Date
June 5, 2025, 7:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.001872] ================================================================== [ 26.004151] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 26.004398] Read of size 1 at addr fff00000c77970c8 by task kunit_try_catch/207 [ 26.004664] [ 26.004787] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 26.005222] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.005357] Hardware name: linux,dummy-virt (DT) [ 26.005655] Call trace: [ 26.005717] show_stack+0x20/0x38 (C) [ 26.005919] dump_stack_lvl+0x8c/0xd0 [ 26.006161] print_report+0x118/0x608 [ 26.006291] kasan_report+0xdc/0x128 [ 26.006847] __asan_report_load1_noabort+0x20/0x30 [ 26.007005] kmem_cache_oob+0x344/0x430 [ 26.007298] kunit_try_run_case+0x170/0x3f0 [ 26.007747] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.007959] kthread+0x328/0x630 [ 26.008180] ret_from_fork+0x10/0x20 [ 26.008346] [ 26.008398] Allocated by task 207: [ 26.008470] kasan_save_stack+0x3c/0x68 [ 26.009197] kasan_save_track+0x20/0x40 [ 26.009341] kasan_save_alloc_info+0x40/0x58 [ 26.009698] __kasan_slab_alloc+0xa8/0xb0 [ 26.009895] kmem_cache_alloc_noprof+0x10c/0x398 [ 26.010057] kmem_cache_oob+0x12c/0x430 [ 26.010304] kunit_try_run_case+0x170/0x3f0 [ 26.010433] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.011058] kthread+0x328/0x630 [ 26.011769] ret_from_fork+0x10/0x20 [ 26.011935] [ 26.011983] The buggy address belongs to the object at fff00000c7797000 [ 26.011983] which belongs to the cache test_cache of size 200 [ 26.012187] The buggy address is located 0 bytes to the right of [ 26.012187] allocated 200-byte region [fff00000c7797000, fff00000c77970c8) [ 26.013480] [ 26.013538] The buggy address belongs to the physical page: [ 26.014001] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107797 [ 26.014209] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.014992] page_type: f5(slab) [ 26.015436] raw: 0bfffe0000000000 fff00000c11a6a00 dead000000000122 0000000000000000 [ 26.016094] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 26.016703] page dumped because: kasan: bad access detected [ 26.016789] [ 26.017038] Memory state around the buggy address: [ 26.017139] fff00000c7796f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.017964] fff00000c7797000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.018575] >fff00000c7797080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.018704] ^ [ 26.019197] fff00000c7797100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.019312] fff00000c7797180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.020167] ==================================================================
[ 12.055856] ================================================================== [ 12.056409] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 12.057509] Read of size 1 at addr ffff888102b3f0c8 by task kunit_try_catch/224 [ 12.058733] [ 12.059274] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 12.059325] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.059337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.059359] Call Trace: [ 12.059371] <TASK> [ 12.059388] dump_stack_lvl+0x73/0xb0 [ 12.059417] print_report+0xd1/0x650 [ 12.059439] ? __virt_addr_valid+0x1db/0x2d0 [ 12.059462] ? kmem_cache_oob+0x402/0x530 [ 12.059484] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.059506] ? kmem_cache_oob+0x402/0x530 [ 12.059528] kasan_report+0x141/0x180 [ 12.059549] ? kmem_cache_oob+0x402/0x530 [ 12.059576] __asan_report_load1_noabort+0x18/0x20 [ 12.059599] kmem_cache_oob+0x402/0x530 [ 12.059627] ? trace_hardirqs_on+0x37/0xe0 [ 12.059651] ? __pfx_kmem_cache_oob+0x10/0x10 [ 12.059673] ? finish_task_switch.isra.0+0x153/0x700 [ 12.059694] ? __switch_to+0x47/0xf50 [ 12.059723] ? __pfx_read_tsc+0x10/0x10 [ 12.059743] ? ktime_get_ts64+0x86/0x230 [ 12.059767] kunit_try_run_case+0x1a5/0x480 [ 12.059789] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.059808] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.059833] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.059857] ? __kthread_parkme+0x82/0x180 [ 12.059876] ? preempt_count_sub+0x50/0x80 [ 12.059907] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.059927] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.059951] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.059974] kthread+0x337/0x6f0 [ 12.059993] ? trace_preempt_on+0x20/0xc0 [ 12.060013] ? __pfx_kthread+0x10/0x10 [ 12.060033] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.060054] ? calculate_sigpending+0x7b/0xa0 [ 12.060078] ? __pfx_kthread+0x10/0x10 [ 12.060098] ret_from_fork+0x116/0x1d0 [ 12.060116] ? __pfx_kthread+0x10/0x10 [ 12.060136] ret_from_fork_asm+0x1a/0x30 [ 12.060166] </TASK> [ 12.060176] [ 12.073367] Allocated by task 224: [ 12.073536] kasan_save_stack+0x45/0x70 [ 12.073967] kasan_save_track+0x18/0x40 [ 12.074307] kasan_save_alloc_info+0x3b/0x50 [ 12.074504] __kasan_slab_alloc+0x91/0xa0 [ 12.075024] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.075251] kmem_cache_oob+0x157/0x530 [ 12.075431] kunit_try_run_case+0x1a5/0x480 [ 12.075618] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.075841] kthread+0x337/0x6f0 [ 12.076345] ret_from_fork+0x116/0x1d0 [ 12.076550] ret_from_fork_asm+0x1a/0x30 [ 12.076795] [ 12.076866] The buggy address belongs to the object at ffff888102b3f000 [ 12.076866] which belongs to the cache test_cache of size 200 [ 12.077613] The buggy address is located 0 bytes to the right of [ 12.077613] allocated 200-byte region [ffff888102b3f000, ffff888102b3f0c8) [ 12.078254] [ 12.078360] The buggy address belongs to the physical page: [ 12.078603] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b3f [ 12.078956] flags: 0x200000000000000(node=0|zone=2) [ 12.079199] page_type: f5(slab) [ 12.079428] raw: 0200000000000000 ffff888101b4c8c0 dead000000000122 0000000000000000 [ 12.079771] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.080279] page dumped because: kasan: bad access detected [ 12.080469] [ 12.080563] Memory state around the buggy address: [ 12.080884] ffff888102b3ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.081288] ffff888102b3f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.081588] >ffff888102b3f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.081934] ^ [ 12.082239] ffff888102b3f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.082539] ffff888102b3f180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.082859] ==================================================================