Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.535680] ================================================================== [ 16.536000] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 16.536129] Write of size 1 at addr fff00000c780200a by task kunit_try_catch/146 [ 16.536176] [ 16.536207] CPU: 0 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.536285] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.536332] Hardware name: linux,dummy-virt (DT) [ 16.536362] Call trace: [ 16.536398] show_stack+0x20/0x38 (C) [ 16.536452] dump_stack_lvl+0x8c/0xd0 [ 16.536497] print_report+0x118/0x608 [ 16.536864] kasan_report+0xdc/0x128 [ 16.536915] __asan_report_store1_noabort+0x20/0x30 [ 16.536962] kmalloc_large_oob_right+0x278/0x2b8 [ 16.537403] kunit_try_run_case+0x170/0x3f0 [ 16.537484] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.537621] kthread+0x328/0x630 [ 16.537696] ret_from_fork+0x10/0x20 [ 16.538060] [ 16.538270] The buggy address belongs to the physical page: [ 16.538345] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107800 [ 16.538479] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.538643] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.538716] page_type: f8(unknown) [ 16.538781] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.539074] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.539283] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.539375] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.539531] head: 0bfffe0000000002 ffffc1ffc31e0001 00000000ffffffff 00000000ffffffff [ 16.539579] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.540006] page dumped because: kasan: bad access detected [ 16.540191] [ 16.540381] Memory state around the buggy address: [ 16.540464] fff00000c7801f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.540620] fff00000c7801f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.540759] >fff00000c7802000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.540859] ^ [ 16.540937] fff00000c7802080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.541041] fff00000c7802100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.541079] ==================================================================
[ 10.967145] ================================================================== [ 10.967836] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 10.968162] Write of size 1 at addr ffff8881029fe00a by task kunit_try_catch/164 [ 10.968497] [ 10.968616] CPU: 0 UID: 0 PID: 164 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 10.968660] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.968671] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.968692] Call Trace: [ 10.968703] <TASK> [ 10.968719] dump_stack_lvl+0x73/0xb0 [ 10.968747] print_report+0xd1/0x650 [ 10.968768] ? __virt_addr_valid+0x1db/0x2d0 [ 10.968791] ? kmalloc_large_oob_right+0x2e9/0x330 [ 10.968811] ? kasan_addr_to_slab+0x11/0xa0 [ 10.968831] ? kmalloc_large_oob_right+0x2e9/0x330 [ 10.968852] kasan_report+0x141/0x180 [ 10.968872] ? kmalloc_large_oob_right+0x2e9/0x330 [ 10.968898] __asan_report_store1_noabort+0x1b/0x30 [ 10.968917] kmalloc_large_oob_right+0x2e9/0x330 [ 10.968938] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 10.968960] ? __schedule+0x10cc/0x2b60 [ 10.968981] ? __pfx_read_tsc+0x10/0x10 [ 10.969001] ? ktime_get_ts64+0x86/0x230 [ 10.969026] kunit_try_run_case+0x1a5/0x480 [ 10.969050] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.969070] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.969092] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.969126] ? __kthread_parkme+0x82/0x180 [ 10.969147] ? preempt_count_sub+0x50/0x80 [ 10.969170] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.969192] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.969213] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.969234] kthread+0x337/0x6f0 [ 10.969253] ? trace_preempt_on+0x20/0xc0 [ 10.969276] ? __pfx_kthread+0x10/0x10 [ 10.969296] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.969315] ? calculate_sigpending+0x7b/0xa0 [ 10.969338] ? __pfx_kthread+0x10/0x10 [ 10.969358] ret_from_fork+0x116/0x1d0 [ 10.969375] ? __pfx_kthread+0x10/0x10 [ 10.969395] ret_from_fork_asm+0x1a/0x30 [ 10.969424] </TASK> [ 10.969434] [ 10.981229] The buggy address belongs to the physical page: [ 10.981524] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029fc [ 10.981863] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 10.982141] flags: 0x200000000000040(head|node=0|zone=2) [ 10.982612] page_type: f8(unknown) [ 10.982805] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.983170] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.983599] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.983913] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.984242] head: 0200000000000002 ffffea00040a7f01 00000000ffffffff 00000000ffffffff [ 10.984637] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 10.984911] page dumped because: kasan: bad access detected [ 10.985173] [ 10.985260] Memory state around the buggy address: [ 10.985529] ffff8881029fdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.985807] ffff8881029fdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.986131] >ffff8881029fe000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 10.986467] ^ [ 10.986625] ffff8881029fe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 10.987043] ffff8881029fe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 10.987479] ==================================================================