Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 45.877147] ================================================================== [ 45.887439] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 45.895336] Read of size 64 at addr ffff000805d6fd84 by task kunit_try_catch/263 [ 45.902714] [ 45.904198] CPU: 0 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 45.904252] Tainted: [B]=BAD_PAGE, [N]=TEST [ 45.904269] Hardware name: WinLink E850-96 board (DT) [ 45.904291] Call trace: [ 45.904304] show_stack+0x20/0x38 (C) [ 45.904336] dump_stack_lvl+0x8c/0xd0 [ 45.904373] print_report+0x118/0x5d0 [ 45.904400] kasan_report+0xdc/0x128 [ 45.904426] kasan_check_range+0x100/0x1a8 [ 45.904456] __asan_memmove+0x3c/0x98 [ 45.904485] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 45.904523] kunit_try_run_case+0x170/0x3f0 [ 45.904555] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.904591] kthread+0x328/0x630 [ 45.904620] ret_from_fork+0x10/0x20 [ 45.904656] [ 45.972068] Allocated by task 263: [ 45.975456] kasan_save_stack+0x3c/0x68 [ 45.979272] kasan_save_track+0x20/0x40 [ 45.983091] kasan_save_alloc_info+0x40/0x58 [ 45.987345] __kasan_kmalloc+0xd4/0xd8 [ 45.991078] __kmalloc_cache_noprof+0x16c/0x3c0 [ 45.995591] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 46.000539] kunit_try_run_case+0x170/0x3f0 [ 46.004706] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.010175] kthread+0x328/0x630 [ 46.013386] ret_from_fork+0x10/0x20 [ 46.016945] [ 46.018423] The buggy address belongs to the object at ffff000805d6fd80 [ 46.018423] which belongs to the cache kmalloc-64 of size 64 [ 46.030750] The buggy address is located 4 bytes inside of [ 46.030750] allocated 64-byte region [ffff000805d6fd80, ffff000805d6fdc0) [ 46.043073] [ 46.044553] The buggy address belongs to the physical page: [ 46.050109] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x885d6f [ 46.058094] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 46.064602] page_type: f5(slab) [ 46.067738] raw: 0bfffe0000000000 ffff0008000028c0 dead000000000122 0000000000000000 [ 46.075458] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 46.083178] page dumped because: kasan: bad access detected [ 46.088732] [ 46.090208] Memory state around the buggy address: [ 46.094991] ffff000805d6fc80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 46.102192] ffff000805d6fd00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 46.109396] >ffff000805d6fd80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 46.116596] ^ [ 46.121897] ffff000805d6fe00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.129100] ffff000805d6fe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.136302] ==================================================================
[ 30.670706] ================================================================== [ 30.670954] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 30.671016] Read of size 64 at addr fff00000c6503404 by task kunit_try_catch/214 [ 30.671073] [ 30.671102] CPU: 0 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 30.671206] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.671235] Hardware name: linux,dummy-virt (DT) [ 30.671267] Call trace: [ 30.671288] show_stack+0x20/0x38 (C) [ 30.671335] dump_stack_lvl+0x8c/0xd0 [ 30.671384] print_report+0x118/0x5d0 [ 30.671430] kasan_report+0xdc/0x128 [ 30.671730] kasan_check_range+0x100/0x1a8 [ 30.671815] __asan_memmove+0x3c/0x98 [ 30.671938] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 30.671994] kunit_try_run_case+0x170/0x3f0 [ 30.672042] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.672098] kthread+0x328/0x630 [ 30.672141] ret_from_fork+0x10/0x20 [ 30.672296] [ 30.672374] Allocated by task 214: [ 30.672406] kasan_save_stack+0x3c/0x68 [ 30.672462] kasan_save_track+0x20/0x40 [ 30.672740] kasan_save_alloc_info+0x40/0x58 [ 30.672827] __kasan_kmalloc+0xd4/0xd8 [ 30.672870] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.672936] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 30.672983] kunit_try_run_case+0x170/0x3f0 [ 30.673021] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.673096] kthread+0x328/0x630 [ 30.673150] ret_from_fork+0x10/0x20 [ 30.673212] [ 30.673251] The buggy address belongs to the object at fff00000c6503400 [ 30.673251] which belongs to the cache kmalloc-64 of size 64 [ 30.673322] The buggy address is located 4 bytes inside of [ 30.673322] allocated 64-byte region [fff00000c6503400, fff00000c6503440) [ 30.673457] [ 30.673478] The buggy address belongs to the physical page: [ 30.673513] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106503 [ 30.673682] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.673797] page_type: