Date
July 14, 2025, 10:38 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 42.267203] ================================================================== [ 42.276359] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 42.283041] Write of size 16 at addr ffff0008079d3ec0 by task kunit_try_catch/250 [ 42.290506] [ 42.291990] CPU: 3 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250714 #1 PREEMPT [ 42.292045] Tainted: [B]=BAD_PAGE, [N]=TEST [ 42.292061] Hardware name: WinLink E850-96 board (DT) [ 42.292081] Call trace: [ 42.292094] show_stack+0x20/0x38 (C) [ 42.292130] dump_stack_lvl+0x8c/0xd0 [ 42.292164] print_report+0x118/0x5d0 [ 42.292193] kasan_report+0xdc/0x128 [ 42.292224] __asan_report_store16_noabort+0x20/0x30 [ 42.292259] kmalloc_oob_16+0x3a0/0x3f8 [ 42.292288] kunit_try_run_case+0x170/0x3f0 [ 42.292324] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 42.292361] kthread+0x328/0x630 [ 42.292390] ret_from_fork+0x10/0x20 [ 42.292424] [ 42.355869] Allocated by task 250: [ 42.359258] kasan_save_stack+0x3c/0x68 [ 42.363073] kasan_save_track+0x20/0x40 [ 42.366892] kasan_save_alloc_info+0x40/0x58 [ 42.371146] __kasan_kmalloc+0xd4/0xd8 [ 42.374878] __kmalloc_cache_noprof+0x16c/0x3c0 [ 42.379392] kmalloc_oob_16+0xb4/0x3f8 [ 42.383125] kunit_try_run_case+0x170/0x3f0 [ 42.387291] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 42.392760] kthread+0x328/0x630 [ 42.395972] ret_from_fork+0x10/0x20 [ 42.399530] [ 42.401008] The buggy address belongs to the object at ffff0008079d3ec0 [ 42.401008] which belongs to the cache kmalloc-16 of size 16 [ 42.413336] The buggy address is located 0 bytes inside of [ 42.413336] allocated 13-byte region [ffff0008079d3ec0, ffff0008079d3ecd) [ 42.425659] [ 42.427137] The buggy address belongs to the physical page: [ 42.432694] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8879d3 [ 42.440679] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 42.447189] page_type: f5(slab) [ 42.450325] raw: 0bfffe0000000000 ffff000800002640 dead000000000122 0000000000000000 [ 42.458043] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 42.465762] page dumped because: kasan: bad access detected [ 42.471318] [ 42.472795] Memory state around the buggy address: [ 42.477573] ffff0008079d3d80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 42.484777] ffff0008079d3e00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 42.491981] >ffff0008079d3e80: fa fb fc fc 00 05 fc fc 00 05 fc fc 00 00 fc fc [ 42.499182] ^ [ 42.504741] ffff0008079d3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.511946] ffff0008079d3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.519148] ==================================================================
[ 29.546734] ================================================================== [ 29.546807] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 29.546901] Write of size 16 at addr fff00000c64c1a80 by task kunit_try_catch/197 [ 29.546953] [ 29.546988] CPU: 0 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250714 #1 PREEMPT [ 29.547083] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.547118] Hardware name: linux,dummy-virt (DT) [ 29.547149] Call trace: [ 29.547171] show_stack+0x20/0x38 (C) [ 29.547221] dump_stack_lvl+0x8c/0xd0 [ 29.547267] print_report+0x118/0x5d0 [ 29.547309] kasan_report+0xdc/0x128 [ 29.547350] __asan_report_store16_noabort+0x20/0x30 [ 29.547435] kmalloc_oob_16+0x3a0/0x3f8 [ 29.547634] kunit_try_run_case+0x170/0x3f0 [ 29.547682] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.547730] kthread+0x328/0x630 [ 29.547772] ret_from_fork+0x10/0x20 [ 29.547818] [ 29.547835] Allocated by task 197: [ 29.547861] kasan_save_stack+0x3c/0x68 [ 29.547901] kasan_save_track+0x20/0x40 [ 29.547938] kasan_save_alloc_info+0x40/0x58 [ 29.547973] __kasan_kmalloc+0xd4/0xd8 [ 29.548009] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.548064] kmalloc_oob_16+0xb4/0x3f8 [ 29.548219] kunit_try_run_case+0x170/0x3f0 [ 29.548258] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.548297] kthread+0x328/0x630 [ 29.548328] ret_from_fork+0x10/0x20 [ 29.548364] [ 29.548382] The buggy address belongs to the object at fff00000c64c1a80 [ 29.548382] which belongs to the cache kmalloc-16 of size 16 [ 29.548437] The buggy address is located 0 bytes inside of [ 29.548437] allocated 13-byte region [fff00000c64c1a80, fff00000c64c1a8d) [ 29.548607] [ 29.548628] The buggy address belongs to the physical page: [ 29.548657] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xfff00000c64c1a40 pfn:0x1064c1 [ 29.548715] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.548764] page_type: