Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.695642] ================================================================== [ 19.696206] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 19.696329] Read of size 1 at addr fff00000c792e0c8 by task kunit_try_catch/208 [ 19.696561] [ 19.696646] CPU: 0 UID: 0 PID: 208 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.697321] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.697410] Hardware name: linux,dummy-virt (DT) [ 19.697499] Call trace: [ 19.697619] show_stack+0x20/0x38 (C) [ 19.697734] dump_stack_lvl+0x8c/0xd0 [ 19.698274] print_report+0x118/0x608 [ 19.698830] kasan_report+0xdc/0x128 [ 19.698998] __asan_report_load1_noabort+0x20/0x30 [ 19.699207] kmem_cache_oob+0x344/0x430 [ 19.699322] kunit_try_run_case+0x170/0x3f0 [ 19.699456] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.699574] kthread+0x328/0x630 [ 19.699742] ret_from_fork+0x10/0x20 [ 19.699858] [ 19.699906] Allocated by task 208: [ 19.699968] kasan_save_stack+0x3c/0x68 [ 19.700061] kasan_save_track+0x20/0x40 [ 19.700144] kasan_save_alloc_info+0x40/0x58 [ 19.700242] __kasan_slab_alloc+0xa8/0xb0 [ 19.700324] kmem_cache_alloc_noprof+0x10c/0x398 [ 19.701003] kmem_cache_oob+0x12c/0x430 [ 19.701205] kunit_try_run_case+0x170/0x3f0 [ 19.701299] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.701414] kthread+0x328/0x630 [ 19.701701] ret_from_fork+0x10/0x20 [ 19.701795] [ 19.701968] The buggy address belongs to the object at fff00000c792e000 [ 19.701968] which belongs to the cache test_cache of size 200 [ 19.702325] The buggy address is located 0 bytes to the right of [ 19.702325] allocated 200-byte region [fff00000c792e000, fff00000c792e0c8) [ 19.702509] [ 19.702553] The buggy address belongs to the physical page: [ 19.702608] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10792e [ 19.702722] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.702837] page_type: f5(slab) [ 19.702929] raw: 0bfffe0000000000 fff00000c1afa8c0 dead000000000122 0000000000000000 [ 19.703047] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.703678] page dumped because: kasan: bad access detected [ 19.703767] [ 19.704084] Memory state around the buggy address: [ 19.704478] fff00000c792df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.704704] fff00000c792e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.704821] >fff00000c792e080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.704913] ^ [ 19.704994] fff00000c792e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.705500] fff00000c792e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.705783] ==================================================================
[ 14.353988] ================================================================== [ 14.354594] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 14.355056] Read of size 1 at addr ffff8881038df0c8 by task kunit_try_catch/224 [ 14.355500] [ 14.355644] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 14.355767] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.355784] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.355844] Call Trace: [ 14.355888] <TASK> [ 14.355911] dump_stack_lvl+0x73/0xb0 [ 14.355951] print_report+0xd1/0x650 [ 14.355980] ? __virt_addr_valid+0x1db/0x2d0 [ 14.356015] ? kmem_cache_oob+0x402/0x530 [ 14.356048] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.356078] ? kmem_cache_oob+0x402/0x530 [ 14.356109] kasan_report+0x141/0x180 [ 14.356138] ? kmem_cache_oob+0x402/0x530 [ 14.356175] __asan_report_load1_noabort+0x18/0x20 [ 14.356207] kmem_cache_oob+0x402/0x530 [ 14.356236] ? trace_hardirqs_on+0x37/0xe0 [ 14.356308] ? __pfx_kmem_cache_oob+0x10/0x10 [ 14.356338] ? finish_task_switch.isra.0+0x153/0x700 [ 14.356368] ? __switch_to+0x47/0xf50 [ 14.356406] ? __pfx_read_tsc+0x10/0x10 [ 14.356437] ? ktime_get_ts64+0x86/0x230 [ 14.356470] kunit_try_run_case+0x1a5/0x480 [ 14.356503] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.356571] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.356604] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.356635] ? __kthread_parkme+0x82/0x180 [ 14.356673] ? preempt_count_sub+0x50/0x80 [ 14.356704] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.356735] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.356767] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.356816] kthread+0x337/0x6f0 [ 14.356842] ? trace_preempt_on+0x20/0xc0 [ 14.356871] ? __pfx_kthread+0x10/0x10 [ 14.356898] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.356926] ? calculate_sigpending+0x7b/0xa0 [ 14.356958] ? __pfx_kthread+0x10/0x10 [ 14.356986] ret_from_fork+0x116/0x1d0 [ 14.357011] ? __pfx_kthread+0x10/0x10 [ 14.357038] ret_from_fork_asm+0x1a/0x30 [ 14.357079] </TASK> [ 14.357093] [ 14.369407] Allocated by task 224: [ 14.369628] kasan_save_stack+0x45/0x70 [ 14.370437] kasan_save_track+0x18/0x40 [ 14.370789] kasan_save_alloc_info+0x3b/0x50 [ 14.371175] __kasan_slab_alloc+0x91/0xa0 [ 14.371523] kmem_cache_alloc_noprof+0x123/0x3f0 [ 14.371904] kmem_cache_oob+0x157/0x530 [ 14.372127] kunit_try_run_case+0x1a5/0x480 [ 14.372490] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.373065] kthread+0x337/0x6f0 [ 14.373264] ret_from_fork+0x116/0x1d0 [ 14.373665] ret_from_fork_asm+0x1a/0x30 [ 14.374031] [ 14.374242] The buggy address belongs to the object at ffff8881038df000 [ 14.374242] which belongs to the cache test_cache of size 200 [ 14.375166] The buggy address is located 0 bytes to the right of [ 14.375166] allocated 200-byte region [ffff8881038df000, ffff8881038df0c8) [ 14.376084] [ 14.376216] The buggy address belongs to the physical page: [ 14.376467] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038df [ 14.377262] flags: 0x200000000000000(node=0|zone=2) [ 14.377549] page_type: f5(slab) [ 14.377779] raw: 0200000000000000 ffff888101b9ba00 dead000000000122 0000000000000000 [ 14.378545] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 14.379213] page dumped because: kasan: bad access detected [ 14.379492] [ 14.379614] Memory state around the buggy address: [ 14.380191] ffff8881038def80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.380595] ffff8881038df000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.381234] >ffff8881038df080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 14.381688] ^ [ 14.382140] ffff8881038df100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.382469] ffff8881038df180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.382988] ==================================================================