Date
July 5, 2025, 5:09 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 18.405444] ================================================================== [ 18.405502] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 18.405551] Read of size 64 at addr fff00000c7818604 by task kunit_try_catch/182 [ 18.405601] [ 18.405630] CPU: 1 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.405710] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.405736] Hardware name: linux,dummy-virt (DT) [ 18.405766] Call trace: [ 18.405787] show_stack+0x20/0x38 (C) [ 18.405832] dump_stack_lvl+0x8c/0xd0 [ 18.405907] print_report+0x118/0x608 [ 18.406126] kasan_report+0xdc/0x128 [ 18.406172] kasan_check_range+0x100/0x1a8 [ 18.406221] __asan_memmove+0x3c/0x98 [ 18.406263] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 18.406313] kunit_try_run_case+0x170/0x3f0 [ 18.406359] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.406409] kthread+0x328/0x630 [ 18.406450] ret_from_fork+0x10/0x20 [ 18.406498] [ 18.406515] Allocated by task 182: [ 18.406541] kasan_save_stack+0x3c/0x68 [ 18.406582] kasan_save_track+0x20/0x40 [ 18.406620] kasan_save_alloc_info+0x40/0x58 [ 18.406669] __kasan_kmalloc+0xd4/0xd8 [ 18.406759] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.406873] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 18.406915] kunit_try_run_case+0x170/0x3f0 [ 18.406951] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.406994] kthread+0x328/0x630 [ 18.407026] ret_from_fork+0x10/0x20 [ 18.407062] [ 18.407096] The buggy address belongs to the object at fff00000c7818600 [ 18.407096] which belongs to the cache kmalloc-64 of size 64 [ 18.407152] The buggy address is located 4 bytes inside of [ 18.407152] allocated 64-byte region [fff00000c7818600, fff00000c7818640) [ 18.407224] [ 18.407245] The buggy address belongs to the physical page: [ 18.407274] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107818 [ 18.407413] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.407464] page_type: f5(slab) [ 18.407594] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 18.407693] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 18.407777] page dumped because: kasan: bad access detected [ 18.407893] [ 18.407910] Memory state around the buggy address: [ 18.407983] fff00000c7818500: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 18.408091] fff00000c7818580: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.408168] >fff00000c7818600: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.408232] ^ [ 18.408269] fff00000c7818680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.408310] fff00000c7818700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.408375] ==================================================================
[ 11.817398] ================================================================== [ 11.818043] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.818662] Read of size 64 at addr ffff8881031aa804 by task kunit_try_catch/200 [ 11.819425] [ 11.819601] CPU: 0 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.819650] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.819663] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.819685] Call Trace: [ 11.819701] <TASK> [ 11.819720] dump_stack_lvl+0x73/0xb0 [ 11.820206] print_report+0xd1/0x650 [ 11.820237] ? __virt_addr_valid+0x1db/0x2d0 [ 11.820261] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.820284] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.820305] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.820329] kasan_report+0x141/0x180 [ 11.820350] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.820378] kasan_check_range+0x10c/0x1c0 [ 11.820401] __asan_memmove+0x27/0x70 [ 11.820420] kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.820444] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 11.820480] ? __schedule+0x10cc/0x2b60 [ 11.820502] ? __pfx_read_tsc+0x10/0x10 [ 11.820522] ? ktime_get_ts64+0x86/0x230 [ 11.820546] kunit_try_run_case+0x1a5/0x480 [ 11.820571] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.820592] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.820615] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.820638] ? __kthread_parkme+0x82/0x180 [ 11.820658] ? preempt_count_sub+0x50/0x80 [ 11.821195] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.821222] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.821244] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.821266] kthread+0x337/0x6f0 [ 11.821285] ? trace_preempt_on+0x20/0xc0 [ 11.821308] ? __pfx_kthread+0x10/0x10 [ 11.821328] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.821348] ? calculate_sigpending+0x7b/0xa0 [ 11.821371] ? __pfx_kthread+0x10/0x10 [ 11.821400] ret_from_fork+0x116/0x1d0 [ 11.821418] ? __pfx_kthread+0x10/0x10 [ 11.821438] ret_from_fork_asm+0x1a/0x30 [ 11.821480] </TASK> [ 11.821492] [ 11.836214] Allocated by task 200: [ 11.837351] kasan_save_stack+0x45/0x70 [ 11.837523] kasan_save_track+0x18/0x40 [ 11.837725] kasan_save_alloc_info+0x3b/0x50 [ 11.837964] __kasan_kmalloc+0xb7/0xc0 [ 11.838132] __kmalloc_cache_noprof+0x189/0x420 [ 11.838321] kmalloc_memmove_invalid_size+0xac/0x330 [ 11.838574] kunit_try_run_case+0x1a5/0x480 [ 11.838753] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.838966] kthread+0x337/0x6f0 [ 11.839200] ret_from_fork+0x116/0x1d0 [ 11.839337] ret_from_fork_asm+0x1a/0x30 [ 11.840846] [ 11.840944] The buggy address belongs to the object at ffff8881031aa800 [ 11.840944] which belongs to the cache kmalloc-64 of size 64 [ 11.841436] The buggy address is located 4 bytes inside of [ 11.841436] allocated 64-byte region [ffff8881031aa800, ffff8881031aa840) [ 11.842000] [ 11.842089] The buggy address belongs to the physical page: [ 11.842291] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031aa [ 11.842625] flags: 0x200000000000000(node=0|zone=2) [ 11.842955] page_type: f5(slab) [ 11.843102] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 11.843415] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 11.843724] page dumped because: kasan: bad access detected [ 11.843949] [ 11.844043] Memory state around the buggy address: [ 11.844265] ffff8881031aa700: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 11.844567] ffff8881031aa780: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.844908] >ffff8881031aa800: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 11.845179] ^ [ 11.846891] ffff8881031aa880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.847185] ffff8881031aa900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.847526] ==================================================================