Date
July 4, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.581505] ================================================================== [ 29.581644] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 29.581732] Write of size 128 at addr fff00000c5a97a00 by task kunit_try_catch/203 [ 29.581955] [ 29.582090] CPU: 0 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT [ 29.582436] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.582545] Hardware name: linux,dummy-virt (DT) [ 29.582620] Call trace: [ 29.582645] show_stack+0x20/0x38 (C) [ 29.582742] dump_stack_lvl+0x8c/0xd0 [ 29.582788] print_report+0x118/0x608 [ 29.582835] kasan_report+0xdc/0x128 [ 29.582887] kasan_check_range+0x100/0x1a8 [ 29.582941] __asan_memset+0x34/0x78 [ 29.585721] kmalloc_oob_in_memset+0x144/0x2d0 [ 29.585824] kunit_try_run_case+0x170/0x3f0 [ 29.586159] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.586283] kthread+0x328/0x630 [ 29.588172] ret_from_fork+0x10/0x20 [ 29.588918] [ 29.588947] Allocated by task 203: [ 29.588977] kasan_save_stack+0x3c/0x68 [ 29.589021] kasan_save_track+0x20/0x40 [ 29.589059] kasan_save_alloc_info+0x40/0x58 [ 29.589098] __kasan_kmalloc+0xd4/0xd8 [ 29.589136] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.589177] kmalloc_oob_in_memset+0xb0/0x2d0 [ 29.589215] kunit_try_run_case+0x170/0x3f0 [ 29.590681] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.592342] kthread+0x328/0x630 [ 29.592440] ret_from_fork+0x10/0x20 [ 29.592655] [ 29.592728] The buggy address belongs to the object at fff00000c5a97a00 [ 29.592728] which belongs to the cache kmalloc-128 of size 128 [ 29.592882] The buggy address is located 0 bytes inside of [ 29.592882] allocated 120-byte region [fff00000c5a97a00, fff00000c5a97a78) [ 29.593032] [ 29.593135] The buggy address belongs to the physical page: [ 29.593166] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a97 [ 29.593241] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.593498] page_type: f5(slab) [ 29.594088] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 29.594195] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.594316] page dumped because: kasan: bad access detected [ 29.594603] [ 29.594623] Memory state around the buggy address: [ 29.594654] fff00000c5a97900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.594708] fff00000c5a97980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.594749] >fff00000c5a97a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.594925] ^ [ 29.594966] fff00000c5a97a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.595007] fff00000c5a97b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.595165] ==================================================================
[ 24.942840] ================================================================== [ 24.943734] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 24.944781] Write of size 128 at addr ffff888103d62d00 by task kunit_try_catch/219 [ 24.945498] [ 24.945607] CPU: 1 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) [ 24.945664] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.945679] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.945704] Call Trace: [ 24.945720] <TASK> [ 24.945740] dump_stack_lvl+0x73/0xb0 [ 24.945771] print_report+0xd1/0x650 [ 24.945796] ? __virt_addr_valid+0x1db/0x2d0 [ 24.945823] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.945846] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.945874] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.945897] kasan_report+0x141/0x180 [ 24.945920] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.945949] kasan_check_range+0x10c/0x1c0 [ 24.945973] __asan_memset+0x27/0x50 [ 24.946028] kmalloc_oob_in_memset+0x15f/0x320 [ 24.946081] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 24.946110] ? __schedule+0x10cc/0x2b60 [ 24.946149] ? __pfx_read_tsc+0x10/0x10 [ 24.946173] ? ktime_get_ts64+0x86/0x230 [ 24.946199] kunit_try_run_case+0x1a5/0x480 [ 24.946227] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.946252] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.946277] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.946303] ? __kthread_parkme+0x82/0x180 [ 24.946338] ? preempt_count_sub+0x50/0x80 [ 24.946363] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.946400] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.946426] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.946452] kthread+0x337/0x6f0 [ 24.946472] ? trace_preempt_on+0x20/0xc0 [ 24.946498] ? __pfx_kthread+0x10/0x10 [ 24.946520] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.946544] ? calculate_sigpending+0x7b/0xa0 [ 24.946569] ? __pfx_kthread+0x10/0x10 [ 24.946592] ret_from_fork+0x116/0x1d0 [ 24.946613] ? __pfx_kthread+0x10/0x10 [ 24.946634] ret_from_fork_asm+0x1a/0x30 [ 24.946668] </TASK> [ 24.946682] [ 24.959824] Allocated by task 219: [ 24.960106] kasan_save_stack+0x45/0x70 [ 24.960295] kasan_save_track+0x18/0x40 [ 24.960446] kasan_save_alloc_info+0x3b/0x50 [ 24.960672] __kasan_kmalloc+0xb7/0xc0 [ 24.961094] __kmalloc_cache_noprof+0x189/0x420 [ 24.961485] kmalloc_oob_in_memset+0xac/0x320 [ 24.962112] kunit_try_run_case+0x1a5/0x480 [ 24.962457] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.962646] kthread+0x337/0x6f0 [ 24.962782] ret_from_fork+0x116/0x1d0 [ 24.963051] ret_from_fork_asm+0x1a/0x30 [ 24.963258] [ 24.963471] The buggy address belongs to the object at ffff888103d62d00 [ 24.963471] which belongs to the cache kmalloc-128 of size 128 [ 24.964187] The buggy address is located 0 bytes inside of [ 24.964187] allocated 120-byte region [ffff888103d62d00, ffff888103d62d78) [ 24.965298] [ 24.965421] The buggy address belongs to the physical page: [ 24.965678] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103d62 [ 24.966487] flags: 0x200000000000000(node=0|zone=2) [ 24.966781] page_type: f5(slab) [ 24.967263] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.967755] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.968657] page dumped because: kasan: bad access detected [ 24.969096] [ 24.969226] Memory state around the buggy address: [ 24.969697] ffff888103d62c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.970348] ffff888103d62c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.970682] >ffff888103d62d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.971349] ^ [ 24.971837] ffff888103d62d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.972507] ffff888103d62e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.973010] ==================================================================