Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.743217] ================================================================== [ 23.744375] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x33c/0x428 [ 23.745117] Read of size 1 at addr fff00000c64f60c8 by task kunit_try_catch/196 [ 23.746442] [ 23.747013] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 23.747227] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.747298] Hardware name: linux,dummy-virt (DT) [ 23.747433] Call trace: [ 23.747489] show_stack+0x20/0x38 (C) [ 23.747609] dump_stack_lvl+0x8c/0xd0 [ 23.747726] print_report+0x118/0x608 [ 23.747846] kasan_report+0xdc/0x128 [ 23.748021] __asan_report_load1_noabort+0x20/0x30 [ 23.748165] kmem_cache_oob+0x33c/0x428 [ 23.748285] kunit_try_run_case+0x170/0x3f0 [ 23.748355] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.748421] kthread+0x318/0x620 [ 23.748478] ret_from_fork+0x10/0x20 [ 23.748539] [ 23.755354] Allocated by task 196: [ 23.755776] kasan_save_stack+0x3c/0x68 [ 23.756259] kasan_save_track+0x20/0x40 [ 23.756791] kasan_save_alloc_info+0x40/0x58 [ 23.757356] __kasan_slab_alloc+0xa8/0xb0 [ 23.757877] kmem_cache_alloc_noprof+0x10c/0x398 [ 23.758463] kmem_cache_oob+0x12c/0x428 [ 23.758940] kunit_try_run_case+0x170/0x3f0 [ 23.759501] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.760205] kthread+0x318/0x620 [ 23.760734] ret_from_fork+0x10/0x20 [ 23.761256] [ 23.761552] The buggy address belongs to the object at fff00000c64f6000 [ 23.761552] which belongs to the cache test_cache of size 200 [ 23.762723] The buggy address is located 0 bytes to the right of [ 23.762723] allocated 200-byte region [fff00000c64f6000, fff00000c64f60c8) [ 23.763732] [ 23.764059] The buggy address belongs to the physical page: [ 23.764658] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064f6 [ 23.765413] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.766014] page_type: f5(slab) [ 23.766509] raw: 0bfffe0000000000 fff00000c1bcab40 dead000000000122 0000000000000000 [ 23.767303] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 23.768020] page dumped because: kasan: bad access detected [ 23.768544] [ 23.768832] Memory state around the buggy address: [ 23.769423] fff00000c64f5f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.770139] fff00000c64f6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.770912] >fff00000c64f6080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 23.771698] ^ [ 23.772282] fff00000c64f6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.773050] fff00000c64f6180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.773807] ==================================================================
[ 18.549798] ================================================================== [ 18.550413] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x404/0x530 [ 18.551084] Read of size 1 at addr ffff8881029850c8 by task kunit_try_catch/215 [ 18.551463] [ 18.551637] CPU: 1 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 18.551755] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.551788] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.551828] Call Trace: [ 18.551849] <TASK> [ 18.552024] dump_stack_lvl+0x73/0xb0 [ 18.552133] print_report+0xd1/0x650 [ 18.552184] ? __virt_addr_valid+0x1db/0x2d0 [ 18.552233] ? kmem_cache_oob+0x404/0x530 [ 18.552287] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.552391] ? kmem_cache_oob+0x404/0x530 [ 18.552445] kasan_report+0x140/0x180 [ 18.552492] ? kmem_cache_oob+0x404/0x530 [ 18.552549] __asan_report_load1_noabort+0x18/0x20 [ 18.552607] kmem_cache_oob+0x404/0x530 [ 18.552661] ? trace_hardirqs_on+0x37/0xe0 [ 18.552727] ? __pfx_kmem_cache_oob+0x10/0x10 [ 18.552783] ? finish_task_switch.isra.0+0x153/0x700 [ 18.552842] ? __switch_to+0x5d9/0xf60 [ 18.552936] ? __pfx_read_tsc+0x10/0x10 [ 18.552994] ? ktime_get_ts64+0x86/0x230 [ 18.553046] kunit_try_run_case+0x1a6/0x480 [ 18.553093] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.553130] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 18.553175] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.553218] ? __kthread_parkme+0x82/0x160 [ 18.553260] ? preempt_count_sub+0x50/0x80 [ 18.553291] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.553346] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.553381] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.553414] kthread+0x324/0x6e0 [ 18.553452] ? trace_preempt_on+0x20/0xc0 [ 18.553498] ? __pfx_kthread+0x10/0x10 [ 18.553540] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.553569] ? calculate_sigpending+0x7b/0xa0 [ 18.553598] ? __pfx_kthread+0x10/0x10 [ 18.553626] ret_from_fork+0x41/0x80 [ 18.553651] ? __pfx_kthread+0x10/0x10 [ 18.553679] ret_from_fork_asm+0x1a/0x30 [ 18.553720] </TASK> [ 18.553735] [ 18.569317] Allocated by task 215: [ 18.570364] kasan_save_stack+0x45/0x70 [ 18.571395] kasan_save_track+0x18/0x40 [ 18.572004] kasan_save_alloc_info+0x3b/0x50 [ 18.572480] __kasan_slab_alloc+0x91/0xa0 [ 18.572703] kmem_cache_alloc_noprof+0x124/0x400 [ 18.573189] kmem_cache_oob+0x158/0x530 [ 18.573512] kunit_try_run_case+0x1a6/0x480 [ 18.573771] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.574709] kthread+0x324/0x6e0 [ 18.574963] ret_from_fork+0x41/0x80 [ 18.575328] ret_from_fork_asm+0x1a/0x30 [ 18.575940] [ 18.576155] The buggy address belongs to the object at ffff888102985000 [ 18.576155] which belongs to the cache test_cache of size 200 [ 18.577825] The buggy address is located 0 bytes to the right of [ 18.577825] allocated 200-byte region [ffff888102985000, ffff8881029850c8) [ 18.578943] [ 18.579086] The buggy address belongs to the physical page: [ 18.579444] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102985 [ 18.580826] flags: 0x200000000000000(node=0|zone=2) [ 18.581467] page_type: f5(slab) [ 18.582017] raw: 0200000000000000 ffff888101da9500 dead000000000122 0000000000000000 [ 18.582293] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.582985] page dumped because: kasan: bad access detected [ 18.583481] [ 18.583647] Memory state around the buggy address: [ 18.584059] ffff888102984f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.584637] ffff888102985000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.585848] >ffff888102985080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.586376] ^ [ 18.586966] ffff888102985100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.587974] ffff888102985180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.588366] ==================================================================