Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.978057] ================================================================== [ 18.978294] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.978651] Write of size 128 at addr fff00000c56f1800 by task kunit_try_catch/171 [ 18.978809] [ 18.978928] CPU: 0 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.979256] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.979320] Hardware name: linux,dummy-virt (DT) [ 18.979407] Call trace: [ 18.979455] show_stack+0x20/0x38 (C) [ 18.979567] dump_stack_lvl+0x8c/0xd0 [ 18.979684] print_report+0x118/0x608 [ 18.979792] kasan_report+0xdc/0x128 [ 18.979893] kasan_check_range+0x100/0x1a8 [ 18.979996] __asan_memset+0x34/0x78 [ 18.980654] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.980806] kunit_try_run_case+0x170/0x3f0 [ 18.980913] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.981164] kthread+0x328/0x630 [ 18.981421] ret_from_fork+0x10/0x20 [ 18.981533] [ 18.981729] Allocated by task 171: [ 18.982016] kasan_save_stack+0x3c/0x68 [ 18.982145] kasan_save_track+0x20/0x40 [ 18.982619] kasan_save_alloc_info+0x40/0x58 [ 18.982679] __kasan_kmalloc+0xd4/0xd8 [ 18.982718] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.982758] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.982795] kunit_try_run_case+0x170/0x3f0 [ 18.982833] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.982877] kthread+0x328/0x630 [ 18.982910] ret_from_fork+0x10/0x20 [ 18.982947] [ 18.982969] The buggy address belongs to the object at fff00000c56f1800 [ 18.982969] which belongs to the cache kmalloc-128 of size 128 [ 18.983026] The buggy address is located 0 bytes inside of [ 18.983026] allocated 120-byte region [fff00000c56f1800, fff00000c56f1878) [ 18.983084] [ 18.983104] The buggy address belongs to the physical page: [ 18.983135] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056f1 [ 18.983185] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.983232] page_type: f5(slab) [ 18.983270] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.983319] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.983380] page dumped because: kasan: bad access detected [ 18.983445] [ 18.983482] Memory state around the buggy address: [ 18.983541] fff00000c56f1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.983628] fff00000c56f1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.983724] >fff00000c56f1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.983811] ^ [ 18.983896] fff00000c56f1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.984026] fff00000c56f1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.984114] ==================================================================
[ 13.653110] ================================================================== [ 13.654526] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 13.655924] Write of size 128 at addr ffff8881029df700 by task kunit_try_catch/187 [ 13.656646] [ 13.657136] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.657203] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.657347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.657380] Call Trace: [ 13.657398] <TASK> [ 13.657480] dump_stack_lvl+0x73/0xb0 [ 13.657529] print_report+0xd1/0x650 [ 13.657557] ? __virt_addr_valid+0x1db/0x2d0 [ 13.657587] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.657615] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.657642] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.657681] kasan_report+0x141/0x180 [ 13.657707] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.657738] kasan_check_range+0x10c/0x1c0 [ 13.657810] __asan_memset+0x27/0x50 [ 13.657835] kmalloc_oob_in_memset+0x15f/0x320 [ 13.657862] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 13.658059] ? __schedule+0x10cc/0x2b60 [ 13.658090] ? __pfx_read_tsc+0x10/0x10 [ 13.658117] ? ktime_get_ts64+0x86/0x230 [ 13.658150] kunit_try_run_case+0x1a5/0x480 [ 13.658182] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.658209] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.658237] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.658264] ? __kthread_parkme+0x82/0x180 [ 13.658290] ? preempt_count_sub+0x50/0x80 [ 13.658320] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.658348] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.658375] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.658402] kthread+0x337/0x6f0 [ 13.658433] ? trace_preempt_on+0x20/0xc0 [ 13.658461] ? __pfx_kthread+0x10/0x10 [ 13.658485] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.658510] ? calculate_sigpending+0x7b/0xa0 [ 13.658539] ? __pfx_kthread+0x10/0x10 [ 13.658564] ret_from_fork+0x116/0x1d0 [ 13.658586] ? __pfx_kthread+0x10/0x10 [ 13.658610] ret_from_fork_asm+0x1a/0x30 [ 13.658660] </TASK> [ 13.658675] [ 13.673454] Allocated by task 187: [ 13.673723] kasan_save_stack+0x45/0x70 [ 13.674127] kasan_save_track+0x18/0x40 [ 13.674365] kasan_save_alloc_info+0x3b/0x50 [ 13.674618] __kasan_kmalloc+0xb7/0xc0 [ 13.674906] __kmalloc_cache_noprof+0x189/0x420 [ 13.675097] kmalloc_oob_in_memset+0xac/0x320 [ 13.675384] kunit_try_run_case+0x1a5/0x480 [ 13.675670] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.676183] kthread+0x337/0x6f0 [ 13.676434] ret_from_fork+0x116/0x1d0 [ 13.676677] ret_from_fork_asm+0x1a/0x30 [ 13.676932] [ 13.677055] The buggy address belongs to the object at ffff8881029df700 [ 13.677055] which belongs to the cache kmalloc-128 of size 128 [ 13.677821] The buggy address is located 0 bytes inside of [ 13.677821] allocated 120-byte region [ffff8881029df700, ffff8881029df778) [ 13.678458] [ 13.678585] The buggy address belongs to the physical page: [ 13.679007] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029df [ 13.679409] flags: 0x200000000000000(node=0|zone=2) [ 13.679719] page_type: f5(slab) [ 13.679914] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.680415] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.681012] page dumped because: kasan: bad access detected [ 13.681294] [ 13.681407] Memory state around the buggy address: [ 13.681695] ffff8881029df600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.682072] ffff8881029df680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.682410] >ffff8881029df700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.682961] ^ [ 13.683340] ffff8881029df780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.683717] ffff8881029df800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.684180] ==================================================================