Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.006441] ================================================================== [ 18.007469] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 18.007964] Write of size 1 at addr fff00000c606a00a by task kunit_try_catch/136 [ 18.008522] [ 18.008797] CPU: 0 UID: 0 PID: 136 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 18.008979] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.009037] Hardware name: linux,dummy-virt (DT) [ 18.009105] Call trace: [ 18.009168] show_stack+0x20/0x38 (C) [ 18.009290] dump_stack_lvl+0x8c/0xd0 [ 18.009403] print_report+0x118/0x608 [ 18.009485] kasan_report+0xdc/0x128 [ 18.009546] __asan_report_store1_noabort+0x20/0x30 [ 18.009600] kmalloc_large_oob_right+0x278/0x2b8 [ 18.009650] kunit_try_run_case+0x170/0x3f0 [ 18.009700] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.009752] kthread+0x318/0x620 [ 18.009797] ret_from_fork+0x10/0x20 [ 18.009848] [ 18.014301] The buggy address belongs to the physical page: [ 18.014950] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106068 [ 18.015616] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.016296] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.016894] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.017441] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.018008] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.018950] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.019518] head: 0bfffe0000000002 ffffc1ffc3181a01 ffffffffffffffff 0000000000000000 [ 18.020108] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 18.020708] page dumped because: kasan: bad access detected [ 18.021079] [ 18.021336] Memory state around the buggy address: [ 18.021762] fff00000c6069f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.022459] fff00000c6069f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.022782] >fff00000c606a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.023075] ^ [ 18.023276] fff00000c606a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.023564] fff00000c606a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.023845] ==================================================================
[ 12.226882] ================================================================== [ 12.227365] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340 [ 12.227754] Write of size 1 at addr ffff88810288200a by task kunit_try_catch/154 [ 12.228385] [ 12.228524] CPU: 1 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 12.228563] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.228586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.228605] Call Trace: [ 12.228616] <TASK> [ 12.228630] dump_stack_lvl+0x73/0xb0 [ 12.228710] print_report+0xd1/0x650 [ 12.228751] ? __virt_addr_valid+0x1db/0x2d0 [ 12.228774] ? kmalloc_large_oob_right+0x2eb/0x340 [ 12.228794] ? kasan_addr_to_slab+0x11/0xa0 [ 12.228825] ? kmalloc_large_oob_right+0x2eb/0x340 [ 12.228846] kasan_report+0x140/0x180 [ 12.228867] ? kmalloc_large_oob_right+0x2eb/0x340 [ 12.228903] __asan_report_store1_noabort+0x1b/0x30 [ 12.228926] kmalloc_large_oob_right+0x2eb/0x340 [ 12.228947] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.228969] ? __schedule+0xce8/0x2840 [ 12.228991] ? __pfx_read_tsc+0x10/0x10 [ 12.229011] ? ktime_get_ts64+0x86/0x230 [ 12.229046] kunit_try_run_case+0x1a6/0x480 [ 12.229069] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.229089] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.229111] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.229134] ? __kthread_parkme+0x82/0x160 [ 12.229155] ? preempt_count_sub+0x50/0x80 [ 12.229179] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.229201] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.229226] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.229251] kthread+0x324/0x6e0 [ 12.229271] ? trace_preempt_on+0x20/0xc0 [ 12.229293] ? __pfx_kthread+0x10/0x10 [ 12.229314] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.229335] ? calculate_sigpending+0x7b/0xa0 [ 12.229355] ? __pfx_kthread+0x10/0x10 [ 12.229377] ret_from_fork+0x41/0x80 [ 12.229395] ? __pfx_kthread+0x10/0x10 [ 12.229416] ret_from_fork_asm+0x1a/0x30 [ 12.229446] </TASK> [ 12.229456] [ 12.237366] The buggy address belongs to the physical page: [ 12.237614] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102880 [ 12.238047] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.238370] flags: 0x200000000000040(head|node=0|zone=2) [ 12.238696] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.239063] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.239394] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.239775] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.240131] head: 0200000000000002 ffffea00040a2001 ffffffffffffffff 0000000000000000 [ 12.240503] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 12.240747] page dumped because: kasan: bad access detected [ 12.241202] [ 12.241301] Memory state around the buggy address: [ 12.241553] ffff888102881f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.242036] ffff888102881f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.242446] >ffff888102882000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.242772] ^ [ 12.242897] ffff888102882080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.243128] ffff888102882100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.243442] ==================================================================