Date
July 4, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.067647] ================================================================== [ 18.067872] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.067945] Write of size 128 at addr fff00000c638ea00 by task kunit_try_catch/170 [ 18.068072] [ 18.068160] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.068261] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.068288] Hardware name: linux,dummy-virt (DT) [ 18.068319] Call trace: [ 18.068587] show_stack+0x20/0x38 (C) [ 18.069213] dump_stack_lvl+0x8c/0xd0 [ 18.069511] print_report+0x118/0x608 [ 18.069571] kasan_report+0xdc/0x128 [ 18.069624] kasan_check_range+0x100/0x1a8 [ 18.069682] __asan_memset+0x34/0x78 [ 18.069745] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.069792] kunit_try_run_case+0x170/0x3f0 [ 18.069849] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.069899] kthread+0x328/0x630 [ 18.069940] ret_from_fork+0x10/0x20 [ 18.069989] [ 18.070008] Allocated by task 170: [ 18.070034] kasan_save_stack+0x3c/0x68 [ 18.070085] kasan_save_track+0x20/0x40 [ 18.070123] kasan_save_alloc_info+0x40/0x58 [ 18.070171] __kasan_kmalloc+0xd4/0xd8 [ 18.070207] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.070245] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.070280] kunit_try_run_case+0x170/0x3f0 [ 18.070316] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.070358] kthread+0x328/0x630 [ 18.070389] ret_from_fork+0x10/0x20 [ 18.070424] [ 18.070443] The buggy address belongs to the object at fff00000c638ea00 [ 18.070443] which belongs to the cache kmalloc-128 of size 128 [ 18.070497] The buggy address is located 0 bytes inside of [ 18.070497] allocated 120-byte region [fff00000c638ea00, fff00000c638ea78) [ 18.070562] [ 18.070583] The buggy address belongs to the physical page: [ 18.070614] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10638e [ 18.070664] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.070711] page_type: f5(slab) [ 18.070748] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.070795] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.070844] page dumped because: kasan: bad access detected [ 18.070873] [ 18.070898] Memory state around the buggy address: [ 18.071814] fff00000c638e900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.072051] fff00000c638e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.072237] >fff00000c638ea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.072286] ^ [ 18.072327] fff00000c638ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.072369] fff00000c638eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.072405] ==================================================================
[ 11.932159] ================================================================== [ 11.933271] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.933958] Write of size 128 at addr ffff88810262fa00 by task kunit_try_catch/187 [ 11.934600] [ 11.935171] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.935241] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.935254] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.935277] Call Trace: [ 11.935295] <TASK> [ 11.935317] dump_stack_lvl+0x73/0xb0 [ 11.935353] print_report+0xd1/0x650 [ 11.935376] ? __virt_addr_valid+0x1db/0x2d0 [ 11.935400] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.935420] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.935441] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.935462] kasan_report+0x141/0x180 [ 11.935482] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.935507] kasan_check_range+0x10c/0x1c0 [ 11.935529] __asan_memset+0x27/0x50 [ 11.935547] kmalloc_oob_in_memset+0x15f/0x320 [ 11.935568] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.935590] ? __schedule+0x10cc/0x2b60 [ 11.935612] ? __pfx_read_tsc+0x10/0x10 [ 11.935634] ? ktime_get_ts64+0x86/0x230 [ 11.935659] kunit_try_run_case+0x1a5/0x480 [ 11.935685] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.935705] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.935728] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.935749] ? __kthread_parkme+0x82/0x180 [ 11.935770] ? preempt_count_sub+0x50/0x80 [ 11.935792] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.935814] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.935835] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.935856] kthread+0x337/0x6f0 [ 11.935874] ? trace_preempt_on+0x20/0xc0 [ 11.935896] ? __pfx_kthread+0x10/0x10 [ 11.935915] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.935935] ? calculate_sigpending+0x7b/0xa0 [ 11.935958] ? __pfx_kthread+0x10/0x10 [ 11.935978] ret_from_fork+0x116/0x1d0 [ 11.935995] ? __pfx_kthread+0x10/0x10 [ 11.936013] ret_from_fork_asm+0x1a/0x30 [ 11.936044] </TASK> [ 11.936054] [ 11.951764] Allocated by task 187: [ 11.952150] kasan_save_stack+0x45/0x70 [ 11.952769] kasan_save_track+0x18/0x40 [ 11.952929] kasan_save_alloc_info+0x3b/0x50 [ 11.953077] __kasan_kmalloc+0xb7/0xc0 [ 11.953278] __kmalloc_cache_noprof+0x189/0x420 [ 11.953798] kmalloc_oob_in_memset+0xac/0x320 [ 11.954534] kunit_try_run_case+0x1a5/0x480 [ 11.955055] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.955733] kthread+0x337/0x6f0 [ 11.956248] ret_from_fork+0x116/0x1d0 [ 11.956673] ret_from_fork_asm+0x1a/0x30 [ 11.956839] [ 11.956917] The buggy address belongs to the object at ffff88810262fa00 [ 11.956917] which belongs to the cache kmalloc-128 of size 128 [ 11.957503] The buggy address is located 0 bytes inside of [ 11.957503] allocated 120-byte region [ffff88810262fa00, ffff88810262fa78) [ 11.958836] [ 11.959062] The buggy address belongs to the physical page: [ 11.959782] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10262f [ 11.960856] flags: 0x200000000000000(node=0|zone=2) [ 11.961519] page_type: f5(slab) [ 11.961664] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.961901] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.962128] page dumped because: kasan: bad access detected [ 11.962324] [ 11.962497] Memory state around the buggy address: [ 11.962930] ffff88810262f900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.963754] ffff88810262f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.964420] >ffff88810262fa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.965384] ^ [ 11.966163] ffff88810262fa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.966909] ffff88810262fb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.967587] ==================================================================