Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.054420] ================================================================== [ 17.054482] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 17.054535] Read of size 64 at addr fff00000c57c9b04 by task kunit_try_catch/183 [ 17.054599] [ 17.054631] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.054712] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.054738] Hardware name: linux,dummy-virt (DT) [ 17.054769] Call trace: [ 17.054791] show_stack+0x20/0x38 (C) [ 17.054839] dump_stack_lvl+0x8c/0xd0 [ 17.054939] print_report+0x118/0x608 [ 17.054990] kasan_report+0xdc/0x128 [ 17.055035] kasan_check_range+0x100/0x1a8 [ 17.055084] __asan_memmove+0x3c/0x98 [ 17.055127] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 17.055177] kunit_try_run_case+0x170/0x3f0 [ 17.055224] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.055275] kthread+0x328/0x630 [ 17.055316] ret_from_fork+0x10/0x20 [ 17.055363] [ 17.055381] Allocated by task 183: [ 17.055408] kasan_save_stack+0x3c/0x68 [ 17.055448] kasan_save_track+0x20/0x40 [ 17.055484] kasan_save_alloc_info+0x40/0x58 [ 17.055523] __kasan_kmalloc+0xd4/0xd8 [ 17.055559] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.055608] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 17.055647] kunit_try_run_case+0x170/0x3f0 [ 17.055683] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.055726] kthread+0x328/0x630 [ 17.055757] ret_from_fork+0x10/0x20 [ 17.055792] [ 17.055810] The buggy address belongs to the object at fff00000c57c9b00 [ 17.055810] which belongs to the cache kmalloc-64 of size 64 [ 17.055925] The buggy address is located 4 bytes inside of [ 17.055925] allocated 64-byte region [fff00000c57c9b00, fff00000c57c9b40) [ 17.055994] [ 17.056086] The buggy address belongs to the physical page: [ 17.056117] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1057c9 [ 17.056171] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.056219] page_type: f5(slab) [ 17.056257] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 17.056500] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 17.056541] page dumped because: kasan: bad access detected [ 17.056584] [ 17.056604] Memory state around the buggy address: [ 17.056638] fff00000c57c9a00: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 17.056683] fff00000c57c9a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 17.056727] >fff00000c57c9b00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 17.056767] ^ [ 17.056820] fff00000c57c9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.056864] fff00000c57c9c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.057082] ==================================================================
[ 11.823042] ================================================================== [ 11.823605] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.824152] Read of size 64 at addr ffff8881033ab484 by task kunit_try_catch/199 [ 11.824622] [ 11.824810] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.824859] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.824871] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.824892] Call Trace: [ 11.824904] <TASK> [ 11.824924] dump_stack_lvl+0x73/0xb0 [ 11.824955] print_report+0xd1/0x650 [ 11.824979] ? __virt_addr_valid+0x1db/0x2d0 [ 11.825003] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.825044] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.825065] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.825099] kasan_report+0x141/0x180 [ 11.825120] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.825147] kasan_check_range+0x10c/0x1c0 [ 11.825169] __asan_memmove+0x27/0x70 [ 11.825188] kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.825219] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 11.825242] ? __schedule+0x10cc/0x2b60 [ 11.825265] ? __pfx_read_tsc+0x10/0x10 [ 11.825296] ? ktime_get_ts64+0x86/0x230 [ 11.825319] kunit_try_run_case+0x1a5/0x480 [ 11.825342] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.825363] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.825394] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.825416] ? __kthread_parkme+0x82/0x180 [ 11.825435] ? preempt_count_sub+0x50/0x80 [ 11.825469] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.825491] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.825512] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.825534] kthread+0x337/0x6f0 [ 11.825552] ? trace_preempt_on+0x20/0xc0 [ 11.825575] ? __pfx_kthread+0x10/0x10 [ 11.825594] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.825614] ? calculate_sigpending+0x7b/0xa0 [ 11.825636] ? __pfx_kthread+0x10/0x10 [ 11.825713] ret_from_fork+0x116/0x1d0 [ 11.825734] ? __pfx_kthread+0x10/0x10 [ 11.825754] ret_from_fork_asm+0x1a/0x30 [ 11.825784] </TASK> [ 11.825795] [ 11.836406] Allocated by task 199: [ 11.836752] kasan_save_stack+0x45/0x70 [ 11.836973] kasan_save_track+0x18/0x40 [ 11.837386] kasan_save_alloc_info+0x3b/0x50 [ 11.837736] __kasan_kmalloc+0xb7/0xc0 [ 11.838014] __kmalloc_cache_noprof+0x189/0x420 [ 11.838332] kmalloc_memmove_invalid_size+0xac/0x330 [ 11.838559] kunit_try_run_case+0x1a5/0x480 [ 11.838944] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.839523] kthread+0x337/0x6f0 [ 11.839679] ret_from_fork+0x116/0x1d0 [ 11.840230] ret_from_fork_asm+0x1a/0x30 [ 11.840423] [ 11.840523] The buggy address belongs to the object at ffff8881033ab480 [ 11.840523] which belongs to the cache kmalloc-64 of size 64 [ 11.841248] The buggy address is located 4 bytes inside of [ 11.841248] allocated 64-byte region [ffff8881033ab480, ffff8881033ab4c0) [ 11.842112] [ 11.842207] The buggy address belongs to the physical page: [ 11.842517] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033ab [ 11.843000] flags: 0x200000000000000(node=0|zone=2) [ 11.843250] page_type: f5(slab) [ 11.843409] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 11.844126] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 11.844439] page dumped because: kasan: bad access detected [ 11.844750] [ 11.845001] Memory state around the buggy address: [ 11.845236] ffff8881033ab380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.845665] ffff8881033ab400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.846120] >ffff8881033ab480: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 11.846428] ^ [ 11.846804] ffff8881033ab500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.847125] ffff8881033ab580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.847419] ==================================================================