Date
July 15, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.478772] ================================================================== [ 18.478834] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 18.478894] Read of size 1 at addr fff00000c59e80c8 by task kunit_try_catch/209 [ 18.478945] [ 18.478981] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.15.7-rc1 #1 PREEMPT [ 18.479065] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.479092] Hardware name: linux,dummy-virt (DT) [ 18.479123] Call trace: [ 18.479147] show_stack+0x20/0x38 (C) [ 18.479572] dump_stack_lvl+0x8c/0xd0 [ 18.479642] print_report+0x118/0x5d0 [ 18.479690] kasan_report+0xdc/0x128 [ 18.480248] __asan_report_load1_noabort+0x20/0x30 [ 18.480302] kmem_cache_oob+0x344/0x430 [ 18.480384] kunit_try_run_case+0x170/0x3f0 [ 18.480435] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.480491] kthread+0x328/0x630 [ 18.480563] ret_from_fork+0x10/0x20 [ 18.481739] [ 18.481770] Allocated by task 209: [ 18.481802] kasan_save_stack+0x3c/0x68 [ 18.481848] kasan_save_track+0x20/0x40 [ 18.481886] kasan_save_alloc_info+0x40/0x58 [ 18.481926] __kasan_slab_alloc+0xa8/0xb0 [ 18.481963] kmem_cache_alloc_noprof+0x10c/0x398 [ 18.482002] kmem_cache_oob+0x12c/0x430 [ 18.482040] kunit_try_run_case+0x170/0x3f0 [ 18.482079] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.482126] kthread+0x328/0x630 [ 18.482160] ret_from_fork+0x10/0x20 [ 18.482196] [ 18.482229] The buggy address belongs to the object at fff00000c59e8000 [ 18.482229] which belongs to the cache test_cache of size 200 [ 18.482290] The buggy address is located 0 bytes to the right of [ 18.482290] allocated 200-byte region [fff00000c59e8000, fff00000c59e80c8) [ 18.482369] [ 18.482388] The buggy address belongs to the physical page: [ 18.482523] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059e8 [ 18.482617] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.482744] page_type: f5(slab) [ 18.482834] raw: 0bfffe0000000000 fff00000c1c3a8c0 dead000000000122 0000000000000000 [ 18.482922] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.483044] page dumped because: kasan: bad access detected [ 18.483124] [ 18.483228] Memory state around the buggy address: [ 18.483328] fff00000c59e7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.483461] fff00000c59e8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.483536] >fff00000c59e8080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.483578] ^ [ 18.483845] fff00000c59e8100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.484000] fff00000c59e8180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.484102] ==================================================================
[ 11.654339] ================================================================== [ 11.654842] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 11.655152] Read of size 1 at addr ffff8881022370c8 by task kunit_try_catch/226 [ 11.655436] [ 11.655545] CPU: 0 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.15.7-rc1 #1 PREEMPT(voluntary) [ 11.655588] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.655599] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.655617] Call Trace: [ 11.655629] <TASK> [ 11.655684] dump_stack_lvl+0x73/0xb0 [ 11.655710] print_report+0xd1/0x610 [ 11.655733] ? __virt_addr_valid+0x1db/0x2d0 [ 11.655753] ? kmem_cache_oob+0x402/0x530 [ 11.655770] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.655791] ? kmem_cache_oob+0x402/0x530 [ 11.655809] kasan_report+0x141/0x180 [ 11.655831] ? kmem_cache_oob+0x402/0x530 [ 11.655854] __asan_report_load1_noabort+0x18/0x20 [ 11.655873] kmem_cache_oob+0x402/0x530 [ 11.655900] ? trace_hardirqs_on+0x37/0xe0 [ 11.655923] ? __pfx_kmem_cache_oob+0x10/0x10 [ 11.655941] ? finish_task_switch.isra.0+0x153/0x700 [ 11.655993] ? __switch_to+0x5d9/0xf60 [ 11.656036] ? dequeue_task_fair+0x166/0x4e0 [ 11.656063] ? __pfx_read_tsc+0x10/0x10 [ 11.656082] ? ktime_get_ts64+0x86/0x230 [ 11.656107] kunit_try_run_case+0x1a5/0x480 [ 11.656127] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.656146] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.656171] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.656193] ? __kthread_parkme+0x82/0x180 [ 11.656214] ? preempt_count_sub+0x50/0x80 [ 11.656237] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.656256] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.656279] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.656301] kthread+0x337/0x6f0 [ 11.656317] ? trace_preempt_on+0x20/0xc0 [ 11.656338] ? __pfx_kthread+0x10/0x10 [ 11.656354] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.656375] ? calculate_sigpending+0x7b/0xa0 [ 11.656396] ? __pfx_kthread+0x10/0x10 [ 11.656413] ret_from_fork+0x41/0x80 [ 11.656433] ? __pfx_kthread+0x10/0x10 [ 11.656449] ret_from_fork_asm+0x1a/0x30 [ 11.656478] </TASK> [ 11.656488] [ 11.666681] Allocated by task 226: [ 11.666915] kasan_save_stack+0x45/0x70 [ 11.667391] kasan_save_track+0x18/0x40 [ 11.667574] kasan_save_alloc_info+0x3b/0x50 [ 11.667939] __kasan_slab_alloc+0x91/0xa0 [ 11.668122] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.668319] kmem_cache_oob+0x157/0x530 [ 11.668508] kunit_try_run_case+0x1a5/0x480 [ 11.668694] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.669387] kthread+0x337/0x6f0 [ 11.669522] ret_from_fork+0x41/0x80 [ 11.669696] ret_from_fork_asm+0x1a/0x30 [ 11.669952] [ 11.670066] The buggy address belongs to the object at ffff888102237000 [ 11.670066] which belongs to the cache test_cache of size 200 [ 11.670503] The buggy address is located 0 bytes to the right of [ 11.670503] allocated 200-byte region [ffff888102237000, ffff8881022370c8) [ 11.671537] [ 11.671645] The buggy address belongs to the physical page: [ 11.671938] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102237 [ 11.672545] flags: 0x200000000000000(node=0|zone=2) [ 11.672872] page_type: f5(slab) [ 11.673040] raw: 0200000000000000 ffff8881019493c0 dead000000000122 0000000000000000 [ 11.673353] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.673649] page dumped because: kasan: bad access detected [ 11.674205] [ 11.674298] Memory state around the buggy address: [ 11.674484] ffff888102236f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.674816] ffff888102237000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.675130] >ffff888102237080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.675413] ^ [ 11.675634] ffff888102237100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.676095] ffff888102237180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.676409] ==================================================================