Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 44.690535] ================================================================== [ 44.700132] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 44.707331] Write of size 4 at addr ffff000801889e75 by task kunit_try_catch/255 [ 44.714709] [ 44.716195] CPU: 2 UID: 0 PID: 255 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 44.716249] Tainted: [B]=BAD_PAGE, [N]=TEST [ 44.716266] Hardware name: WinLink E850-96 board (DT) [ 44.716285] Call trace: [ 44.716298] show_stack+0x20/0x38 (C) [ 44.716332] dump_stack_lvl+0x8c/0xd0 [ 44.716367] print_report+0x118/0x5d0 [ 44.716396] kasan_report+0xdc/0x128 [ 44.716423] kasan_check_range+0x100/0x1a8 [ 44.716452] __asan_memset+0x34/0x78 [ 44.716484] kmalloc_oob_memset_4+0x150/0x300 [ 44.716514] kunit_try_run_case+0x170/0x3f0 [ 44.716543] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.716577] kthread+0x328/0x630 [ 44.716606] ret_from_fork+0x10/0x20 [ 44.716638] [ 44.783286] Allocated by task 255: [ 44.786673] kasan_save_stack+0x3c/0x68 [ 44.790490] kasan_save_track+0x20/0x40 [ 44.794307] kasan_save_alloc_info+0x40/0x58 [ 44.798561] __kasan_kmalloc+0xd4/0xd8 [ 44.802293] __kmalloc_cache_noprof+0x16c/0x3c0 [ 44.806807] kmalloc_oob_memset_4+0xb0/0x300 [ 44.811062] kunit_try_run_case+0x170/0x3f0 [ 44.815227] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.820696] kthread+0x328/0x630 [ 44.823907] ret_from_fork+0x10/0x20 [ 44.827466] [ 44.828944] The buggy address belongs to the object at ffff000801889e00 [ 44.828944] which belongs to the cache kmalloc-128 of size 128 [ 44.841445] The buggy address is located 117 bytes inside of [ 44.841445] allocated 120-byte region [ffff000801889e00, ffff000801889e78) [ 44.854029] [ 44.855508] The buggy address belongs to the physical page: [ 44.861067] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881888 [ 44.869048] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 44.876686] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 44.883630] page_type: f5(slab) [ 44.886767] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 44.894486] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 44.902214] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 44.910024] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 44.917837] head: 0bfffe0000000001 fffffdffe0062201 00000000ffffffff 00000000ffffffff [ 44.925649] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 44.933454] page dumped because: kasan: bad access detected [ 44.939011] [ 44.940487] Memory state around the buggy address: [ 44.945267] ffff000801889d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.952468] ffff000801889d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.959675] >ffff000801889e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 44.966874] ^ [ 44.973996] ffff000801889e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.981201] ffff000801889f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.988404] ==================================================================
[ 30.626354] ================================================================== [ 30.626408] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 30.626476] Write of size 4 at addr fff00000c64f4975 by task kunit_try_catch/206 [ 30.626523] [ 30.626553] CPU: 0 UID: 0 PID: 206 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 30.626899] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.626961] Hardware name: linux,dummy-virt (DT) [ 30.627043] Call trace: [ 30.627087] show_stack+0x20/0x38 (C) [ 30.627143] dump_stack_lvl+0x8c/0xd0 [ 30.627190] print_report+0x118/0x5d0 [ 30.627233] kasan_report+0xdc/0x128 [ 30.627275] kasan_check_range+0x100/0x1a8 [ 30.627329] __asan_memset+0x34/0x78 [ 30.627384] kmalloc_oob_memset_4+0x150/0x300 [ 30.627431] kunit_try_run_case+0x170/0x3f0 [ 30.627489] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.627538] kthread+0x328/0x630 [ 30.627791] ret_from_fork+0x10/0x20 [ 30.627873] [ 30.627891] Allocated by task 206: [ 30.627919] kasan_save_stack+0x3c/0x68 [ 30.627960] kasan_save_track+0x20/0x40 [ 30.627999] kasan_save_alloc_info+0x40/0x58 [ 30.628232] __kasan_kmalloc+0xd4/0xd8 [ 30.628379] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.628495] kmalloc_oob_memset_4+0xb0/0x300 [ 30.628579] kunit_try_run_case+0x170/0x3f0 [ 30.628667] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.628738] kthread+0x328/0x630 [ 30.628772] ret_from_fork+0x10/0x20 [ 30.628923] [ 30.628944] The buggy address belongs to the object at fff00000c64f4900 [ 30.628944] which belongs to the cache kmalloc-128 of size 128 [ 30.629044] The buggy address is located 117 bytes inside of [ 30.629044] allocated 120-byte region [fff00000c64f4900, fff00000c64f4978) [ 30.629194] [ 30.629241] The