Date
June 17, 2025, 3:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.840577] ================================================================== [ 21.840767] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 21.840937] Write of size 16 at addr fff00000c794b369 by task kunit_try_catch/180 [ 21.841064] [ 21.841150] CPU: 0 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT [ 21.841365] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.841683] Hardware name: linux,dummy-virt (DT) [ 21.841790] Call trace: [ 21.841848] show_stack+0x20/0x38 (C) [ 21.841974] dump_stack_lvl+0x8c/0xd0 [ 21.842100] print_report+0x118/0x608 [ 21.842193] kasan_report+0xdc/0x128 [ 21.842275] kasan_check_range+0x100/0x1a8 [ 21.842793] __asan_memset+0x34/0x78 [ 21.842930] kmalloc_oob_memset_16+0x150/0x2f8 [ 21.843089] kunit_try_run_case+0x170/0x3f0 [ 21.843361] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.843623] kthread+0x328/0x630 [ 21.844004] ret_from_fork+0x10/0x20 [ 21.844313] [ 21.844440] Allocated by task 180: [ 21.844514] kasan_save_stack+0x3c/0x68 [ 21.844629] kasan_save_track+0x20/0x40 [ 21.844723] kasan_save_alloc_info+0x40/0x58 [ 21.844827] __kasan_kmalloc+0xd4/0xd8 [ 21.844916] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.845017] kmalloc_oob_memset_16+0xb0/0x2f8 [ 21.845117] kunit_try_run_case+0x170/0x3f0 [ 21.845217] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.845339] kthread+0x328/0x630 [ 21.845416] ret_from_fork+0x10/0x20 [ 21.845507] [ 21.845556] The buggy address belongs to the object at fff00000c794b300 [ 21.845556] which belongs to the cache kmalloc-128 of size 128 [ 21.845704] The buggy address is located 105 bytes inside of [ 21.845704] allocated 120-byte region [fff00000c794b300, fff00000c794b378) [ 21.845873] [ 21.845928] The buggy address belongs to the physical page: [ 21.846701] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10794b [ 21.847032] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.847166] page_type: f5(slab) [ 21.847263] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.847391] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.847495] page dumped because: kasan: bad access detected [ 21.847579] [ 21.847630] Memory state around the buggy address: [ 21.847714] fff00000c794b200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.847829] fff00000c794b280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.848070] >fff00000c794b300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.848298] ^ [ 21.848533] fff00000c794b380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.848754] fff00000c794b400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.848966] ==================================================================
[ 19.446516] ================================================================== [ 19.447377] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 19.447974] Write of size 16 at addr ffff888102ed7469 by task kunit_try_catch/198 [ 19.449502] [ 19.449751] CPU: 1 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT(voluntary) [ 19.449877] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.450423] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.450489] Call Trace: [ 19.450520] <TASK> [ 19.450564] dump_stack_lvl+0x73/0xb0 [ 19.450650] print_report+0xd1/0x650 [ 19.450720] ? __virt_addr_valid+0x1db/0x2d0 [ 19.450795] ? kmalloc_oob_memset_16+0x166/0x330 [ 19.450841] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.450876] ? kmalloc_oob_memset_16+0x166/0x330 [ 19.450911] kasan_report+0x141/0x180 [ 19.450969] ? kmalloc_oob_memset_16+0x166/0x330 [ 19.451080] kasan_check_range+0x10c/0x1c0 [ 19.451169] __asan_memset+0x27/0x50 [ 19.451205] kmalloc_oob_memset_16+0x166/0x330 [ 19.451244] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 19.451283] ? __schedule+0x10cc/0x2b60 [ 19.451346] ? __pfx_read_tsc+0x10/0x10 [ 19.451380] ? ktime_get_ts64+0x86/0x230 [ 19.451420] kunit_try_run_case+0x1a5/0x480 [ 19.451460] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.451495] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.451533] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.451569] ? __kthread_parkme+0x82/0x180 [ 19.451605] ? preempt_count_sub+0x50/0x80 [ 19.451645] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.451682] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.451717] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.451753] kthread+0x337/0x6f0 [ 19.451778] ? trace_preempt_on+0x20/0xc0 [ 19.451814] ? __pfx_kthread+0x10/0x10 [ 19.451840] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.451882] ? calculate_sigpending+0x7b/0xa0 [ 19.451920] ? __pfx_kthread+0x10/0x10 [ 19.451954] ret_from_fork+0x41/0x80 [ 19.452056] ? __pfx_kthread+0x10/0x10 [ 19.452121] ret_from_fork_asm+0x1a/0x30 [ 19.452172] </TASK> [ 19.452189] [ 19.473963] Allocated by task 198: [ 19.474505] kasan_save_stack+0x45/0x70 [ 19.475531] kasan_save_track+0x18/0x40 [ 19.475970] kasan_save_alloc_info+0x3b/0x50 [ 19.476779] __kasan_kmalloc+0xb7/0xc0 [ 19.477654] __kmalloc_cache_noprof+0x189/0x420 [ 19.477972] kmalloc_oob_memset_16+0xac/0x330 [ 19.478634] kunit_try_run_case+0x1a5/0x480 [ 19.479015] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.479954] kthread+0x337/0x6f0 [ 19.480762] ret_from_fork+0x41/0x80 [ 19.481187] ret_from_fork_asm+0x1a/0x30 [ 19.481676] [ 19.481896] The buggy address belongs to the object at ffff888102ed7400 [ 19.481896] which belongs to the cache kmalloc-128 of size 128 [ 19.482966] The buggy address is located 105 bytes inside of [ 19.482966] allocated 120-byte region [ffff888102ed7400, ffff888102ed7478) [ 19.484063] [ 19.484824] The buggy address belongs to the physical page: [ 19.485689] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ed7 [ 19.486329] flags: 0x200000000000000(node=0|zone=2) [ 19.486959] page_type: f5(slab) [ 19.487594] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.488996] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.489594] page dumped because: kasan: bad access detected [ 19.490001] [ 19.490470] Memory state around the buggy address: [ 19.490920] ffff888102ed7300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.492089] ffff888102ed7380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.493221] >ffff888102ed7400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.493803] ^ [ 19.494698] ffff888102ed7480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.495635] ffff888102ed7500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.496646] ==================================================================