Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.731314] ================================================================== [ 15.731380] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 15.731432] Write of size 1 at addr fff00000c663600a by task kunit_try_catch/146 [ 15.731478] [ 15.731510] CPU: 1 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 15.731589] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.731614] Hardware name: linux,dummy-virt (DT) [ 15.731643] Call trace: [ 15.731665] show_stack+0x20/0x38 (C) [ 15.731712] dump_stack_lvl+0x8c/0xd0 [ 15.731760] print_report+0x118/0x608 [ 15.731805] kasan_report+0xdc/0x128 [ 15.731850] __asan_report_store1_noabort+0x20/0x30 [ 15.731901] kmalloc_large_oob_right+0x278/0x2b8 [ 15.731948] kunit_try_run_case+0x170/0x3f0 [ 15.731995] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.732047] kthread+0x328/0x630 [ 15.732102] ret_from_fork+0x10/0x20 [ 15.732149] [ 15.732181] The buggy address belongs to the physical page: [ 15.732211] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106634 [ 15.732260] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 15.732303] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 15.732357] page_type: f8(unknown) [ 15.732393] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.732440] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.732487] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.732534] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.732580] head: 0bfffe0000000002 ffffc1ffc3198d01 00000000ffffffff 00000000ffffffff [ 15.732626] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 15.732664] page dumped because: kasan: bad access detected [ 15.732693] [ 15.732711] Memory state around the buggy address: [ 15.732739] fff00000c6635f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.732779] fff00000c6635f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.732819] >fff00000c6636000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.732854] ^ [ 15.732880] fff00000c6636080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.732920] fff00000c6636100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.732955] ==================================================================
[ 12.261675] ================================================================== [ 12.262129] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.262596] Write of size 1 at addr ffff88810211200a by task kunit_try_catch/163 [ 12.262969] [ 12.263216] CPU: 0 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.263261] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.263272] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.263291] Call Trace: [ 12.263301] <TASK> [ 12.263315] dump_stack_lvl+0x73/0xb0 [ 12.263344] print_report+0xd1/0x650 [ 12.263435] ? __virt_addr_valid+0x1db/0x2d0 [ 12.263459] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.263481] ? kasan_addr_to_slab+0x11/0xa0 [ 12.263502] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.263524] kasan_report+0x141/0x180 [ 12.263547] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.263585] __asan_report_store1_noabort+0x1b/0x30 [ 12.263612] kmalloc_large_oob_right+0x2e9/0x330 [ 12.263634] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.263670] ? __schedule+0x10cc/0x2b60 [ 12.263692] ? __pfx_read_tsc+0x10/0x10 [ 12.263713] ? ktime_get_ts64+0x86/0x230 [ 12.263736] kunit_try_run_case+0x1a5/0x480 [ 12.263759] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.263781] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.263804] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.263827] ? __kthread_parkme+0x82/0x180 [ 12.263846] ? preempt_count_sub+0x50/0x80 [ 12.263869] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.263893] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.263916] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.263941] kthread+0x337/0x6f0 [ 12.263959] ? trace_preempt_on+0x20/0xc0 [ 12.263981] ? __pfx_kthread+0x10/0x10 [ 12.264001] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.264022] ? calculate_sigpending+0x7b/0xa0 [ 12.264046] ? __pfx_kthread+0x10/0x10 [ 12.264066] ret_from_fork+0x116/0x1d0 [ 12.264084] ? __pfx_kthread+0x10/0x10 [ 12.264104] ret_from_fork_asm+0x1a/0x30 [ 12.264134] </TASK> [ 12.264143] [ 12.272163] The buggy address belongs to the physical page: [ 12.272576] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102110 [ 12.272922] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.273212] flags: 0x200000000000040(head|node=0|zone=2) [ 12.273421] page_type: f8(unknown) [ 12.273626] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.274092] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.274566] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.274863] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.275130] head: 0200000000000002 ffffea0004084401 00000000ffffffff 00000000ffffffff [ 12.275500] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.275797] page dumped because: kasan: bad access detected [ 12.275966] [ 12.276078] Memory state around the buggy address: [ 12.276314] ffff888102111f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.276836] ffff888102111f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.277151] >ffff888102112000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.277393] ^ [ 12.277536] ffff888102112080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.277962] ffff888102112100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.278205] ==================================================================