Date
July 25, 2025, 3:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.961666] ================================================================== [ 32.961729] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 32.961793] Read of size 1 at addr fff00000c9ae10c8 by task kunit_try_catch/239 [ 32.962909] [ 32.962985] CPU: 1 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 32.963198] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 32.963231] Hardware name: linux,dummy-virt (DT) [ 32.963663] Call trace: [ 32.963698] show_stack+0x20/0x38 (C) [ 32.963906] dump_stack_lvl+0x8c/0xd0 [ 32.964037] print_report+0x118/0x5e8 [ 32.964162] kasan_report+0xdc/0x128 [ 32.964293] __asan_report_load1_noabort+0x20/0x30 [ 32.964357] kmem_cache_oob+0x344/0x430 [ 32.964427] kunit_try_run_case+0x170/0x3f0 [ 32.964819] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.964952] kthread+0x328/0x630 [ 32.965136] ret_from_fork+0x10/0x20 [ 32.965244] [ 32.965599] Allocated by task 239: [ 32.965708] kasan_save_stack+0x3c/0x68 [ 32.966068] kasan_save_track+0x20/0x40 [ 32.966227] kasan_save_alloc_info+0x40/0x58 [ 32.966334] __kasan_slab_alloc+0xa8/0xb0 [ 32.966514] kmem_cache_alloc_noprof+0x10c/0x398 [ 32.966788] kmem_cache_oob+0x12c/0x430 [ 32.967010] kunit_try_run_case+0x170/0x3f0 [ 32.967171] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.967290] kthread+0x328/0x630 [ 32.967542] ret_from_fork+0x10/0x20 [ 32.967826] [ 32.967895] The buggy address belongs to the object at fff00000c9ae1000 [ 32.967895] which belongs to the cache test_cache of size 200 [ 32.968021] The buggy address is located 0 bytes to the right of [ 32.968021] allocated 200-byte region [fff00000c9ae1000, fff00000c9ae10c8) [ 32.968148] [ 32.968303] The buggy address belongs to the physical page: [ 32.968559] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ae1 [ 32.968743] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.969106] page_type: f5(slab) [ 32.969260] raw: 0bfffe0000000000 fff00000c56bc780 dead000000000122 0000000000000000 [ 32.969584] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 32.969778] page dumped because: kasan: bad access detected [ 32.970056] [ 32.970135] Memory state around the buggy address: [ 32.970455] fff00000c9ae0f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.970716] fff00000c9ae1000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.970796] >fff00000c9ae1080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 32.970930] ^ [ 32.971126] fff00000c9ae1100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.971343] fff00000c9ae1180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.971427] ==================================================================
[ 26.432066] ================================================================== [ 26.432485] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 26.432738] Read of size 1 at addr ffff8881062570c8 by task kunit_try_catch/256 [ 26.433121] [ 26.433292] CPU: 1 UID: 0 PID: 256 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 26.433346] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.433370] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.433392] Call Trace: [ 26.433406] <TASK> [ 26.433424] dump_stack_lvl+0x73/0xb0 [ 26.433469] print_report+0xd1/0x640 [ 26.433492] ? __virt_addr_valid+0x1db/0x2d0 [ 26.433518] ? kmem_cache_oob+0x402/0x530 [ 26.433540] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.433567] ? kmem_cache_oob+0x402/0x530 [ 26.433590] kasan_report+0x141/0x180 [ 26.433623] ? kmem_cache_oob+0x402/0x530 [ 26.433651] __asan_report_load1_noabort+0x18/0x20 [ 26.433687] kmem_cache_oob+0x402/0x530 [ 26.433709] ? trace_hardirqs_on+0x37/0xe0 [ 26.433734] ? __pfx_kmem_cache_oob+0x10/0x10 [ 26.433757] ? finish_task_switch.isra.0+0x153/0x700 [ 26.433823] ? __switch_to+0x47/0xf80 [ 26.433856] ? __pfx_read_tsc+0x10/0x10 [ 26.433890] ? ktime_get_ts64+0x86/0x230 [ 26.433915] kunit_try_run_case+0x1a5/0x480 [ 26.433958] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.433982] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.434006] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.434033] ? __kthread_parkme+0x82/0x180 [ 26.434053] ? preempt_count_sub+0x50/0x80 [ 26.434077] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.434111] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.434135] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.434160] kthread+0x337/0x6f0 [ 26.434191] ? trace_preempt_on+0x20/0xc0 [ 26.434224] ? __pfx_kthread+0x10/0x10 [ 26.434245] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.434269] ? calculate_sigpending+0x7b/0xa0 [ 26.434294] ? __pfx_kthread+0x10/0x10 [ 26.434316] ret_from_fork+0x116/0x1d0 [ 26.434336] ? __pfx_kthread+0x10/0x10 [ 26.434357] ret_from_fork_asm+0x1a/0x30 [ 26.434389] </TASK> [ 26.434401] [ 26.442691] Allocated by task 256: [ 26.442871] kasan_save_stack+0x45/0x70 [ 26.443138] kasan_save_track+0x18/0x40 [ 26.443364] kasan_save_alloc_info+0x3b/0x50 [ 26.443568] __kasan_slab_alloc+0x91/0xa0 [ 26.443722] kmem_cache_alloc_noprof+0x123/0x3f0 [ 26.443886] kmem_cache_oob+0x157/0x530 [ 26.444055] kunit_try_run_case+0x1a5/0x480 [ 26.444283] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.444535] kthread+0x337/0x6f0 [ 26.444702] ret_from_fork+0x116/0x1d0 [ 26.444841] ret_from_fork_asm+0x1a/0x30 [ 26.444989] [ 26.445243] The buggy address belongs to the object at ffff888106257000 [ 26.445243] which belongs to the cache test_cache of size 200 [ 26.445968] The buggy address is located 0 bytes to the right of [ 26.445968] allocated 200-byte region [ffff888106257000, ffff8881062570c8) [ 26.446597] [ 26.446670] The buggy address belongs to the physical page: [ 26.446849] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106257 [ 26.447201] flags: 0x200000000000000(node=0|zone=2) [ 26.447434] page_type: f5(slab) [ 26.447700] raw: 0200000000000000 ffff888100f85c80 dead000000000122 0000000000000000 [ 26.448143] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 26.448375] page dumped because: kasan: bad access detected [ 26.448546] [ 26.448692] Memory state around the buggy address: [ 26.449092] ffff888106256f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.449875] ffff888106257000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.450319] >ffff888106257080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.450586] ^ [ 26.450764] ffff888106257100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.451244] ffff888106257180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.451591] ==================================================================