Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.035978] ================================================================== [ 17.036046] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 17.036117] Write of size 8 at addr fff00000c7767671 by task kunit_try_catch/176 [ 17.036182] [ 17.036243] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.036346] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.036373] Hardware name: linux,dummy-virt (DT) [ 17.036405] Call trace: [ 17.036427] show_stack+0x20/0x38 (C) [ 17.036477] dump_stack_lvl+0x8c/0xd0 [ 17.036525] print_report+0x118/0x608 [ 17.036576] kasan_report+0xdc/0x128 [ 17.036621] kasan_check_range+0x100/0x1a8 [ 17.036796] __asan_memset+0x34/0x78 [ 17.036870] kmalloc_oob_memset_8+0x150/0x2f8 [ 17.036934] kunit_try_run_case+0x170/0x3f0 [ 17.036995] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.037049] kthread+0x328/0x630 [ 17.037103] ret_from_fork+0x10/0x20 [ 17.037152] [ 17.037170] Allocated by task 176: [ 17.037198] kasan_save_stack+0x3c/0x68 [ 17.037246] kasan_save_track+0x20/0x40 [ 17.037292] kasan_save_alloc_info+0x40/0x58 [ 17.037332] __kasan_kmalloc+0xd4/0xd8 [ 17.037369] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.037416] kmalloc_oob_memset_8+0xb0/0x2f8 [ 17.038263] kunit_try_run_case+0x170/0x3f0 [ 17.038323] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.038375] kthread+0x328/0x630 [ 17.038408] ret_from_fork+0x10/0x20 [ 17.038443] [ 17.038463] The buggy address belongs to the object at fff00000c7767600 [ 17.038463] which belongs to the cache kmalloc-128 of size 128 [ 17.038523] The buggy address is located 113 bytes inside of [ 17.038523] allocated 120-byte region [fff00000c7767600, fff00000c7767678) [ 17.038585] [ 17.038604] The buggy address belongs to the physical page: [ 17.038634] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107767 [ 17.038687] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.038736] page_type: f5(slab) [ 17.038778] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.038828] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.038868] page dumped because: kasan: bad access detected [ 17.038899] [ 17.038917] Memory state around the buggy address: [ 17.038948] fff00000c7767500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.038991] fff00000c7767580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.039033] >fff00000c7767600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.039071] ^ [ 17.039177] fff00000c7767680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.039289] fff00000c7767700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.039465] ==================================================================
[ 12.890799] ================================================================== [ 12.891271] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 12.891640] Write of size 8 at addr ffff8881029adc71 by task kunit_try_catch/193 [ 12.891982] [ 12.892085] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.892154] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.892165] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.892186] Call Trace: [ 12.892199] <TASK> [ 12.892216] dump_stack_lvl+0x73/0xb0 [ 12.892246] print_report+0xd1/0x650 [ 12.892269] ? __virt_addr_valid+0x1db/0x2d0 [ 12.892294] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.892315] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.892338] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.892360] kasan_report+0x141/0x180 [ 12.892400] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.892427] kasan_check_range+0x10c/0x1c0 [ 12.892450] __asan_memset+0x27/0x50 [ 12.892469] kmalloc_oob_memset_8+0x166/0x330 [ 12.892509] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 12.892532] ? __schedule+0x10cc/0x2b60 [ 12.892555] ? __pfx_read_tsc+0x10/0x10 [ 12.892576] ? ktime_get_ts64+0x86/0x230 [ 12.892613] kunit_try_run_case+0x1a5/0x480 [ 12.892639] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.892661] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.892686] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.892709] ? __kthread_parkme+0x82/0x180 [ 12.892731] ? preempt_count_sub+0x50/0x80 [ 12.892756] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.892780] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.892804] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.892846] kthread+0x337/0x6f0 [ 12.892864] ? trace_preempt_on+0x20/0xc0 [ 12.892902] ? __pfx_kthread+0x10/0x10 [ 12.892923] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.892944] ? calculate_sigpending+0x7b/0xa0 [ 12.892968] ? __pfx_kthread+0x10/0x10 [ 12.893111] ret_from_fork+0x116/0x1d0 [ 12.893133] ? __pfx_kthread+0x10/0x10 [ 12.893153] ret_from_fork_asm+0x1a/0x30 [ 12.893184] </TASK> [ 12.893195] [ 12.901742] Allocated by task 193: [ 12.902029] kasan_save_stack+0x45/0x70 [ 12.902200] kasan_save_track+0x18/0x40 [ 12.902336] kasan_save_alloc_info+0x3b/0x50 [ 12.902505] __kasan_kmalloc+0xb7/0xc0 [ 12.902668] __kmalloc_cache_noprof+0x189/0x420 [ 12.902955] kmalloc_oob_memset_8+0xac/0x330 [ 12.903205] kunit_try_run_case+0x1a5/0x480 [ 12.903416] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.903660] kthread+0x337/0x6f0 [ 12.903803] ret_from_fork+0x116/0x1d0 [ 12.903938] ret_from_fork_asm+0x1a/0x30 [ 12.904079] [ 12.904149] The buggy address belongs to the object at ffff8881029adc00 [ 12.904149] which belongs to the cache kmalloc-128 of size 128 [ 12.904713] The buggy address is located 113 bytes inside of [ 12.904713] allocated 120-byte region [ffff8881029adc00, ffff8881029adc78) [ 12.905320] [ 12.905451] The buggy address belongs to the physical page: [ 12.905737] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ad [ 12.906197] flags: 0x200000000000000(node=0|zone=2) [ 12.906436] page_type: f5(slab) [ 12.906560] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.906804] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.907194] page dumped because: kasan: bad access detected [ 12.907466] [ 12.907579] Memory state around the buggy address: [ 12.907856] ffff8881029adb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.908219] ffff8881029adb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.908563] >ffff8881029adc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.909277] ^ [ 12.909502] ffff8881029adc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.909947] ffff8881029add00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.910307] ==================================================================