Date
July 2, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.831299] ================================================================== [ 30.831420] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 30.831495] Write of size 2 at addr fff00000c404fd77 by task kunit_try_catch/205 [ 30.831571] [ 30.831624] CPU: 0 UID: 0 PID: 205 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 30.831829] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.831888] Hardware name: linux,dummy-virt (DT) [ 30.832076] Call trace: [ 30.832104] show_stack+0x20/0x38 (C) [ 30.832156] dump_stack_lvl+0x8c/0xd0 [ 30.832210] print_report+0x118/0x608 [ 30.832497] kasan_report+0xdc/0x128 [ 30.832597] kasan_check_range+0x100/0x1a8 [ 30.832674] __asan_memset+0x34/0x78 [ 30.832788] kmalloc_oob_memset_2+0x150/0x2f8 [ 30.832865] kunit_try_run_case+0x170/0x3f0 [ 30.832988] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.833074] kthread+0x328/0x630 [ 30.833195] ret_from_fork+0x10/0x20 [ 30.833244] [ 30.833494] Allocated by task 205: [ 30.833631] kasan_save_stack+0x3c/0x68 [ 30.833708] kasan_save_track+0x20/0x40 [ 30.833759] kasan_save_alloc_info+0x40/0x58 [ 30.833875] __kasan_kmalloc+0xd4/0xd8 [ 30.833959] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.833999] kmalloc_oob_memset_2+0xb0/0x2f8 [ 30.834295] kunit_try_run_case+0x170/0x3f0 [ 30.834360] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.834423] kthread+0x328/0x630 [ 30.834481] ret_from_fork+0x10/0x20 [ 30.834713] [ 30.834919] The buggy address belongs to the object at fff00000c404fd00 [ 30.834919] which belongs to the cache kmalloc-128 of size 128 [ 30.835301] The buggy address is located 119 bytes inside of [ 30.835301] allocated 120-byte region [fff00000c404fd00, fff00000c404fd78) [ 30.835445] [ 30.835495] The buggy address belongs to the physical page: [ 30.835551] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10404f [ 30.835687] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.835769] page_type: f5(slab) [ 30.835868] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.835918] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.835968] page dumped because: kasan: bad access detected [ 30.836021] [ 30.836041] Memory state around the buggy address: [ 30.836071] fff00000c404fc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.836382] fff00000c404fc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.836502] >fff00000c404fd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.836595] ^ [ 30.836673] fff00000c404fd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.836774] fff00000c404fe00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.836823] ==================================================================
[ 32.601450] ================================================================== [ 32.601517] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 32.601570] Write of size 2 at addr fff00000c63fb877 by task kunit_try_catch/203 [ 32.601618] [ 32.601648] CPU: 1 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 32.602353] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.602522] Hardware name: linux,dummy-virt (DT) [ 32.602557] Call trace: [ 32.602713] show_stack+0x20/0x38 (C) [ 32.602908] dump_stack_lvl+0x8c/0xd0 [ 32.603004] print_report+0x118/0x608 [ 32.603226] kasan_report+0xdc/0x128 [ 32.603316] kasan_check_range+0x100/0x1a8 [ 32.603485] __asan_memset+0x34/0x78 [ 32.603530] kmalloc_oob_memset_2+0x150/0x2f8 [ 32.603576] kunit_try_run_case+0x170/0x3f0 [ 32.603624] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.603676] kthread+0x328/0x630 [ 32.604029] ret_from_fork+0x10/0x20 [ 32.604080] [ 32.604099] Allocated by task 203: [ 32.604253] kasan_save_stack+0x3c/0x68 [ 32.604299] kasan_save_track+0x20/0x40 [ 32.604337] kasan_save_alloc_info+0x40/0x58 [ 32.604374] __kasan_kmalloc+0xd4/0xd8 [ 32.604410] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.604449] kmalloc_oob_memset_2+0xb0/0x2f8 [ 32.604486] kunit_try_run_case+0x170/0x3f0 [ 32.604761] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.604827] kthread+0x328/0x630 [ 32.604907] ret_from_fork+0x10/0x20 [ 32.604943] [ 32.604992] The buggy address belongs to the object at fff00000c63fb800 [ 32.604992] which belongs to the cache kmalloc-128 of size 128 [ 32.605373] The buggy address is located 119 bytes inside of [ 32.605373] allocated 120-byte region [fff00000c63fb800, fff00000c63fb878) [ 32.605452] [ 32.605472] The buggy address belongs to the physical page: [ 32.605590] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063fb [ 32.605640] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.605687] page_type: f5(slab) [ 32.605725] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.605774] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.605973] page dumped because: kasan: bad access detected [ 32.606006] [ 32.606086] Memory state around the buggy address: [ 32.606123] fff00000c63fb700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.606210] fff00000c63fb780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.606266] >fff00000c63fb800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.606303] ^ [ 32.606603] fff00000c63fb880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.606690] fff00000c63fb900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.606729] ==================================================================
[ 23.127253] ================================================================== [ 23.127770] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 23.128051] Write of size 2 at addr ffff888104950377 by task kunit_try_catch/220 [ 23.128415] [ 23.128559] CPU: 1 UID: 0 PID: 220 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 23.128627] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.128640] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.128902] Call Trace: [ 23.128922] <TASK> [ 23.128940] dump_stack_lvl+0x73/0xb0 [ 23.128985] print_report+0xd1/0x650 [ 23.129007] ? __virt_addr_valid+0x1db/0x2d0 [ 23.129032] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.129052] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.129077] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.129130] kasan_report+0x141/0x180 [ 23.129151] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.129199] kasan_check_range+0x10c/0x1c0 [ 23.129222] __asan_memset+0x27/0x50 [ 23.129245] kmalloc_oob_memset_2+0x166/0x330 [ 23.129266] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 23.129288] ? __schedule+0x10cc/0x2b60 [ 23.129318] ? __pfx_read_tsc+0x10/0x10 [ 23.129339] ? ktime_get_ts64+0x86/0x230 [ 23.129364] kunit_try_run_case+0x1a5/0x480 [ 23.129390] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.129413] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.129435] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.129456] ? __kthread_parkme+0x82/0x180 [ 23.129496] ? preempt_count_sub+0x50/0x80 [ 23.129519] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.129544] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.129567] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.129591] kthread+0x337/0x6f0 [ 23.129610] ? trace_preempt_on+0x20/0xc0 [ 23.129633] ? __pfx_kthread+0x10/0x10 [ 23.129654] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.129749] ? calculate_sigpending+0x7b/0xa0 [ 23.129774] ? __pfx_kthread+0x10/0x10 [ 23.129796] ret_from_fork+0x116/0x1d0 [ 23.129814] ? __pfx_kthread+0x10/0x10 [ 23.129835] ret_from_fork_asm+0x1a/0x30 [ 23.129865] </TASK> [ 23.129877] [ 23.142472] Allocated by task 220: [ 23.142816] kasan_save_stack+0x45/0x70 [ 23.143252] kasan_save_track+0x18/0x40 [ 23.143674] kasan_save_alloc_info+0x3b/0x50 [ 23.144113] __kasan_kmalloc+0xb7/0xc0 [ 23.144593] __kmalloc_cache_noprof+0x189/0x420 [ 23.145030] kmalloc_oob_memset_2+0xac/0x330 [ 23.145389] kunit_try_run_case+0x1a5/0x480 [ 23.145913] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.146297] kthread+0x337/0x6f0 [ 23.146426] ret_from_fork+0x116/0x1d0 [ 23.146580] ret_from_fork_asm+0x1a/0x30 [ 23.147025] [ 23.147194] The buggy address belongs to the object at ffff888104950300 [ 23.147194] which belongs to the cache kmalloc-128 of size 128 [ 23.148547] The buggy address is located 119 bytes inside of [ 23.148547] allocated 120-byte region [ffff888104950300, ffff888104950378) [ 23.149429] [ 23.149603] The buggy address belongs to the physical page: [ 23.149954] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104950 [ 23.150194] flags: 0x200000000000000(node=0|zone=2) [ 23.150365] page_type: f5(slab) [ 23.150484] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.151346] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.152190] page dumped because: kasan: bad access detected [ 23.152712] [ 23.152969] Memory state around the buggy address: [ 23.153412] ffff888104950200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.154209] ffff888104950280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.154651] >ffff888104950300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.155077] ^ [ 23.155745] ffff888104950380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.156533] ffff888104950400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.157081] ==================================================================
