Date
July 10, 2025, 6:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.568862] ================================================================== [ 16.568946] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 16.569170] Write of size 1 at addr fff00000c78a200a by task kunit_try_catch/146 [ 16.569231] [ 16.569284] CPU: 1 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.569737] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.569764] Hardware name: linux,dummy-virt (DT) [ 16.569796] Call trace: [ 16.569820] show_stack+0x20/0x38 (C) [ 16.570104] dump_stack_lvl+0x8c/0xd0 [ 16.570188] print_report+0x118/0x608 [ 16.570244] kasan_report+0xdc/0x128 [ 16.570291] __asan_report_store1_noabort+0x20/0x30 [ 16.570880] kmalloc_large_oob_right+0x278/0x2b8 [ 16.571008] kunit_try_run_case+0x170/0x3f0 [ 16.571247] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.571370] kthread+0x328/0x630 [ 16.571661] ret_from_fork+0x10/0x20 [ 16.571744] [ 16.571935] The buggy address belongs to the physical page: [ 16.571970] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078a0 [ 16.572432] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.572485] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.572552] page_type: f8(unknown) [ 16.572828] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.572978] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.573278] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.573456] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.573633] head: 0bfffe0000000002 ffffc1ffc31e2801 00000000ffffffff 00000000ffffffff [ 16.573963] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.574004] page dumped because: kasan: bad access detected [ 16.574034] [ 16.574052] Memory state around the buggy address: [ 16.574235] fff00000c78a1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.574288] fff00000c78a1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.574515] >fff00000c78a2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.574578] ^ [ 16.574607] fff00000c78a2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.574989] fff00000c78a2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.575223] ==================================================================
[ 12.048119] ================================================================== [ 12.048627] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.049588] Write of size 1 at addr ffff888102a5200a by task kunit_try_catch/163 [ 12.050561] [ 12.050709] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.050755] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.050766] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.050785] Call Trace: [ 12.050798] <TASK> [ 12.050814] dump_stack_lvl+0x73/0xb0 [ 12.050845] print_report+0xd1/0x650 [ 12.050867] ? __virt_addr_valid+0x1db/0x2d0 [ 12.050890] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.050911] ? kasan_addr_to_slab+0x11/0xa0 [ 12.051163] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.051192] kasan_report+0x141/0x180 [ 12.051214] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.051275] __asan_report_store1_noabort+0x1b/0x30 [ 12.051303] kmalloc_large_oob_right+0x2e9/0x330 [ 12.051325] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.051350] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.051377] kunit_try_run_case+0x1a5/0x480 [ 12.051403] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.051426] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.051450] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.051474] ? __kthread_parkme+0x82/0x180 [ 12.051494] ? preempt_count_sub+0x50/0x80 [ 12.051519] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.051544] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.051568] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.051594] kthread+0x337/0x6f0 [ 12.051613] ? trace_preempt_on+0x20/0xc0 [ 12.051636] ? __pfx_kthread+0x10/0x10 [ 12.051656] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.051677] ? calculate_sigpending+0x7b/0xa0 [ 12.051701] ? __pfx_kthread+0x10/0x10 [ 12.051722] ret_from_fork+0x116/0x1d0 [ 12.051740] ? __pfx_kthread+0x10/0x10 [ 12.051760] ret_from_fork_asm+0x1a/0x30 [ 12.051790] </TASK> [ 12.051800] [ 12.058666] The buggy address belongs to the physical page: [ 12.058865] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a50 [ 12.059283] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.059568] flags: 0x200000000000040(head|node=0|zone=2) [ 12.059760] page_type: f8(unknown) [ 12.059888] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.060223] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.060680] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.061126] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.061543] head: 0200000000000002 ffffea00040a9401 00000000ffffffff 00000000ffffffff [ 12.061952] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.062202] page dumped because: kasan: bad access detected [ 12.062458] [ 12.062548] Memory state around the buggy address: [ 12.062785] ffff888102a51f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.063163] ffff888102a51f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.063464] >ffff888102a52000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.063716] ^ [ 12.063852] ffff888102a52080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.064179] ffff888102a52100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.064567] ==================================================================