Date
July 17, 2025, 10:12 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.318164] ================================================================== [ 29.318231] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 29.318281] Write of size 1 at addr fff00000c91ba00a by task kunit_try_catch/177 [ 29.318328] [ 29.318355] CPU: 1 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT [ 29.318436] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.318461] Hardware name: linux,dummy-virt (DT) [ 29.318489] Call trace: [ 29.318511] show_stack+0x20/0x38 (C) [ 29.318556] dump_stack_lvl+0x8c/0xd0 [ 29.318603] print_report+0x118/0x5d0 [ 29.318645] kasan_report+0xdc/0x128 [ 29.318686] __asan_report_store1_noabort+0x20/0x30 [ 29.318734] kmalloc_large_oob_right+0x278/0x2b8 [ 29.318787] kunit_try_run_case+0x170/0x3f0 [ 29.318832] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.318881] kthread+0x328/0x630 [ 29.318922] ret_from_fork+0x10/0x20 [ 29.318967] [ 29.318996] The buggy address belongs to the physical page: [ 29.319025] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1091b8 [ 29.319177] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 29.319231] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 29.319300] page_type: f8(unknown) [ 29.319342] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.319390] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.319439] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.319486] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.319533] head: 0bfffe0000000002 ffffc1ffc3246e01 00000000ffffffff 00000000ffffffff [ 29.319580] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 29.319617] page dumped because: kasan: bad access detected [ 29.319898] [ 29.319995] Memory state around the buggy address: [ 29.320069] fff00000c91b9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.320421] fff00000c91b9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.320498] >fff00000c91ba000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.320566] ^ [ 29.320692] fff00000c91ba080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.320733] fff00000c91ba100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.320786] ==================================================================
[ 25.189512] ================================================================== [ 25.190952] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 25.191891] Write of size 1 at addr ffff888105f5600a by task kunit_try_catch/195 [ 25.192817] [ 25.193049] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT(voluntary) [ 25.193109] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.193121] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.193141] Call Trace: [ 25.193153] <TASK> [ 25.193168] dump_stack_lvl+0x73/0xb0 [ 25.193199] print_report+0xd1/0x610 [ 25.193221] ? __virt_addr_valid+0x1db/0x2d0 [ 25.193243] ? kmalloc_large_oob_right+0x2e9/0x330 [ 25.193317] ? kasan_addr_to_slab+0x11/0xa0 [ 25.193339] ? kmalloc_large_oob_right+0x2e9/0x330 [ 25.193360] kasan_report+0x141/0x180 [ 25.193392] ? kmalloc_large_oob_right+0x2e9/0x330 [ 25.193419] __asan_report_store1_noabort+0x1b/0x30 [ 25.193442] kmalloc_large_oob_right+0x2e9/0x330 [ 25.193464] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 25.193487] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 25.193528] kunit_try_run_case+0x1a5/0x480 [ 25.193552] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.193593] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.193616] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.193638] ? __kthread_parkme+0x82/0x180 [ 25.193661] ? preempt_count_sub+0x50/0x80 [ 25.193682] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.193705] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.193726] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.193748] kthread+0x337/0x6f0 [ 25.193766] ? trace_preempt_on+0x20/0xc0 [ 25.193789] ? __pfx_kthread+0x10/0x10 [ 25.193808] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.193829] ? calculate_sigpending+0x7b/0xa0 [ 25.193851] ? __pfx_kthread+0x10/0x10 [ 25.193872] ret_from_fork+0x116/0x1d0 [ 25.193892] ? __pfx_kthread+0x10/0x10 [ 25.193911] ret_from_fork_asm+0x1a/0x30 [ 25.193947] </TASK> [ 25.193958] [ 25.207758] The buggy address belongs to the physical page: [ 25.208372] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f54 [ 25.208973] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.209403] flags: 0x200000000000040(head|node=0|zone=2) [ 25.209720] page_type: f8(unknown) [ 25.210032] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.210842] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.211219] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.212151] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.212555] head: 0200000000000002 ffffea000417d501 00000000ffffffff 00000000ffffffff [ 25.213256] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.213646] page dumped because: kasan: bad access detected [ 25.213807] [ 25.213867] Memory state around the buggy address: [ 25.214016] ffff888105f55f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.214648] ffff888105f55f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.215478] >ffff888105f56000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.216781] ^ [ 25.217163] ffff888105f56080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.217888] ffff888105f56100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.218115] ==================================================================