Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.682896] ================================================================== [ 16.683112] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 16.683238] Write of size 8 at addr fff00000c6691771 by task kunit_try_catch/176 [ 16.683429] [ 16.683481] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.683704] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.683893] Hardware name: linux,dummy-virt (DT) [ 16.684021] Call trace: [ 16.684101] show_stack+0x20/0x38 (C) [ 16.684306] dump_stack_lvl+0x8c/0xd0 [ 16.684658] print_report+0x118/0x5d0 [ 16.684749] kasan_report+0xdc/0x128 [ 16.684924] kasan_check_range+0x100/0x1a8 [ 16.685113] __asan_memset+0x34/0x78 [ 16.685338] kmalloc_oob_memset_8+0x150/0x2f8 [ 16.685534] kunit_try_run_case+0x170/0x3f0 [ 16.685837] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.685947] kthread+0x328/0x630 [ 16.686085] ret_from_fork+0x10/0x20 [ 16.686321] [ 16.686456] Allocated by task 176: [ 16.686588] kasan_save_stack+0x3c/0x68 [ 16.686634] kasan_save_track+0x20/0x40 [ 16.686709] kasan_save_alloc_info+0x40/0x58 [ 16.687262] __kasan_kmalloc+0xd4/0xd8 [ 16.687395] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.687577] kmalloc_oob_memset_8+0xb0/0x2f8 [ 16.687646] kunit_try_run_case+0x170/0x3f0 [ 16.687764] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.688187] kthread+0x328/0x630 [ 16.688612] ret_from_fork+0x10/0x20 [ 16.688656] [ 16.688678] The buggy address belongs to the object at fff00000c6691700 [ 16.688678] which belongs to the cache kmalloc-128 of size 128 [ 16.689131] The buggy address is located 113 bytes inside of [ 16.689131] allocated 120-byte region [fff00000c6691700, fff00000c6691778) [ 16.689263] [ 16.689524] The buggy address belongs to the physical page: [ 16.689599] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106691 [ 16.689673] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.689944] page_type: f5(slab) [ 16.690012] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.690408] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.690489] page dumped because: kasan: bad access detected [ 16.690630] [ 16.690649] Memory state around the buggy address: [ 16.690708] fff00000c6691600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.690953] fff00000c6691680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.691366] >fff00000c6691700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.691537] ^ [ 16.691582] fff00000c6691780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.691698] fff00000c6691800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.692136] ==================================================================
[ 12.386606] ================================================================== [ 12.387306] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 12.387619] Write of size 8 at addr ffff8881026a6a71 by task kunit_try_catch/193 [ 12.388032] [ 12.388155] CPU: 1 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.388200] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.388211] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.388233] Call Trace: [ 12.388244] <TASK> [ 12.388261] dump_stack_lvl+0x73/0xb0 [ 12.388291] print_report+0xd1/0x610 [ 12.388313] ? __virt_addr_valid+0x1db/0x2d0 [ 12.388337] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.388357] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.388379] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.388400] kasan_report+0x141/0x180 [ 12.388422] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.388448] kasan_check_range+0x10c/0x1c0 [ 12.388471] __asan_memset+0x27/0x50 [ 12.388490] kmalloc_oob_memset_8+0x166/0x330 [ 12.388512] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 12.388535] ? __schedule+0x10cc/0x2b60 [ 12.388558] ? __pfx_read_tsc+0x10/0x10 [ 12.388578] ? ktime_get_ts64+0x86/0x230 [ 12.388603] kunit_try_run_case+0x1a5/0x480 [ 12.388636] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.388657] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.388681] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.388704] ? __kthread_parkme+0x82/0x180 [ 12.388724] ? preempt_count_sub+0x50/0x80 [ 12.388748] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.388771] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.388794] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.388818] kthread+0x337/0x6f0 [ 12.388836] ? trace_preempt_on+0x20/0xc0 [ 12.388859] ? __pfx_kthread+0x10/0x10 [ 12.388879] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.388899] ? calculate_sigpending+0x7b/0xa0 [ 12.388923] ? __pfx_kthread+0x10/0x10 [ 12.388943] ret_from_fork+0x116/0x1d0 [ 12.388961] ? __pfx_kthread+0x10/0x10 [ 12.388980] ret_from_fork_asm+0x1a/0x30 [ 12.389013] </TASK> [ 12.389022] [ 12.397726] Allocated by task 193: [ 12.397948] kasan_save_stack+0x45/0x70 [ 12.398164] kasan_save_track+0x18/0x40 [ 12.398364] kasan_save_alloc_info+0x3b/0x50 [ 12.398584] __kasan_kmalloc+0xb7/0xc0 [ 12.400007] __kmalloc_cache_noprof+0x189/0x420 [ 12.400435] kmalloc_oob_memset_8+0xac/0x330 [ 12.400606] kunit_try_run_case+0x1a5/0x480 [ 12.400758] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.400938] kthread+0x337/0x6f0 [ 12.401068] ret_from_fork+0x116/0x1d0 [ 12.401201] ret_from_fork_asm+0x1a/0x30 [ 12.401343] [ 12.401416] The buggy address belongs to the object at ffff8881026a6a00 [ 12.401416] which belongs to the cache kmalloc-128 of size 128 [ 12.401784] The buggy address is located 113 bytes inside of [ 12.401784] allocated 120-byte region [ffff8881026a6a00, ffff8881026a6a78) [ 12.402495] [ 12.402743] The buggy address belongs to the physical page: [ 12.403433] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a6 [ 12.404267] flags: 0x200000000000000(node=0|zone=2) [ 12.404985] page_type: f5(slab) [ 12.405372] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.406164] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.406950] page dumped because: kasan: bad access detected [ 12.407482] [ 12.407708] Memory state around the buggy address: [ 12.408254] ffff8881026a6900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.408963] ffff8881026a6980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.409656] >ffff8881026a6a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.410389] ^ [ 12.411197] ffff8881026a6a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.411890] ffff8881026a6b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.412336] ==================================================================