[ 23.397578] ================================================================== [ 23.398606] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 23.398846] Write of size 2 at addr ffff8881049c5977 by task kunit_try_catch/221 [ 23.399492] [ 23.399684] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 23.399737] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.399750] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.399773] Call Trace: [ 23.399788] <TASK> [ 23.399807] dump_stack_lvl+0x73/0xb0 [ 23.399839] print_report+0xd1/0x650 [ 23.399861] ? __virt_addr_valid+0x1db/0x2d0 [ 23.399886] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.399908] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.399954] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.399975] kasan_report+0x141/0x180 [ 23.399997] ? kmalloc_oob_memset_2+0x166/0x330 [ 23.400022] kasan_check_range+0x10c/0x1c0 [ 23.400046] __asan_memset+0x27/0x50 [ 23.400078] kmalloc_oob_memset_2+0x166/0x330 [ 23.400099] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 23.400121] ? __schedule+0x10cc/0x2b60 [ 23.400143] ? __pfx_read_tsc+0x10/0x10 [ 23.400164] ? ktime_get_ts64+0x86/0x230 [ 23.400195] kunit_try_run_case+0x1a5/0x480 [ 23.400222] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.400245] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.400267] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.400288] ? __kthread_parkme+0x82/0x180 [ 23.400308] ? preempt_count_sub+0x50/0x80 [ 23.400331] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.400355] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.400379] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.400402] kthread+0x337/0x6f0 [ 23.400423] ? trace_preempt_on+0x20/0xc0 [ 23.400446] ? __pfx_kthread+0x10/0x10 [ 23.400467] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.400490] ? calculate_sigpending+0x7b/0xa0 [ 23.400601] ? __pfx_kthread+0x10/0x10 [ 23.400623] ret_from_fork+0x116/0x1d0 [ 23.400643] ? __pfx_kthread+0x10/0x10 [ 23.400663] ret_from_fork_asm+0x1a/0x30 [ 23.400695] </TASK> [ 23.400707] [ 23.411699] Allocated by task 221: [ 23.412227] kasan_save_stack+0x45/0x70 [ 23.412668] kasan_save_track+0x18/0x40 [ 23.413097] kasan_save_alloc_info+0x3b/0x50 [ 23.413653] __kasan_kmalloc+0xb7/0xc0 [ 23.414092] __kmalloc_cache_noprof+0x189/0x420 [ 23.414684] kmalloc_oob_memset_2+0xac/0x330 [ 23.415250] kunit_try_run_case+0x1a5/0x480 [ 23.415646] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.416201] kthread+0x337/0x6f0 [ 23.416633] ret_from_fork+0x116/0x1d0 [ 23.417002] ret_from_fork_asm+0x1a/0x30 [ 23.417413] [ 23.417619] The buggy address belongs to the object at ffff8881049c5900 [ 23.417619] which belongs to the cache kmalloc-128 of size 128 [ 23.418787] The buggy address is located 119 bytes inside of [ 23.418787] allocated 120-byte region [ffff8881049c5900, ffff8881049c5978) [ 23.419571] [ 23.419734] The buggy address belongs to the physical page: [ 23.420328] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1049c5 [ 23.420740] flags: 0x200000000000000(node=0|zone=2) [ 23.420906] page_type: f5(slab) [ 23.421210] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.421956] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.422761] page dumped because: kasan: bad access detected [ 23.423254] [ 23.423324] Memory state around the buggy address: [ 23.423476] ffff8881049c5800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.423686] ffff8881049c5880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.423893] >ffff8881049c5900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.424125] ^ [ 23.424608] ffff8881049c5980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.424906] ffff8881049c5a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.425231] ==================================================================