Date
June 23, 2025, 1:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.858063] ================================================================== [ 24.858763] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 24.858972] Read of size 64 at addr fff00000c76ce404 by task kunit_try_catch/184 [ 24.859092] [ 24.859179] CPU: 0 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 24.859368] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.859496] Hardware name: linux,dummy-virt (DT) [ 24.859577] Call trace: [ 24.859630] show_stack+0x20/0x38 (C) [ 24.859771] dump_stack_lvl+0x8c/0xd0 [ 24.860537] print_report+0x118/0x608 [ 24.860766] kasan_report+0xdc/0x128 [ 24.861735] kasan_check_range+0x100/0x1a8 [ 24.862306] __asan_memmove+0x3c/0x98 [ 24.862965] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 24.863114] kunit_try_run_case+0x170/0x3f0 [ 24.863235] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.863369] kthread+0x328/0x630 [ 24.863594] ret_from_fork+0x10/0x20 [ 24.863720] [ 24.863764] Allocated by task 184: [ 24.863856] kasan_save_stack+0x3c/0x68 [ 24.864089] kasan_save_track+0x20/0x40 [ 24.864249] kasan_save_alloc_info+0x40/0x58 [ 24.864365] __kasan_kmalloc+0xd4/0xd8 [ 24.864484] __kmalloc_cache_noprof+0x16c/0x3c0 [ 24.864599] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 24.864716] kunit_try_run_case+0x170/0x3f0 [ 24.865169] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.865333] kthread+0x328/0x630 [ 24.865523] ret_from_fork+0x10/0x20 [ 24.865628] [ 24.865712] The buggy address belongs to the object at fff00000c76ce400 [ 24.865712] which belongs to the cache kmalloc-64 of size 64 [ 24.865872] The buggy address is located 4 bytes inside of [ 24.865872] allocated 64-byte region [fff00000c76ce400, fff00000c76ce440) [ 24.866029] [ 24.866089] The buggy address belongs to the physical page: [ 24.866291] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076ce [ 24.866676] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.866996] page_type: f5(slab) [ 24.867100] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 24.867647] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 24.867759] page dumped because: kasan: bad access detected [ 24.867877] [ 24.867998] Memory state around the buggy address: [ 24.868175] fff00000c76ce300: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 24.868379] fff00000c76ce380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.868525] >fff00000c76ce400: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 24.868619] ^ [ 24.868701] fff00000c76ce480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.869301] fff00000c76ce500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.870185] ==================================================================
[ 17.550927] ================================================================== [ 17.551840] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 17.552475] Read of size 64 at addr ffff88810a077884 by task kunit_try_catch/203 [ 17.553078] [ 17.553311] CPU: 1 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 17.553434] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.553468] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.553520] Call Trace: [ 17.553551] <TASK> [ 17.553589] dump_stack_lvl+0x73/0xb0 [ 17.553676] print_report+0xd1/0x650 [ 17.553767] ? __virt_addr_valid+0x1db/0x2d0 [ 17.554466] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 17.554548] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.554664] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 17.554745] kasan_report+0x141/0x180 [ 17.554825] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 17.554903] kasan_check_range+0x10c/0x1c0 [ 17.554979] __asan_memmove+0x27/0x70 [ 17.555050] kmalloc_memmove_invalid_size+0x16f/0x330 [ 17.555118] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 17.555169] ? __schedule+0x10cc/0x2b60 [ 17.555204] ? __pfx_read_tsc+0x10/0x10 [ 17.555287] ? ktime_get_ts64+0x86/0x230 [ 17.555376] kunit_try_run_case+0x1a5/0x480 [ 17.555454] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.555521] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.555571] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.555661] ? __kthread_parkme+0x82/0x180 [ 17.555744] ? preempt_count_sub+0x50/0x80 [ 17.555814] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.555855] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.555889] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.555924] kthread+0x337/0x6f0 [ 17.555948] ? trace_preempt_on+0x20/0xc0 [ 17.555981] ? __pfx_kthread+0x10/0x10 [ 17.556005] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.556038] ? calculate_sigpending+0x7b/0xa0 [ 17.556069] ? __pfx_kthread+0x10/0x10 [ 17.556094] ret_from_fork+0x41/0x80 [ 17.556124] ? __pfx_kthread+0x10/0x10 [ 17.556149] ret_from_fork_asm+0x1a/0x30 [ 17.556191] </TASK> [ 17.556206] [ 17.576971] Allocated by task 203: [ 17.577351] kasan_save_stack+0x45/0x70 [ 17.578020] kasan_save_track+0x18/0x40 [ 17.578562] kasan_save_alloc_info+0x3b/0x50 [ 17.579441] __kasan_kmalloc+0xb7/0xc0 [ 17.580101] __kmalloc_cache_noprof+0x189/0x420 [ 17.580816] kmalloc_memmove_invalid_size+0xac/0x330 [ 17.581377] kunit_try_run_case+0x1a5/0x480 [ 17.582103] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.582590] kthread+0x337/0x6f0 [ 17.583488] ret_from_fork+0x41/0x80 [ 17.584124] ret_from_fork_asm+0x1a/0x30 [ 17.584849] [ 17.585155] The buggy address belongs to the object at ffff88810a077880 [ 17.585155] which belongs to the cache kmalloc-64 of size 64 [ 17.586382] The buggy address is located 4 bytes inside of [ 17.586382] allocated 64-byte region [ffff88810a077880, ffff88810a0778c0) [ 17.587945] [ 17.588181] The buggy address belongs to the physical page: [ 17.588952] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a077 [ 17.589705] flags: 0x200000000000000(node=0|zone=2) [ 17.590341] page_type: f5(slab) [ 17.591044] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 17.591942] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 17.592939] page dumped because: kasan: bad access detected [ 17.593173] [ 17.593318] Memory state around the buggy address: [ 17.593931] ffff88810a077780: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 17.595588] ffff88810a077800: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 17.596500] >ffff88810a077880: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 17.597644] ^ [ 17.597993] ffff88810a077900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.598702] ffff88810a077980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.599275] ==================================================================