Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.816682] ================================================================== [ 16.816753] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 16.817010] Write of size 16 at addr fff00000c1193660 by task kunit_try_catch/175 [ 16.817089] [ 16.817135] CPU: 1 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 16.817298] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.817327] Hardware name: linux,dummy-virt (DT) [ 16.817359] Call trace: [ 16.817399] show_stack+0x20/0x38 (C) [ 16.817631] dump_stack_lvl+0x8c/0xd0 [ 16.817802] print_report+0x118/0x608 [ 16.817857] kasan_report+0xdc/0x128 [ 16.817911] __asan_report_store16_noabort+0x20/0x30 [ 16.817970] kmalloc_oob_16+0x3a0/0x3f8 [ 16.818015] kunit_try_run_case+0x170/0x3f0 [ 16.818177] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.818427] kthread+0x328/0x630 [ 16.818578] ret_from_fork+0x10/0x20 [ 16.818744] [ 16.818794] Allocated by task 175: [ 16.818861] kasan_save_stack+0x3c/0x68 [ 16.819028] kasan_save_track+0x20/0x40 [ 16.819105] kasan_save_alloc_info+0x40/0x58 [ 16.819149] __kasan_kmalloc+0xd4/0xd8 [ 16.819192] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.819232] kmalloc_oob_16+0xb4/0x3f8 [ 16.819267] kunit_try_run_case+0x170/0x3f0 [ 16.819304] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.819405] kthread+0x328/0x630 [ 16.819460] ret_from_fork+0x10/0x20 [ 16.819495] [ 16.819514] The buggy address belongs to the object at fff00000c1193660 [ 16.819514] which belongs to the cache kmalloc-16 of size 16 [ 16.819581] The buggy address is located 0 bytes inside of [ 16.819581] allocated 13-byte region [fff00000c1193660, fff00000c119366d) [ 16.819647] [ 16.819678] The buggy address belongs to the physical page: [ 16.819718] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101193 [ 16.819773] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.819832] page_type: f5(slab) [ 16.819881] raw: 0bfffe0000000000 fff00000c0001640 dead000000000100 dead000000000122 [ 16.820184] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 16.820402] page dumped because: kasan: bad access detected [ 16.820475] [ 16.820599] Memory state around the buggy address: [ 16.820644] fff00000c1193500: fa fb fc fc fa fb fc fc fa fb fc fc 00 00 fc fc [ 16.820689] fff00000c1193580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 16.820774] >fff00000c1193600: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 16.821018] ^ [ 16.821095] fff00000c1193680: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.821307] fff00000c1193700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.821607] ==================================================================
[ 17.880803] ================================================================== [ 17.881633] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 17.882509] Write of size 16 at addr ffff8881022644e0 by task kunit_try_catch/193 [ 17.883180] [ 17.883607] CPU: 1 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 17.883742] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.883780] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.883895] Call Trace: [ 17.883942] <TASK> [ 17.883993] dump_stack_lvl+0x73/0xb0 [ 17.884085] print_report+0xd1/0x650 [ 17.884157] ? __virt_addr_valid+0x1db/0x2d0 [ 17.884683] ? kmalloc_oob_16+0x452/0x4a0 [ 17.884755] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.884824] ? kmalloc_oob_16+0x452/0x4a0 [ 17.884888] kasan_report+0x141/0x180 [ 17.884922] ? kmalloc_oob_16+0x452/0x4a0 [ 17.884959] __asan_report_store16_noabort+0x1b/0x30 [ 17.884995] kmalloc_oob_16+0x452/0x4a0 [ 17.885024] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 17.885055] ? __schedule+0x10cc/0x2b60 [ 17.885085] ? irqentry_exit+0x2a/0x60 [ 17.885114] ? __pfx_read_tsc+0x10/0x10 [ 17.885145] ? ktime_get_ts64+0x86/0x230 [ 17.885179] kunit_try_run_case+0x1a5/0x480 [ 17.885227] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 17.885299] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.885396] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.885442] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.885477] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.885510] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.885543] kthread+0x337/0x6f0 [ 17.885573] ? trace_preempt_on+0x20/0xc0 [ 17.885607] ? __pfx_kthread+0x10/0x10 [ 17.885636] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.885670] ? calculate_sigpending+0x7b/0xa0 [ 17.885705] ? __pfx_kthread+0x10/0x10 [ 17.885735] ret_from_fork+0x116/0x1d0 [ 17.885760] ? __pfx_kthread+0x10/0x10 [ 17.885788] ret_from_fork_asm+0x1a/0x30 [ 17.885850] </TASK> [ 17.885872] [ 17.901048] Allocated by task 193: [ 17.901569] kasan_save_stack+0x45/0x70 [ 17.901982] kasan_save_track+0x18/0x40 [ 17.902742] kasan_save_alloc_info+0x3b/0x50 [ 17.903208] __kasan_kmalloc+0xb7/0xc0 [ 17.903857] __kmalloc_cache_noprof+0x189/0x420 [ 17.904463] kmalloc_oob_16+0xa8/0x4a0 [ 17.904858] kunit_try_run_case+0x1a5/0x480 [ 17.905420] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.905772] kthread+0x337/0x6f0 [ 17.906161] ret_from_fork+0x116/0x1d0 [ 17.906983] ret_from_fork_asm+0x1a/0x30 [ 17.907589] [ 17.907819] The buggy address belongs to the object at ffff8881022644e0 [ 17.907819] which belongs to the cache kmalloc-16 of size 16 [ 17.908805] The buggy address is located 0 bytes inside of [ 17.908805] allocated 13-byte region [ffff8881022644e0, ffff8881022644ed) [ 17.909771] [ 17.910026] The buggy address belongs to the physical page: [ 17.911002] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102264 [ 17.911876] flags: 0x200000000000000(node=0|zone=2) [ 17.912486] page_type: f5(slab) [ 17.912852] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 [ 17.913709] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 17.914166] page dumped because: kasan: bad access detected [ 17.915074] [ 17.915712] Memory state around the buggy address: [ 17.916161] ffff888102264380: 00 06 fc fc 00 06 fc fc 00 06 fc fc fa fb fc fc [ 17.916864] ffff888102264400: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 17.917756] >ffff888102264480: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 17.918728] ^ [ 17.919448] ffff888102264500: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.920134] ffff888102264580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.920829] ==================================================================