Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.164955] ================================================================== [ 19.165856] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x28c/0x2d0 [ 19.166370] Write of size 1 at addr fff00000c6b8a00a by task kunit_try_catch/133 [ 19.166730] [ 19.166897] CPU: 0 UID: 0 PID: 133 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 19.167001] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.167032] Hardware name: linux,dummy-virt (DT) [ 19.167124] Call trace: [ 19.167176] dump_backtrace+0x9c/0x128 [ 19.167287] show_stack+0x20/0x38 [ 19.167363] dump_stack_lvl+0x8c/0xd0 [ 19.167465] print_report+0x118/0x5f0 [ 19.167562] kasan_report+0xdc/0x128 [ 19.167656] __asan_report_store1_noabort+0x20/0x30 [ 19.167743] kmalloc_large_oob_right+0x28c/0x2d0 [ 19.167826] kunit_try_run_case+0x170/0x3f0 [ 19.167915] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.168012] kthread+0x24c/0x2d0 [ 19.168084] ret_from_fork+0x10/0x20 [ 19.168166] [ 19.173987] The buggy address belongs to the physical page: [ 19.174371] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106b88 [ 19.174972] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.176449] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.177720] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.178266] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.179034] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.179748] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.180133] head: 0bfffe0000000002 ffffc1ffc31ae201 ffffffffffffffff 0000000000000000 [ 19.180484] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 19.180831] page dumped because: kasan: bad access detected [ 19.181101] [ 19.181827] Memory state around the buggy address: [ 19.182550] fff00000c6b89f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.183304] fff00000c6b89f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.184231] >fff00000c6b8a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.184789] ^ [ 19.185212] fff00000c6b8a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.185680] fff00000c6b8a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.186173] ==================================================================
[ 11.474591] ================================================================== [ 11.475118] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340 [ 11.475600] Write of size 1 at addr ffff88810257a00a by task kunit_try_catch/151 [ 11.476267] [ 11.476779] CPU: 0 UID: 0 PID: 151 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 11.476866] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.476885] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.476918] Call Trace: [ 11.476942] <TASK> [ 11.476971] dump_stack_lvl+0x73/0xb0 [ 11.477246] print_report+0xd1/0x640 [ 11.477289] ? __virt_addr_valid+0x1db/0x2d0 [ 11.477315] ? kmalloc_large_oob_right+0x2eb/0x340 [ 11.477337] ? kasan_addr_to_slab+0x11/0xa0 [ 11.477359] ? kmalloc_large_oob_right+0x2eb/0x340 [ 11.477381] kasan_report+0x140/0x180 [ 11.477403] ? kmalloc_large_oob_right+0x2eb/0x340 [ 11.477430] __asan_report_store1_noabort+0x1b/0x30 [ 11.477452] kmalloc_large_oob_right+0x2eb/0x340 [ 11.477475] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 11.477498] ? __schedule+0xc49/0x27a0 [ 11.477518] ? __pfx_read_tsc+0x10/0x10 [ 11.477536] ? ktime_get_ts64+0x84/0x230 [ 11.477562] kunit_try_run_case+0x1a6/0x480 [ 11.477584] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.477603] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.477623] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.477647] ? __kthread_parkme+0x82/0x160 [ 11.477691] ? preempt_count_sub+0x50/0x80 [ 11.477714] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.477733] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.477758] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.477783] kthread+0x257/0x310 [ 11.477800] ? __pfx_kthread+0x10/0x10 [ 11.477819] ret_from_fork+0x41/0x80 [ 11.477838] ? __pfx_kthread+0x10/0x10 [ 11.477856] ret_from_fork_asm+0x1a/0x30 [ 11.477896] </TASK> [ 11.477911] [ 11.485642] The buggy address belongs to the physical page: [ 11.485872] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102578 [ 11.486459] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.486942] flags: 0x200000000000040(head|node=0|zone=2) [ 11.487529] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.488006] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 11.488586] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.488957] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 11.489764] head: 0200000000000002 ffffea0004095e01 ffffffffffffffff 0000000000000000 [ 11.490115] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 11.490442] page dumped because: kasan: bad access detected [ 11.490729] [ 11.490877] Memory state around the buggy address: [ 11.491114] ffff888102579f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.491397] ffff888102579f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.491830] >ffff88810257a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.492174] ^ [ 11.492376] ffff88810257a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.492648] ffff88810257a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.492979] ==================================================================