Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.972942] ================================================================== [ 15.973020] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 15.973200] Write of size 8 at addr fff00000c63f3771 by task kunit_try_catch/176 [ 15.973414] [ 15.973492] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 15.973584] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.973610] Hardware name: linux,dummy-virt (DT) [ 15.973641] Call trace: [ 15.973678] show_stack+0x20/0x38 (C) [ 15.973731] dump_stack_lvl+0x8c/0xd0 [ 15.973959] print_report+0x118/0x608 [ 15.974231] kasan_report+0xdc/0x128 [ 15.974337] kasan_check_range+0x100/0x1a8 [ 15.974405] __asan_memset+0x34/0x78 [ 15.974712] kmalloc_oob_memset_8+0x150/0x2f8 [ 15.974866] kunit_try_run_case+0x170/0x3f0 [ 15.974927] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.974980] kthread+0x328/0x630 [ 15.975022] ret_from_fork+0x10/0x20 [ 15.975072] [ 15.975101] Allocated by task 176: [ 15.975504] kasan_save_stack+0x3c/0x68 [ 15.975607] kasan_save_track+0x20/0x40 [ 15.975677] kasan_save_alloc_info+0x40/0x58 [ 15.975751] __kasan_kmalloc+0xd4/0xd8 [ 15.975837] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.975916] kmalloc_oob_memset_8+0xb0/0x2f8 [ 15.975994] kunit_try_run_case+0x170/0x3f0 [ 15.976074] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.976156] kthread+0x328/0x630 [ 15.976189] ret_from_fork+0x10/0x20 [ 15.976251] [ 15.976570] The buggy address belongs to the object at fff00000c63f3700 [ 15.976570] which belongs to the cache kmalloc-128 of size 128 [ 15.976643] The buggy address is located 113 bytes inside of [ 15.976643] allocated 120-byte region [fff00000c63f3700, fff00000c63f3778) [ 15.976893] [ 15.977114] The buggy address belongs to the physical page: [ 15.977163] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f3 [ 15.977256] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.977337] page_type: f5(slab) [ 15.977405] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.977515] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.977606] page dumped because: kasan: bad access detected [ 15.977700] [ 15.977773] Memory state around the buggy address: [ 15.977871] fff00000c63f3600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.977929] fff00000c63f3680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.977987] >fff00000c63f3700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.978032] ^ [ 15.978118] fff00000c63f3780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.978167] fff00000c63f3800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.978203] ==================================================================
[ 12.815262] ================================================================== [ 12.816927] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 12.818409] Write of size 8 at addr ffff8881027a3671 by task kunit_try_catch/193 [ 12.818899] [ 12.818991] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.819034] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.819046] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.819068] Call Trace: [ 12.819080] <TASK> [ 12.819094] dump_stack_lvl+0x73/0xb0 [ 12.819125] print_report+0xd1/0x650 [ 12.819147] ? __virt_addr_valid+0x1db/0x2d0 [ 12.819169] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.819190] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.819213] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.819235] kasan_report+0x141/0x180 [ 12.819256] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.819283] kasan_check_range+0x10c/0x1c0 [ 12.819305] __asan_memset+0x27/0x50 [ 12.819324] kmalloc_oob_memset_8+0x166/0x330 [ 12.819577] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 12.819613] ? __schedule+0x10cc/0x2b60 [ 12.819681] ? __pfx_read_tsc+0x10/0x10 [ 12.819704] ? ktime_get_ts64+0x86/0x230 [ 12.819730] kunit_try_run_case+0x1a5/0x480 [ 12.819754] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.819777] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.819800] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.819823] ? __kthread_parkme+0x82/0x180 [ 12.819842] ? preempt_count_sub+0x50/0x80 [ 12.819865] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.819889] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.819912] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.819937] kthread+0x337/0x6f0 [ 12.819956] ? trace_preempt_on+0x20/0xc0 [ 12.819979] ? __pfx_kthread+0x10/0x10 [ 12.820000] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.820023] ? calculate_sigpending+0x7b/0xa0 [ 12.820047] ? __pfx_kthread+0x10/0x10 [ 12.820068] ret_from_fork+0x116/0x1d0 [ 12.820086] ? __pfx_kthread+0x10/0x10 [ 12.820106] ret_from_fork_asm+0x1a/0x30 [ 12.820136] </TASK> [ 12.820146] [ 12.835667] Allocated by task 193: [ 12.836093] kasan_save_stack+0x45/0x70 [ 12.836638] kasan_save_track+0x18/0x40 [ 12.836857] kasan_save_alloc_info+0x3b/0x50 [ 12.837016] __kasan_kmalloc+0xb7/0xc0 [ 12.837149] __kmalloc_cache_noprof+0x189/0x420 [ 12.837304] kmalloc_oob_memset_8+0xac/0x330 [ 12.837821] kunit_try_run_case+0x1a5/0x480 [ 12.838256] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.838859] kthread+0x337/0x6f0 [ 12.839263] ret_from_fork+0x116/0x1d0 [ 12.839764] ret_from_fork_asm+0x1a/0x30 [ 12.840194] [ 12.840353] The buggy address belongs to the object at ffff8881027a3600 [ 12.840353] which belongs to the cache kmalloc-128 of size 128 [ 12.841595] The buggy address is located 113 bytes inside of [ 12.841595] allocated 120-byte region [ffff8881027a3600, ffff8881027a3678) [ 12.842135] [ 12.842213] The buggy address belongs to the physical page: [ 12.842461] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027a3 [ 12.843298] flags: 0x200000000000000(node=0|zone=2) [ 12.843930] page_type: f5(slab) [ 12.844301] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.845105] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.845738] page dumped because: kasan: bad access detected [ 12.845919] [ 12.845987] Memory state around the buggy address: [ 12.846142] ffff8881027a3500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.846380] ffff8881027a3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.847266] >ffff8881027a3600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.848068] ^ [ 12.848861] ffff8881027a3680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.849549] ffff8881027a3700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.850327] ==================================================================