f5(slab) [ 29.548812] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 29.548861] raw: fff00000c64c1a40 000000008080007f 00000000f5000000 0000000000000000 [ 29.548900] page dumped because: kasan: bad access detected [ 29.548929] [ 29.548947] Memory state around the buggy address: [ 29.548977] fff00000c64c1980: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 29.549019] fff00000c64c1a00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 29.549069] >fff00000c64c1a80: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 29.549105] ^ [ 29.549132] fff00000c64c1b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.549172] fff00000c64c1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.549225] ==================================================================
[ 24.233591] ================================================================== [ 24.234262] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 24.234504] Write of size 16 at addr ffff8881058420a0 by task kunit_try_catch/215 [ 24.234774] [ 24.235047] CPU: 1 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) [ 24.235142] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.235156] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.235195] Call Trace: [ 24.235208] <TASK> [ 24.235238] dump_stack_lvl+0x73/0xb0 [ 24.235275] print_report+0xd1/0x610 [ 24.235297] ? __virt_addr_valid+0x1db/0x2d0 [ 24.235335] ? kmalloc_oob_16+0x452/0x4a0 [ 24.235354] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.235379] ? kmalloc_oob_16+0x452/0x4a0 [ 24.235399] kasan_report+0x141/0x180 [ 24.235420] ? kmalloc_oob_16+0x452/0x4a0 [ 24.235444] __asan_report_store16_noabort+0x1b/0x30 [ 24.235467] kmalloc_oob_16+0x452/0x4a0 [ 24.235487] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 24.235508] ? __schedule+0x10cc/0x2b60 [ 24.235531] ? __pfx_read_tsc+0x10/0x10 [ 24.235553] ? ktime_get_ts64+0x86/0x230 [ 24.235580] kunit_try_run_case+0x1a5/0x480 [ 24.235604] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.235626] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.235650] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.235683] ? __kthread_parkme+0x82/0x180 [ 24.235704] ? preempt_count_sub+0x50/0x80 [ 24.235775] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.235797] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.235850] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.235875] kthread+0x337/0x6f0 [ 24.235895] ? trace_preempt_on+0x20/0xc0 [ 24.235919] ? __pfx_kthread+0x10/0x10 [ 24.235960] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.235981] ? calculate_sigpending+0x7b/0xa0 [ 24.236005] ? __pfx_kthread+0x10/0x10 [ 24.236026] ret_from_fork+0x116/0x1d0 [ 24.236045] ? __pfx_kthread+0x10/0x10 [ 24.236065] ret_from_fork_asm+0x1a/0x30 [ 24.236096] </TASK> [ 24.236107] [ 24.249408] Allocated by task 215: [ 24.251042] kasan_save_stack+0x45/0x70 [ 24.251777] kasan_save_track+0x18/0x40 [ 24.252523] kasan_save_alloc_info+0x3b/0x50 [ 24.253218] __kasan_kmalloc+0xb7/0xc0 [ 24.253370] __kmalloc_cache_noprof+0x189/0x420 [ 24.253525] kmalloc_oob_16+0xa8/0x4a0 [ 24.253654] kunit_try_run_case+0x1a5/0x480 [ 24.253820] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.253991] kthread+0x337/0x6f0 [ 24.254115] ret_from_fork+0x116/0x1d0 [ 24.254241] ret_from_fork_asm+0x1a/0x30 [ 24.254374] [ 24.254440] The buggy address belongs to the object at ffff8881058420a0 [ 24.254440] which belongs to the cache kmalloc-16 of size 16 [ 24.256376] The buggy address is located 0 bytes inside of [ 24.256376] allocated 13-byte region [ffff8881058420a0, ffff8881058420ad) [ 24.258589] [ 24.259558] The buggy address belongs to the physical page: [ 24.260459] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105842 [ 24.261585] flags: 0x200000000000000(node=0|zone=2) [ 24.262324] page_type: f5(slab) [ 24.262832] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 [ 24.263801] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 24.265165] page dumped because: kasan: bad access detected [ 24.265384] [ 24.265451] Memory state around the buggy address: [ 24.265607] ffff888105841f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.266683] ffff888105842000: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 24.267604] >ffff888105842080: fa fb fc fc 00 05 fc fc fa fb fc fc fa fb fc fc [ 24.268269] ^ [ 24.268431] ffff888105842100: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 24.268643] ffff888105842180: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 24.269622] ==================================================================