Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.012359] ================================================================== [ 17.012430] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 17.012482] Write of size 4 at addr fff00000c5733875 by task kunit_try_catch/175 [ 17.012530] [ 17.012574] CPU: 1 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.012656] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.012682] Hardware name: linux,dummy-virt (DT) [ 17.012783] Call trace: [ 17.012805] show_stack+0x20/0x38 (C) [ 17.012885] dump_stack_lvl+0x8c/0xd0 [ 17.012970] print_report+0x118/0x608 [ 17.013015] kasan_report+0xdc/0x128 [ 17.013060] kasan_check_range+0x100/0x1a8 [ 17.013106] __asan_memset+0x34/0x78 [ 17.013147] kmalloc_oob_memset_4+0x150/0x300 [ 17.013191] kunit_try_run_case+0x170/0x3f0 [ 17.013238] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.013404] kthread+0x328/0x630 [ 17.013457] ret_from_fork+0x10/0x20 [ 17.013622] [ 17.013641] Allocated by task 175: [ 17.013668] kasan_save_stack+0x3c/0x68 [ 17.013709] kasan_save_track+0x20/0x40 [ 17.013765] kasan_save_alloc_info+0x40/0x58 [ 17.013960] __kasan_kmalloc+0xd4/0xd8 [ 17.013997] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.014036] kmalloc_oob_memset_4+0xb0/0x300 [ 17.014073] kunit_try_run_case+0x170/0x3f0 [ 17.014110] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.014172] kthread+0x328/0x630 [ 17.014203] ret_from_fork+0x10/0x20 [ 17.014357] [ 17.014455] The buggy address belongs to the object at fff00000c5733800 [ 17.014455] which belongs to the cache kmalloc-128 of size 128 [ 17.014620] The buggy address is located 117 bytes inside of [ 17.014620] allocated 120-byte region [fff00000c5733800, fff00000c5733878) [ 17.014820] [ 17.014840] The buggy address belongs to the physical page: [ 17.014870] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105733 [ 17.014923] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.014969] page_type: f5(slab) [ 17.015013] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.015219] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.015286] page dumped because: kasan: bad access detected [ 17.015446] [ 17.015465] Memory state around the buggy address: [ 17.016231] fff00000c5733700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.016278] fff00000c5733780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.016331] >fff00000c5733800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.016417] ^ [ 17.016459] fff00000c5733880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.016501] fff00000c5733900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.016548] ==================================================================
[ 11.687399] ================================================================== [ 11.687955] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 11.688365] Write of size 4 at addr ffff8881033ae175 by task kunit_try_catch/191 [ 11.688690] [ 11.688803] CPU: 0 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.688869] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.688880] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.688901] Call Trace: [ 11.689043] <TASK> [ 11.689062] dump_stack_lvl+0x73/0xb0 [ 11.689093] print_report+0xd1/0x650 [ 11.689115] ? __virt_addr_valid+0x1db/0x2d0 [ 11.689139] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.689159] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.689180] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.689200] kasan_report+0x141/0x180 [ 11.689221] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.689246] kasan_check_range+0x10c/0x1c0 [ 11.689267] __asan_memset+0x27/0x50 [ 11.689286] kmalloc_oob_memset_4+0x166/0x330 [ 11.689307] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 11.689328] ? __schedule+0x10cc/0x2b60 [ 11.689349] ? __pfx_read_tsc+0x10/0x10 [ 11.689370] ? ktime_get_ts64+0x86/0x230 [ 11.689394] kunit_try_run_case+0x1a5/0x480 [ 11.689419] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.689440] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.689462] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.689485] ? __kthread_parkme+0x82/0x180 [ 11.689504] ? preempt_count_sub+0x50/0x80 [ 11.689528] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.689551] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.689572] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.689593] kthread+0x337/0x6f0 [ 11.689612] ? trace_preempt_on+0x20/0xc0 [ 11.689634] ? __pfx_kthread+0x10/0x10 [ 11.689672] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.689692] ? calculate_sigpending+0x7b/0xa0 [ 11.689715] ? __pfx_kthread+0x10/0x10 [ 11.689735] ret_from_fork+0x116/0x1d0 [ 11.689752] ? __pfx_kthread+0x10/0x10 [ 11.689771] ret_from_fork_asm+0x1a/0x30 [ 11.689801] </TASK> [ 11.689813] [ 11.697965] Allocated by task 191: [ 11.699015] kasan_save_stack+0x45/0x70 [ 11.699196] kasan_save_track+0x18/0x40 [ 11.699332] kasan_save_alloc_info+0x3b/0x50 [ 11.699481] __kasan_kmalloc+0xb7/0xc0 [ 11.699611] __kmalloc_cache_noprof+0x189/0x420 [ 11.700188] kmalloc_oob_memset_4+0xac/0x330 [ 11.700568] kunit_try_run_case+0x1a5/0x480 [ 11.701039] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.701521] kthread+0x337/0x6f0 [ 11.701896] ret_from_fork+0x116/0x1d0 [ 11.702257] ret_from_fork_asm+0x1a/0x30 [ 11.702710] [ 11.702889] The buggy address belongs to the object at ffff8881033ae100 [ 11.702889] which belongs to the cache kmalloc-128 of size 128 [ 11.703938] The buggy address is located 117 bytes inside of [ 11.703938] allocated 120-byte region [ffff8881033ae100, ffff8881033ae178) [ 11.704311] [ 11.704385] The buggy address belongs to the physical page: [ 11.704560] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033ae [ 11.705146] flags: 0x200000000000000(node=0|zone=2) [ 11.705736] page_type: f5(slab) [ 11.706135] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.706973] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.708007] page dumped because: kasan: bad access detected [ 11.708669] [ 11.708830] Memory state around the buggy address: [ 11.709285] ffff8881033ae000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.709872] ffff8881033ae080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.710340] >ffff8881033ae100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.710554] ^ [ 11.711136] ffff8881033ae180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.711821] ffff8881033ae200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.712544] ==================================================================