buggy address belongs to the physical page: [ 30.629298] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064f4 [ 30.629398] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.629528] page_type: f5(slab) [ 30.629593] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.629674] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.630039] page dumped because: kasan: bad access detected [ 30.630123] [ 30.630181] Memory state around the buggy address: [ 30.630213] fff00000c64f4800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.630254] fff00000c64f4880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.630293] >fff00000c64f4900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.630478] ^ [ 30.630643] fff00000c64f4980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.630769] fff00000c64f4a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.630881] ==================================================================
[ 24.151683] ================================================================== [ 24.152238] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 24.152481] Write of size 4 at addr ffff8881041b9875 by task kunit_try_catch/222 [ 24.153510] [ 24.153847] CPU: 0 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 24.153905] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.153919] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.154041] Call Trace: [ 24.154061] <TASK> [ 24.154080] dump_stack_lvl+0x73/0xb0 [ 24.154120] print_report+0xd1/0x610 [ 24.154148] ? __virt_addr_valid+0x1db/0x2d0 [ 24.154187] ? kmalloc_oob_memset_4+0x166/0x330 [ 24.154214] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.154246] ? kmalloc_oob_memset_4+0x166/0x330 [ 24.154274] kasan_report+0x141/0x180 [ 24.154301] ? kmalloc_oob_memset_4+0x166/0x330 [ 24.154334] kasan_check_range+0x10c/0x1c0 [ 24.154363] __asan_memset+0x27/0x50 [ 24.154391] kmalloc_oob_memset_4+0x166/0x330 [ 24.154419] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 24.154447] ? __schedule+0x10cc/0x2b60 [ 24.154479] ? __pfx_read_tsc+0x10/0x10 [ 24.154505] ? ktime_get_ts64+0x86/0x230 [ 24.154549] kunit_try_run_case+0x1a5/0x480 [ 24.154578] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.154604] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.154631] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.154690] ? __kthread_parkme+0x82/0x180 [ 24.154716] ? preempt_count_sub+0x50/0x80 [ 24.154745] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.154773] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.154804] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.154836] kthread+0x337/0x6f0 [ 24.154860] ? trace_preempt_on+0x20/0xc0 [ 24.154889] ? __pfx_kthread+0x10/0x10 [ 24.154915] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.154944] ? calculate_sigpending+0x7b/0xa0 [ 24.154973] ? __pfx_kthread+0x10/0x10 [ 24.155000] ret_from_fork+0x116/0x1d0 [ 24.155025] ? __pfx_kthread+0x10/0x10 [ 24.155050] ret_from_fork_asm+0x1a/0x30 [ 24.155090] </TASK> [ 24.155103] [ 24.168977] Allocated by task 222: [ 24.169294] kasan_save_stack+0x45/0x70 [ 24.169501] kasan_save_track+0x18/0x40 [ 24.169675] kasan_save_alloc_info+0x3b/0x50 [ 24.170148] __kasan_kmalloc+0xb7/0xc0 [ 24.170516] __kmalloc_cache_noprof+0x189/0x420 [ 24.171006] kmalloc_oob_memset_4+0xac/0x330 [ 24.171312] kunit_try_run_case+0x1a5/0x480 [ 24.171461] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.171961] kthread+0x337/0x6f0 [ 24.172294] ret_from_fork+0x116/0x1d0 [ 24.172677] ret_from_fork_asm+0x1a/0x30 [ 24.173119] [ 24.173293] The buggy address belongs to the object at ffff8881041b9800 [ 24.173293] which belongs to the cache kmalloc-128 of size 128 [ 24.173982] The buggy address is located 117 bytes inside of [ 24.173982] allocated 120-byte region [ffff8881041b9800, ffff8881041b9878) [ 24.174350] [ 24.174421] The buggy address belongs to the physical page: [ 24.174623] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1041b9 [ 24.175027] flags: 0x200000000000000(node=0|zone=2) [ 24.175289] page_type: f5(slab) [ 24.175437] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.175677] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.176163] page dumped because: kasan: bad access detected [ 24.176402] [ 24.176469] Memory state around the buggy address: [ 24.176661] ffff8881041b9700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.177035] ffff8881041b9780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.177334] >ffff8881041b9800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.177631] ^ [ 24.177986] ffff8881041b9880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.178301] ffff8881041b9900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.178599] ==================================================================