Date
July 12, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.605165] ================================================================== [ 19.605354] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 19.605488] Read of size 64 at addr fff00000c5999e84 by task kunit_try_catch/183 [ 19.605607] [ 19.605684] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.605907] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.605971] Hardware name: linux,dummy-virt (DT) [ 19.606041] Call trace: [ 19.606107] show_stack+0x20/0x38 (C) [ 19.606237] dump_stack_lvl+0x8c/0xd0 [ 19.606384] print_report+0x118/0x608 [ 19.606566] kasan_report+0xdc/0x128 [ 19.606721] kasan_check_range+0x100/0x1a8 [ 19.607295] __asan_memmove+0x3c/0x98 [ 19.607579] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 19.607861] kunit_try_run_case+0x170/0x3f0 [ 19.607973] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.608091] kthread+0x328/0x630 [ 19.608189] ret_from_fork+0x10/0x20 [ 19.609020] [ 19.609495] Allocated by task 183: [ 19.609583] kasan_save_stack+0x3c/0x68 [ 19.609877] kasan_save_track+0x20/0x40 [ 19.610101] kasan_save_alloc_info+0x40/0x58 [ 19.610264] __kasan_kmalloc+0xd4/0xd8 [ 19.610359] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.610457] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 19.610568] kunit_try_run_case+0x170/0x3f0 [ 19.610663] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.610773] kthread+0x328/0x630 [ 19.610870] ret_from_fork+0x10/0x20 [ 19.610955] [ 19.611000] The buggy address belongs to the object at fff00000c5999e80 [ 19.611000] which belongs to the cache kmalloc-64 of size 64 [ 19.611136] The buggy address is located 4 bytes inside of [ 19.611136] allocated 64-byte region [fff00000c5999e80, fff00000c5999ec0) [ 19.611277] [ 19.611328] The buggy address belongs to the physical page: [ 19.613692] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105999 [ 19.614687] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.615172] page_type: f5(slab) [ 19.615577] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 19.616143] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 19.616345] page dumped because: kasan: bad access detected [ 19.617120] [ 19.617217] Memory state around the buggy address: [ 19.617635] fff00000c5999d80: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 19.617747] fff00000c5999e00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 19.617849] >fff00000c5999e80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 19.617938] ^ [ 19.618899] fff00000c5999f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.619366] fff00000c5999f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.619898] ==================================================================
[ 12.839956] ================================================================== [ 12.840470] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.841074] Read of size 64 at addr ffff888102658b04 by task kunit_try_catch/200 [ 12.841360] [ 12.841469] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.841511] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.841522] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.841540] Call Trace: [ 12.841553] <TASK> [ 12.841567] dump_stack_lvl+0x73/0xb0 [ 12.841596] print_report+0xd1/0x650 [ 12.841619] ? __virt_addr_valid+0x1db/0x2d0 [ 12.841642] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.841667] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.841690] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.841715] kasan_report+0x141/0x180 [ 12.841736] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.841779] kasan_check_range+0x10c/0x1c0 [ 12.842037] __asan_memmove+0x27/0x70 [ 12.842064] kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.842090] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 12.842117] ? __schedule+0x10cc/0x2b60 [ 12.842140] ? __pfx_read_tsc+0x10/0x10 [ 12.842161] ? ktime_get_ts64+0x86/0x230 [ 12.842184] kunit_try_run_case+0x1a5/0x480 [ 12.842208] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.842231] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.842254] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.842278] ? __kthread_parkme+0x82/0x180 [ 12.842298] ? preempt_count_sub+0x50/0x80 [ 12.842322] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.842346] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.842376] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.842401] kthread+0x337/0x6f0 [ 12.842420] ? trace_preempt_on+0x20/0xc0 [ 12.842443] ? __pfx_kthread+0x10/0x10 [ 12.842463] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.842485] ? calculate_sigpending+0x7b/0xa0 [ 12.842509] ? __pfx_kthread+0x10/0x10 [ 12.842530] ret_from_fork+0x116/0x1d0 [ 12.842548] ? __pfx_kthread+0x10/0x10 [ 12.842569] ret_from_fork_asm+0x1a/0x30 [ 12.842598] </TASK> [ 12.842609] [ 12.850312] Allocated by task 200: [ 12.850468] kasan_save_stack+0x45/0x70 [ 12.850665] kasan_save_track+0x18/0x40 [ 12.850866] kasan_save_alloc_info+0x3b/0x50 [ 12.851246] __kasan_kmalloc+0xb7/0xc0 [ 12.851402] __kmalloc_cache_noprof+0x189/0x420 [ 12.851614] kmalloc_memmove_invalid_size+0xac/0x330 [ 12.851811] kunit_try_run_case+0x1a5/0x480 [ 12.852029] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.852281] kthread+0x337/0x6f0 [ 12.852447] ret_from_fork+0x116/0x1d0 [ 12.852580] ret_from_fork_asm+0x1a/0x30 [ 12.852719] [ 12.852797] The buggy address belongs to the object at ffff888102658b00 [ 12.852797] which belongs to the cache kmalloc-64 of size 64 [ 12.853267] The buggy address is located 4 bytes inside of [ 12.853267] allocated 64-byte region [ffff888102658b00, ffff888102658b40) [ 12.853832] [ 12.853906] The buggy address belongs to the physical page: [ 12.854078] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102658 [ 12.854317] flags: 0x200000000000000(node=0|zone=2) [ 12.854553] page_type: f5(slab) [ 12.854947] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 12.855304] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 12.855640] page dumped because: kasan: bad access detected [ 12.855908] [ 12.856002] Memory state around the buggy address: [ 12.856225] ffff888102658a00: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 12.856533] ffff888102658a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.856921] >ffff888102658b00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 12.857184] ^ [ 12.857425] ffff888102658b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.857775] ffff888102658c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.858041] ==================================================================