Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.830065] ================================================================== [ 17.830220] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330 [ 17.830274] Read of size 1 at addr fff00000c7811000 by task kunit_try_catch/140 [ 17.830322] [ 17.830561] CPU: 0 UID: 0 PID: 140 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.830650] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.830676] Hardware name: linux,dummy-virt (DT) [ 17.830704] Call trace: [ 17.830726] show_stack+0x20/0x38 (C) [ 17.830774] dump_stack_lvl+0x8c/0xd0 [ 17.830818] print_report+0x118/0x608 [ 17.830862] kasan_report+0xdc/0x128 [ 17.830905] __asan_report_load1_noabort+0x20/0x30 [ 17.830954] kmalloc_node_oob_right+0x2f4/0x330 [ 17.831005] kunit_try_run_case+0x170/0x3f0 [ 17.831050] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.831100] kthread+0x328/0x630 [ 17.831140] ret_from_fork+0x10/0x20 [ 17.831235] [ 17.831254] Allocated by task 140: [ 17.831280] kasan_save_stack+0x3c/0x68 [ 17.831318] kasan_save_track+0x20/0x40 [ 17.831354] kasan_save_alloc_info+0x40/0x58 [ 17.831643] __kasan_kmalloc+0xd4/0xd8 [ 17.831698] __kmalloc_cache_node_noprof+0x178/0x3d0 [ 17.831749] kmalloc_node_oob_right+0xbc/0x330 [ 17.831808] kunit_try_run_case+0x170/0x3f0 [ 17.831844] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.831981] kthread+0x328/0x630 [ 17.832014] ret_from_fork+0x10/0x20 [ 17.832048] [ 17.832087] The buggy address belongs to the object at fff00000c7810000 [ 17.832087] which belongs to the cache kmalloc-4k of size 4096 [ 17.832142] The buggy address is located 0 bytes to the right of [ 17.832142] allocated 4096-byte region [fff00000c7810000, fff00000c7811000) [ 17.832214] [ 17.832232] The buggy address belongs to the physical page: [ 17.832303] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107810 [ 17.832888] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.832983] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.833445] page_type: f5(slab) [ 17.833494] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 17.833620] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 17.833723] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 17.834019] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 17.834095] head: 0bfffe0000000003 ffffc1ffc31e0401 00000000ffffffff 00000000ffffffff [ 17.834222] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 17.834468] page dumped because: kasan: bad access detected [ 17.834531] [ 17.834549] Memory state around the buggy address: [ 17.834581] fff00000c7810f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.834902] fff00000c7810f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.834986] >fff00000c7811000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.835101] ^ [ 17.835279] fff00000c7811080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.835322] fff00000c7811100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.835544] ==================================================================
[ 12.804694] ================================================================== [ 12.805427] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0 [ 12.805805] Read of size 1 at addr ffff888102aad000 by task kunit_try_catch/158 [ 12.806363] [ 12.806530] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.806588] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.806603] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.806629] Call Trace: [ 12.806647] <TASK> [ 12.806671] dump_stack_lvl+0x73/0xb0 [ 12.806711] print_report+0xd1/0x650 [ 12.806738] ? __virt_addr_valid+0x1db/0x2d0 [ 12.806766] ? kmalloc_node_oob_right+0x369/0x3c0 [ 12.806807] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.806832] ? kmalloc_node_oob_right+0x369/0x3c0 [ 12.806858] kasan_report+0x141/0x180 [ 12.806883] ? kmalloc_node_oob_right+0x369/0x3c0 [ 12.806915] __asan_report_load1_noabort+0x18/0x20 [ 12.806942] kmalloc_node_oob_right+0x369/0x3c0 [ 12.806969] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 12.806998] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 12.807029] kunit_try_run_case+0x1a5/0x480 [ 12.807058] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.807082] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.807110] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.807135] ? __kthread_parkme+0x82/0x180 [ 12.807160] ? preempt_count_sub+0x50/0x80 [ 12.807188] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.807213] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.807239] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.807264] kthread+0x337/0x6f0 [ 12.807285] ? trace_preempt_on+0x20/0xc0 [ 12.807312] ? __pfx_kthread+0x10/0x10 [ 12.807334] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.807358] ? calculate_sigpending+0x7b/0xa0 [ 12.807385] ? __pfx_kthread+0x10/0x10 [ 12.807409] ret_from_fork+0x116/0x1d0 [ 12.807432] ? __pfx_kthread+0x10/0x10 [ 12.807458] ret_from_fork_asm+0x1a/0x30 [ 12.807494] </TASK> [ 12.807508] [ 12.817832] Allocated by task 158: [ 12.818171] kasan_save_stack+0x45/0x70 [ 12.818554] kasan_save_track+0x18/0x40 [ 12.818722] kasan_save_alloc_info+0x3b/0x50 [ 12.819252] __kasan_kmalloc+0xb7/0xc0 [ 12.819571] __kmalloc_cache_node_noprof+0x188/0x420 [ 12.819945] kmalloc_node_oob_right+0xab/0x3c0 [ 12.820233] kunit_try_run_case+0x1a5/0x480 [ 12.820615] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.820906] kthread+0x337/0x6f0 [ 12.821082] ret_from_fork+0x116/0x1d0 [ 12.821418] ret_from_fork_asm+0x1a/0x30 [ 12.821633] [ 12.821747] The buggy address belongs to the object at ffff888102aac000 [ 12.821747] which belongs to the cache kmalloc-4k of size 4096 [ 12.822811] The buggy address is located 0 bytes to the right of [ 12.822811] allocated 4096-byte region [ffff888102aac000, ffff888102aad000) [ 12.823560] [ 12.823855] The buggy address belongs to the physical page: [ 12.824268] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102aa8 [ 12.824950] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.825486] flags: 0x200000000000040(head|node=0|zone=2) [ 12.825872] page_type: f5(slab) [ 12.826028] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 12.826486] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 12.826871] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 12.827316] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 12.827659] head: 0200000000000003 ffffea00040aaa01 00000000ffffffff 00000000ffffffff [ 12.827997] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 12.828369] page dumped because: kasan: bad access detected [ 12.829013] [ 12.829129] Memory state around the buggy address: [ 12.829346] ffff888102aacf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.829761] ffff888102aacf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.830086] >ffff888102aad000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.830588] ^ [ 12.830751] ffff888102aad080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.831128] ffff888102aad100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.831407] ==================================================================