Date
July 19, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.025320] ================================================================== [ 15.025551] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 15.025609] Write of size 1 at addr fff00000c60ee00a by task kunit_try_catch/146 [ 15.025658] [ 15.025698] CPU: 1 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.025787] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.025879] Hardware name: linux,dummy-virt (DT) [ 15.025908] Call trace: [ 15.025976] show_stack+0x20/0x38 (C) [ 15.026206] dump_stack_lvl+0x8c/0xd0 [ 15.026345] print_report+0x118/0x5d0 [ 15.026479] kasan_report+0xdc/0x128 [ 15.026525] __asan_report_store1_noabort+0x20/0x30 [ 15.026581] kmalloc_large_oob_right+0x278/0x2b8 [ 15.026717] kunit_try_run_case+0x170/0x3f0 [ 15.026763] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.026855] kthread+0x328/0x630 [ 15.026900] ret_from_fork+0x10/0x20 [ 15.026953] [ 15.026988] The buggy address belongs to the physical page: [ 15.027247] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ec [ 15.027337] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 15.027473] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 15.027532] page_type: f8(unknown) [ 15.027571] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.027629] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.027678] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.027808] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.027859] head: 0bfffe0000000002 ffffc1ffc3183b01 00000000ffffffff 00000000ffffffff [ 15.027919] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 15.028055] page dumped because: kasan: bad access detected [ 15.028100] [ 15.028125] Memory state around the buggy address: [ 15.028233] fff00000c60edf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.028274] fff00000c60edf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.028314] >fff00000c60ee000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.028351] ^ [ 15.028380] fff00000c60ee080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.028422] fff00000c60ee100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.028585] ==================================================================
[ 11.500316] ================================================================== [ 11.500846] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 11.501191] Write of size 1 at addr ffff888102a3600a by task kunit_try_catch/163 [ 11.501555] [ 11.501676] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 11.501720] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.501730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.501751] Call Trace: [ 11.501762] <TASK> [ 11.501776] dump_stack_lvl+0x73/0xb0 [ 11.501805] print_report+0xd1/0x610 [ 11.501827] ? __virt_addr_valid+0x1db/0x2d0 [ 11.501849] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.501869] ? kasan_addr_to_slab+0x11/0xa0 [ 11.501888] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.501910] kasan_report+0x141/0x180 [ 11.501930] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.501956] __asan_report_store1_noabort+0x1b/0x30 [ 11.501979] kmalloc_large_oob_right+0x2e9/0x330 [ 11.502000] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 11.502034] ? __schedule+0x10cc/0x2b60 [ 11.502055] ? __pfx_read_tsc+0x10/0x10 [ 11.502075] ? ktime_get_ts64+0x86/0x230 [ 11.502099] kunit_try_run_case+0x1a5/0x480 [ 11.502123] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.502145] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.502168] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.502190] ? __kthread_parkme+0x82/0x180 [ 11.502209] ? preempt_count_sub+0x50/0x80 [ 11.502233] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.502256] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.502278] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.502300] kthread+0x337/0x6f0 [ 11.502318] ? trace_preempt_on+0x20/0xc0 [ 11.502341] ? __pfx_kthread+0x10/0x10 [ 11.502367] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.502387] ? calculate_sigpending+0x7b/0xa0 [ 11.502410] ? __pfx_kthread+0x10/0x10 [ 11.502430] ret_from_fork+0x116/0x1d0 [ 11.502448] ? __pfx_kthread+0x10/0x10 [ 11.502467] ret_from_fork_asm+0x1a/0x30 [ 11.502497] </TASK> [ 11.502506] [ 11.509702] The buggy address belongs to the physical page: [ 11.509920] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a34 [ 11.510181] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.510517] flags: 0x200000000000040(head|node=0|zone=2) [ 11.510787] page_type: f8(unknown) [ 11.510961] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.511308] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.511866] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.512209] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.512640] head: 0200000000000002 ffffea00040a8d01 00000000ffffffff 00000000ffffffff [ 11.512934] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.513247] page dumped because: kasan: bad access detected [ 11.513569] [ 11.513649] Memory state around the buggy address: [ 11.513851] ffff888102a35f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.514156] ffff888102a35f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.514513] >ffff888102a36000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.514788] ^ [ 11.514948] ffff888102a36080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.515243] ffff888102a36100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.515616] ==================================================================