f5(slab) [ 30.673890] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 30.673990] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 30.674085] page dumped because: kasan: bad access detected [ 30.674180] [ 30.674259] Memory state around the buggy address: [ 30.674354] fff00000c6503300: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 30.674460] fff00000c6503380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 30.674503] >fff00000c6503400: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 30.674541] ^ [ 30.674594] fff00000c6503480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.674637] fff00000c6503500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.674675] ==================================================================
[ 24.263374] ================================================================== [ 24.264279] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 24.264558] Read of size 64 at addr ffff888105911204 by task kunit_try_catch/230 [ 24.265471] [ 24.265795] CPU: 0 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 24.265853] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.265867] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.265890] Call Trace: [ 24.265904] <TASK> [ 24.265922] dump_stack_lvl+0x73/0xb0 [ 24.265957] print_report+0xd1/0x610 [ 24.265985] ? __virt_addr_valid+0x1db/0x2d0 [ 24.266013] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 24.266041] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.266071] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 24.266100] kasan_report+0x141/0x180 [ 24.266127] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 24.266162] kasan_check_range+0x10c/0x1c0 [ 24.266190] __asan_memmove+0x27/0x70 [ 24.266219] kmalloc_memmove_invalid_size+0x16f/0x330 [ 24.266248] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 24.266278] ? __schedule+0x10cc/0x2b60 [ 24.266304] ? __pfx_read_tsc+0x10/0x10 [ 24.266330] ? ktime_get_ts64+0x86/0x230 [ 24.266361] kunit_try_run_case+0x1a5/0x480 [ 24.266389] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.266414] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.266440] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.266475] ? __kthread_parkme+0x82/0x180 [ 24.266500] ? preempt_count_sub+0x50/0x80 [ 24.266734] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.266770] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.266803] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.266834] kthread+0x337/0x6f0 [ 24.266858] ? trace_preempt_on+0x20/0xc0 [ 24.266887] ? __pfx_kthread+0x10/0x10 [ 24.266912] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.266941] ? calculate_sigpending+0x7b/0xa0 [ 24.266970] ? __pfx_kthread+0x10/0x10 [ 24.266997] ret_from_fork+0x116/0x1d0 [ 24.267020] ? __pfx_kthread+0x10/0x10 [ 24.267046] ret_from_fork_asm+0x1a/0x30 [ 24.267085] </TASK> [ 24.267097] [ 24.276870] Allocated by task 230: [ 24.277462] kasan_save_stack+0x45/0x70 [ 24.277935] kasan_save_track+0x18/0x40 [ 24.278119] kasan_save_alloc_info+0x3b/0x50 [ 24.278318] __kasan_kmalloc+0xb7/0xc0 [ 24.278493] __kmalloc_cache_noprof+0x189/0x420 [ 24.279259] kmalloc_memmove_invalid_size+0xac/0x330 [ 24.279570] kunit_try_run_case+0x1a5/0x480 [ 24.279920] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.280163] kthread+0x337/0x6f0 [ 24.280321] ret_from_fork+0x116/0x1d0 [ 24.280486] ret_from_fork_asm+0x1a/0x30 [ 24.280761] [ 24.280849] The buggy address belongs to the object at ffff888105911200 [ 24.280849] which belongs to the cache kmalloc-64 of size 64 [ 24.281324] The buggy address is located 4 bytes inside of [ 24.281324] allocated 64-byte region [ffff888105911200, ffff888105911240) [ 24.282417] [ 24.282675] The buggy address belongs to the physical page: [ 24.283240] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105911 [ 24.284254] flags: 0x200000000000000(node=0|zone=2) [ 24.284483] page_type: f5(slab) [ 24.284680] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 24.284977] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 24.285282] page dumped because: kasan: bad access detected [ 24.285499] [ 24.285676] Memory state around the buggy address: [ 24.285841] ffff888105911100: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.286168] ffff888105911180: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.286416] >ffff888105911200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 24.286898] ^ [ 24.287560] ffff888105911280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.288110] ffff888105911300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.288372] ==================================================================