Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.790674] ================================================================== [ 16.790735] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 16.790814] Read of size 64 at addr fff00000c592f604 by task kunit_try_catch/182 [ 16.790865] [ 16.790893] CPU: 1 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.791338] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.791436] Hardware name: linux,dummy-virt (DT) [ 16.791546] Call trace: [ 16.791576] show_stack+0x20/0x38 (C) [ 16.791626] dump_stack_lvl+0x8c/0xd0 [ 16.791670] print_report+0x118/0x5d0 [ 16.791959] kasan_report+0xdc/0x128 [ 16.792136] kasan_check_range+0x100/0x1a8 [ 16.792245] __asan_memmove+0x3c/0x98 [ 16.792354] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 16.792454] kunit_try_run_case+0x170/0x3f0 [ 16.792499] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.792551] kthread+0x328/0x630 [ 16.792812] ret_from_fork+0x10/0x20 [ 16.793005] [ 16.793062] Allocated by task 182: [ 16.793166] kasan_save_stack+0x3c/0x68 [ 16.793268] kasan_save_track+0x20/0x40 [ 16.793339] kasan_save_alloc_info+0x40/0x58 [ 16.793380] __kasan_kmalloc+0xd4/0xd8 [ 16.793439] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.793720] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 16.793845] kunit_try_run_case+0x170/0x3f0 [ 16.793978] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.794035] kthread+0x328/0x630 [ 16.794067] ret_from_fork+0x10/0x20 [ 16.794405] [ 16.794454] The buggy address belongs to the object at fff00000c592f600 [ 16.794454] which belongs to the cache kmalloc-64 of size 64 [ 16.794559] The buggy address is located 4 bytes inside of [ 16.794559] allocated 64-byte region [fff00000c592f600, fff00000c592f640) [ 16.794668] [ 16.794719] The buggy address belongs to the physical page: [ 16.794770] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10592f [ 16.794836] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.795135] page_type: f5(slab) [ 16.795204] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 16.795284] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 16.795395] page dumped because: kasan: bad access detected [ 16.795446] [ 16.795464] Memory state around the buggy address: [ 16.795496] fff00000c592f500: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 16.795540] fff00000c592f580: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 16.795583] >fff00000c592f600: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 16.795624] ^ [ 16.795833] fff00000c592f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.795925] fff00000c592f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.795981] ==================================================================
[ 13.188257] ================================================================== [ 13.188806] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 13.189304] Read of size 64 at addr ffff888103a50184 by task kunit_try_catch/199 [ 13.189626] [ 13.189738] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.189780] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.189791] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.189812] Call Trace: [ 13.189824] <TASK> [ 13.189839] dump_stack_lvl+0x73/0xb0 [ 13.189869] print_report+0xd1/0x610 [ 13.189892] ? __virt_addr_valid+0x1db/0x2d0 [ 13.189916] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 13.189941] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.189964] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 13.190115] kasan_report+0x141/0x180 [ 13.190142] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 13.190173] kasan_check_range+0x10c/0x1c0 [ 13.190198] __asan_memmove+0x27/0x70 [ 13.190218] kmalloc_memmove_invalid_size+0x16f/0x330 [ 13.190243] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 13.190283] ? __schedule+0x10cc/0x2b60 [ 13.190306] ? __pfx_read_tsc+0x10/0x10 [ 13.190327] ? ktime_get_ts64+0x86/0x230 [ 13.190351] kunit_try_run_case+0x1a5/0x480 [ 13.190376] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.190399] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.190424] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.190448] ? __kthread_parkme+0x82/0x180 [ 13.190469] ? preempt_count_sub+0x50/0x80 [ 13.190493] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.190517] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.190542] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.190567] kthread+0x337/0x6f0 [ 13.190586] ? trace_preempt_on+0x20/0xc0 [ 13.190610] ? __pfx_kthread+0x10/0x10 [ 13.190630] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.190651] ? calculate_sigpending+0x7b/0xa0 [ 13.190676] ? __pfx_kthread+0x10/0x10 [ 13.190698] ret_from_fork+0x116/0x1d0 [ 13.190721] ? __pfx_kthread+0x10/0x10 [ 13.190741] ret_from_fork_asm+0x1a/0x30 [ 13.190771] </TASK> [ 13.190781] [ 13.198339] Allocated by task 199: [ 13.198519] kasan_save_stack+0x45/0x70 [ 13.198730] kasan_save_track+0x18/0x40 [ 13.198901] kasan_save_alloc_info+0x3b/0x50 [ 13.199127] __kasan_kmalloc+0xb7/0xc0 [ 13.199277] __kmalloc_cache_noprof+0x189/0x420 [ 13.199463] kmalloc_memmove_invalid_size+0xac/0x330 [ 13.199702] kunit_try_run_case+0x1a5/0x480 [ 13.199910] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.200237] kthread+0x337/0x6f0 [ 13.200423] ret_from_fork+0x116/0x1d0 [ 13.200615] ret_from_fork_asm+0x1a/0x30 [ 13.200812] [ 13.200908] The buggy address belongs to the object at ffff888103a50180 [ 13.200908] which belongs to the cache kmalloc-64 of size 64 [ 13.201561] The buggy address is located 4 bytes inside of [ 13.201561] allocated 64-byte region [ffff888103a50180, ffff888103a501c0) [ 13.201926] [ 13.202120] The buggy address belongs to the physical page: [ 13.202384] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a50 [ 13.202737] flags: 0x200000000000000(node=0|zone=2) [ 13.203040] page_type: f5(slab) [ 13.203220] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 13.203564] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 13.203847] page dumped because: kasan: bad access detected [ 13.204125] [ 13.204197] Memory state around the buggy address: [ 13.204380] ffff888103a50080: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 13.204703] ffff888103a50100: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 13.205184] >ffff888103a50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 13.205523] ^ [ 13.205757] ffff888103a50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.206120] ffff888103a50280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.206368] ==================================================================