Date
June 20, 2025, 12:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.916091] ================================================================== [ 31.916275] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 31.916519] Write of size 128 at addr fff00000c44df600 by task kunit_try_catch/181 [ 31.917355] [ 31.917409] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 31.917514] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.917543] Hardware name: linux,dummy-virt (DT) [ 31.917582] Call trace: [ 31.917632] show_stack+0x20/0x38 (C) [ 31.917752] dump_stack_lvl+0x8c/0xd0 [ 31.917848] print_report+0x118/0x608 [ 31.917919] kasan_report+0xdc/0x128 [ 31.918008] kasan_check_range+0x100/0x1a8 [ 31.918063] __asan_memset+0x34/0x78 [ 31.918110] kmalloc_oob_in_memset+0x144/0x2d0 [ 31.918162] kunit_try_run_case+0x170/0x3f0 [ 31.918214] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.918272] kthread+0x328/0x630 [ 31.918317] ret_from_fork+0x10/0x20 [ 31.918373] [ 31.918398] Allocated by task 181: [ 31.918431] kasan_save_stack+0x3c/0x68 [ 31.918483] kasan_save_track+0x20/0x40 [ 31.918525] kasan_save_alloc_info+0x40/0x58 [ 31.918570] __kasan_kmalloc+0xd4/0xd8 [ 31.918624] __kmalloc_cache_noprof+0x16c/0x3c0 [ 31.918674] kmalloc_oob_in_memset+0xb0/0x2d0 [ 31.918715] kunit_try_run_case+0x170/0x3f0 [ 31.918756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.918803] kthread+0x328/0x630 [ 31.918838] ret_from_fork+0x10/0x20 [ 31.918878] [ 31.918902] The buggy address belongs to the object at fff00000c44df600 [ 31.918902] which belongs to the cache kmalloc-128 of size 128 [ 31.918968] The buggy address is located 0 bytes inside of [ 31.918968] allocated 120-byte region [fff00000c44df600, fff00000c44df678) [ 31.919035] [ 31.919061] The buggy address belongs to the physical page: [ 31.919098] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1044df [ 31.919159] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.919221] page_type: f5(slab) [ 31.919273] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 31.919329] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.919376] page dumped because: kasan: bad access detected [ 31.919410] [ 31.919449] Memory state around the buggy address: [ 31.919498] fff00000c44df500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.919547] fff00000c44df580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.919593] >fff00000c44df600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 31.920053] ^ [ 31.920183] fff00000c44df680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.920304] fff00000c44df700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.920410] ==================================================================
[ 25.621108] ================================================================== [ 25.621604] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 25.622464] Write of size 128 at addr ffff888102b17100 by task kunit_try_catch/199 [ 25.622726] [ 25.622872] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 25.622977] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.623004] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.623044] Call Trace: [ 25.623067] <TASK> [ 25.623103] dump_stack_lvl+0x73/0xb0 [ 25.623166] print_report+0xd1/0x650 [ 25.623209] ? __virt_addr_valid+0x1db/0x2d0 [ 25.623242] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.623265] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.623291] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.623313] kasan_report+0x141/0x180 [ 25.623335] ? kmalloc_oob_in_memset+0x15f/0x320 [ 25.623360] kasan_check_range+0x10c/0x1c0 [ 25.623383] __asan_memset+0x27/0x50 [ 25.623403] kmalloc_oob_in_memset+0x15f/0x320 [ 25.623424] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 25.624003] ? __schedule+0x10cc/0x2b60 [ 25.624386] ? __pfx_read_tsc+0x10/0x10 [ 25.624463] ? ktime_get_ts64+0x86/0x230 [ 25.624527] kunit_try_run_case+0x1a5/0x480 [ 25.624582] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.624619] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.624657] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.624693] ? __kthread_parkme+0x82/0x180 [ 25.624727] ? preempt_count_sub+0x50/0x80 [ 25.624766] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.624805] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.624842] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.624878] kthread+0x337/0x6f0 [ 25.624911] ? trace_preempt_on+0x20/0xc0 [ 25.624951] ? __pfx_kthread+0x10/0x10 [ 25.624986] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.625022] ? calculate_sigpending+0x7b/0xa0 [ 25.625061] ? __pfx_kthread+0x10/0x10 [ 25.625102] ret_from_fork+0x116/0x1d0 [ 25.625139] ? __pfx_kthread+0x10/0x10 [ 25.625174] ret_from_fork_asm+0x1a/0x30 [ 25.625214] </TASK> [ 25.625228] [ 25.638881] Allocated by task 199: [ 25.639161] kasan_save_stack+0x45/0x70 [ 25.639374] kasan_save_track+0x18/0x40 [ 25.640156] kasan_save_alloc_info+0x3b/0x50 [ 25.640467] __kasan_kmalloc+0xb7/0xc0 [ 25.640786] __kmalloc_cache_noprof+0x189/0x420 [ 25.641076] kmalloc_oob_in_memset+0xac/0x320 [ 25.641351] kunit_try_run_case+0x1a5/0x480 [ 25.641664] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.642061] kthread+0x337/0x6f0 [ 25.642365] ret_from_fork+0x116/0x1d0 [ 25.643406] ret_from_fork_asm+0x1a/0x30 [ 25.643832] [ 25.644016] The buggy address belongs to the object at ffff888102b17100 [ 25.644016] which belongs to the cache kmalloc-128 of size 128 [ 25.644860] The buggy address is located 0 bytes inside of [ 25.644860] allocated 120-byte region [ffff888102b17100, ffff888102b17178) [ 25.645490] [ 25.645745] The buggy address belongs to the physical page: [ 25.646071] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b17 [ 25.646728] flags: 0x200000000000000(node=0|zone=2) [ 25.647763] page_type: f5(slab) [ 25.648313] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.648713] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.649487] page dumped because: kasan: bad access detected [ 25.650032] [ 25.650220] Memory state around the buggy address: [ 25.650876] ffff888102b17000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.651358] ffff888102b17080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.651631] >ffff888102b17100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.652347] ^ [ 25.652864] ffff888102b17180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.653330] ffff888102b17200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.653668] ==================================================================