Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.001953] ================================================================== [ 17.002014] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 17.002069] Write of size 2 at addr fff00000c5733777 by task kunit_try_catch/173 [ 17.002117] [ 17.002151] CPU: 1 UID: 0 PID: 173 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.002232] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.002288] Hardware name: linux,dummy-virt (DT) [ 17.002323] Call trace: [ 17.002345] show_stack+0x20/0x38 (C) [ 17.002394] dump_stack_lvl+0x8c/0xd0 [ 17.002441] print_report+0x118/0x608 [ 17.002487] kasan_report+0xdc/0x128 [ 17.002639] kasan_check_range+0x100/0x1a8 [ 17.002699] __asan_memset+0x34/0x78 [ 17.002781] kmalloc_oob_memset_2+0x150/0x2f8 [ 17.002827] kunit_try_run_case+0x170/0x3f0 [ 17.002873] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.002925] kthread+0x328/0x630 [ 17.002965] ret_from_fork+0x10/0x20 [ 17.003029] [ 17.003047] Allocated by task 173: [ 17.003074] kasan_save_stack+0x3c/0x68 [ 17.003114] kasan_save_track+0x20/0x40 [ 17.003175] kasan_save_alloc_info+0x40/0x58 [ 17.003215] __kasan_kmalloc+0xd4/0xd8 [ 17.003251] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.003289] kmalloc_oob_memset_2+0xb0/0x2f8 [ 17.003325] kunit_try_run_case+0x170/0x3f0 [ 17.003465] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.003660] kthread+0x328/0x630 [ 17.003693] ret_from_fork+0x10/0x20 [ 17.003773] [ 17.003842] The buggy address belongs to the object at fff00000c5733700 [ 17.003842] which belongs to the cache kmalloc-128 of size 128 [ 17.003933] The buggy address is located 119 bytes inside of [ 17.003933] allocated 120-byte region [fff00000c5733700, fff00000c5733778) [ 17.003995] [ 17.004071] The buggy address belongs to the physical page: [ 17.004103] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105733 [ 17.004214] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.004442] page_type: f5(slab) [ 17.004486] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.004547] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.004733] page dumped because: kasan: bad access detected [ 17.004764] [ 17.004818] Memory state around the buggy address: [ 17.004851] fff00000c5733600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.004956] fff00000c5733680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.005041] >fff00000c5733700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.005237] ^ [ 17.005281] fff00000c5733780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.005364] fff00000c5733800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.005402] ==================================================================
[ 11.659377] ================================================================== [ 11.660266] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 11.661074] Write of size 2 at addr ffff8881027c2877 by task kunit_try_catch/189 [ 11.661348] [ 11.661470] CPU: 1 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.661517] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.661565] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.661586] Call Trace: [ 11.661599] <TASK> [ 11.661620] dump_stack_lvl+0x73/0xb0 [ 11.661659] print_report+0xd1/0x650 [ 11.661681] ? __virt_addr_valid+0x1db/0x2d0 [ 11.661705] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.661725] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.661745] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.661830] kasan_report+0x141/0x180 [ 11.661855] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.661916] kasan_check_range+0x10c/0x1c0 [ 11.661966] __asan_memset+0x27/0x50 [ 11.661985] kmalloc_oob_memset_2+0x166/0x330 [ 11.662006] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 11.662038] ? __schedule+0x10cc/0x2b60 [ 11.662060] ? __pfx_read_tsc+0x10/0x10 [ 11.662081] ? ktime_get_ts64+0x86/0x230 [ 11.662106] kunit_try_run_case+0x1a5/0x480 [ 11.662129] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.662150] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.662172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.662193] ? __kthread_parkme+0x82/0x180 [ 11.662213] ? preempt_count_sub+0x50/0x80 [ 11.662235] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.662257] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.662279] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.662300] kthread+0x337/0x6f0 [ 11.662318] ? trace_preempt_on+0x20/0xc0 [ 11.662341] ? __pfx_kthread+0x10/0x10 [ 11.662360] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.662379] ? calculate_sigpending+0x7b/0xa0 [ 11.662402] ? __pfx_kthread+0x10/0x10 [ 11.662421] ret_from_fork+0x116/0x1d0 [ 11.662438] ? __pfx_kthread+0x10/0x10 [ 11.662457] ret_from_fork_asm+0x1a/0x30 [ 11.662487] </TASK> [ 11.662498] [ 11.673321] Allocated by task 189: [ 11.673492] kasan_save_stack+0x45/0x70 [ 11.674088] kasan_save_track+0x18/0x40 [ 11.674487] kasan_save_alloc_info+0x3b/0x50 [ 11.674880] __kasan_kmalloc+0xb7/0xc0 [ 11.675072] __kmalloc_cache_noprof+0x189/0x420 [ 11.675276] kmalloc_oob_memset_2+0xac/0x330 [ 11.675465] kunit_try_run_case+0x1a5/0x480 [ 11.675858] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.676113] kthread+0x337/0x6f0 [ 11.676274] ret_from_fork+0x116/0x1d0 [ 11.676447] ret_from_fork_asm+0x1a/0x30 [ 11.676626] [ 11.677191] The buggy address belongs to the object at ffff8881027c2800 [ 11.677191] which belongs to the cache kmalloc-128 of size 128 [ 11.678076] The buggy address is located 119 bytes inside of [ 11.678076] allocated 120-byte region [ffff8881027c2800, ffff8881027c2878) [ 11.678578] [ 11.678715] The buggy address belongs to the physical page: [ 11.678944] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027c2 [ 11.679276] flags: 0x200000000000000(node=0|zone=2) [ 11.679489] page_type: f5(slab) [ 11.679715] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.680045] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.680358] page dumped because: kasan: bad access detected [ 11.680584] [ 11.680718] Memory state around the buggy address: [ 11.680923] ffff8881027c2700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.681220] ffff8881027c2780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.681504] >ffff8881027c2800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.681833] ^ [ 11.682126] ffff8881027c2880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.682407] ffff8881027c2900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.683463] ==================================================================