059644] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.059814] kthread+0x328/0x630 [ 16.059868] ret_from_fork+0x10/0x20 [ 16.059966] [ 16.060028] The buggy address belongs to the object at fff00000c78a7000 [ 16.060028] which belongs to the cache test_cache of size 200 [ 16.060095] The buggy address is located 0 bytes to the right of [ 16.060095] allocated 200-byte region [fff00000c78a7000, fff00000c78a70c8) [ 16.060163] [ 16.060518] The buggy address belongs to the physical page: [ 16.060658] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078a7 [ 16.060768] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.060842] page_type: f5(slab) [ 16.060883] raw: 0bfffe0000000000 fff00000c114bdc0 dead000000000122 0000000000000000 [ 16.060933] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.060981] page dumped because: kasan: bad access detected [ 16.061012] [ 16.061029] Memory state around the buggy address: [ 16.061061] fff00000c78a6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.061105] fff00000c78a7000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.061165] >fff00000c78a7080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.061204] ^ [ 16.061239] fff00000c78a7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.061281] fff00000c78a7180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.061319] ==================================================================
[ 11.802842] ================================================================== [ 11.803324] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 11.803852] Read of size 1 at addr ffff888102dd70c8 by task kunit_try_catch/226 [ 11.804406] [ 11.804531] CPU: 1 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.804578] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.804590] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.804611] Call Trace: [ 11.804623] <TASK> [ 11.804641] dump_stack_lvl+0x73/0xb0 [ 11.804667] print_report+0xd1/0x650 [ 11.804690] ? __virt_addr_valid+0x1db/0x2d0 [ 11.804713] ? kmem_cache_oob+0x402/0x530 [ 11.804731] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.804754] ? kmem_cache_oob+0x402/0x530 [ 11.804774] kasan_report+0x141/0x180 [ 11.804797] ? kmem_cache_oob+0x402/0x530 [ 11.804821] __asan_report_load1_noabort+0x18/0x20 [ 11.804842] kmem_cache_oob+0x402/0x530 [ 11.804860] ? trace_hardirqs_on+0x37/0xe0 [ 11.804883] ? __pfx_kmem_cache_oob+0x10/0x10 [ 11.804902] ? finish_task_switch.isra.0+0x153/0x700 [ 11.804926] ? __switch_to+0x5d9/0xf60 [ 11.804969] ? dequeue_task_fair+0x166/0x4e0 [ 11.804996] ? __pfx_read_tsc+0x10/0x10 [ 11.805015] ? ktime_get_ts64+0x86/0x230 [ 11.805041] kunit_try_run_case+0x1a5/0x480 [ 11.805066] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.805088] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.805113] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.805136] ? __kthread_parkme+0x82/0x180 [ 11.805158] ? preempt_count_sub+0x50/0x80 [ 11.805182] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.805205] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.805227] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.805261] kthread+0x337/0x6f0 [ 11.805298] ? trace_preempt_on+0x20/0xc0 [ 11.805320] ? __pfx_kthread+0x10/0x10 [ 11.805338] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.805360] ? calculate_sigpending+0x7b/0xa0 [ 11.805382] ? __pfx_kthread+0x10/0x10 [ 11.805399] ret_from_fork+0x41/0x80 [ 11.805420] ? __pfx_kthread+0x10/0x10 [ 11.805438] ret_from_fork_asm+0x1a/0x30 [ 11.805468] </TASK> [ 11.805479] [ 11.817029] Allocated by task 226: [ 11.817221] kasan_save_stack+0x45/0x70 [ 11.817650] kasan_save_track+0x18/0x40 [ 11.818011] kasan_save_alloc_info+0x3b/0x50 [ 11.818319] __kasan_slab_alloc+0x91/0xa0 [ 11.818613] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.818828] kmem_cache_oob+0x157/0x530 [ 11.819151] kunit_try_run_case+0x1a5/0x480 [ 11.819442] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.819860] kthread+0x337/0x6f0 [ 11.820017] ret_from_fork+0x41/0x80 [ 11.820299] ret_from_fork_asm+0x1a/0x30 [ 11.820529] [ 11.820689] The buggy address belongs to the object at ffff888102dd7000 [ 11.820689] which belongs to the cache test_cache of size 200 [ 11.821189] The buggy address is located 0 bytes to the right of [ 11.821189] allocated 200-byte region [ffff888102dd7000, ffff888102dd70c8) [ 11.822076] [ 11.822159] The buggy address belongs to the physical page: [ 11.822457] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102dd7 [ 11.823017] flags: 0x200000000000000(node=0|zone=2) [ 11.823489] page_type: f5(slab) [ 11.823685] raw: 0200000000000000 ffff888101ac5280 dead000000000122 0000000000000000 [ 11.823978] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.824507] page dumped because: kasan: bad access detected [ 11.824793] [ 11.824886] Memory state around the buggy address: [ 11.825067] ffff888102dd6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.825720] ffff888102dd7000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.826165] >ffff888102dd7080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.826498] ^ [ 11.826904] ffff888102dd7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.827347] ffff888102dd7180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.827764] ==================================================================