Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 44.997342] ================================================================== [ 45.006897] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 45.014099] Write of size 8 at addr ffff000801889f71 by task kunit_try_catch/257 [ 45.021474] [ 45.022961] CPU: 2 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 45.023016] Tainted: [B]=BAD_PAGE, [N]=TEST [ 45.023032] Hardware name: WinLink E850-96 board (DT) [ 45.023054] Call trace: [ 45.023068] show_stack+0x20/0x38 (C) [ 45.023101] dump_stack_lvl+0x8c/0xd0 [ 45.023135] print_report+0x118/0x5d0 [ 45.023164] kasan_report+0xdc/0x128 [ 45.023189] kasan_check_range+0x100/0x1a8 [ 45.023222] __asan_memset+0x34/0x78 [ 45.023250] kmalloc_oob_memset_8+0x150/0x2f8 [ 45.023280] kunit_try_run_case+0x170/0x3f0 [ 45.023311] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.023343] kthread+0x328/0x630 [ 45.023371] ret_from_fork+0x10/0x20 [ 45.023405] [ 45.090052] Allocated by task 257: [ 45.093438] kasan_save_stack+0x3c/0x68 [ 45.097254] kasan_save_track+0x20/0x40 [ 45.101075] kasan_save_alloc_info+0x40/0x58 [ 45.105327] __kasan_kmalloc+0xd4/0xd8 [ 45.109059] __kmalloc_cache_noprof+0x16c/0x3c0 [ 45.113573] kmalloc_oob_memset_8+0xb0/0x2f8 [ 45.117827] kunit_try_run_case+0x170/0x3f0 [ 45.121993] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.127462] kthread+0x328/0x630 [ 45.130674] ret_from_fork+0x10/0x20 [ 45.134233] [ 45.135710] The buggy address belongs to the object at ffff000801889f00 [ 45.135710] which belongs to the cache kmalloc-128 of size 128 [ 45.148211] The buggy address is located 113 bytes inside of [ 45.148211] allocated 120-byte region [ffff000801889f00, ffff000801889f78) [ 45.160795] [ 45.162273] The buggy address belongs to the physical page: [ 45.167832] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881888 [ 45.175814] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 45.183454] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 45.190397] page_type: f5(slab) [ 45.193534] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 45.201252] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 45.208980] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 45.216790] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 45.224603] head: 0bfffe0000000001 fffffdffe0062201 00000000ffffffff 00000000ffffffff [ 45.232415] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 45.240222] page dumped because: kasan: bad access detected [ 45.245776] [ 45.247252] Memory state around the buggy address: [ 45.252035] ffff000801889e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.259235] ffff000801889e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 45.266439] >ffff000801889f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 45.273640] ^ [ 45.280762] ffff000801889f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 45.287968] ffff00080188a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.295168] ==================================================================
[ 30.635559] ================================================================== [ 30.635613] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 30.635663] Write of size 8 at addr fff00000c64f4a71 by task kunit_try_catch/208 [ 30.635710] [ 30.635741] CPU: 0 UID: 0 PID: 208 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 30.635822] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.635847] Hardware name: linux,dummy-virt (DT) [ 30.635876] Call trace: [ 30.635897] show_stack+0x20/0x38 (C) [ 30.635943] dump_stack_lvl+0x8c/0xd0 [ 30.635989] print_report+0x118/0x5d0 [ 30.636032] kasan_report+0xdc/0x128 [ 30.636073] kasan_check_range+0x100/0x1a8 [ 30.636117] __asan_memset+0x34/0x78 [ 30.636160] kmalloc_oob_memset_8+0x150/0x2f8 [ 30.636207] kunit_try_run_case+0x170/0x3f0 [ 30.636252] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.636301] kthread+0x328/0x630 [ 30.636342] ret_from_fork+0x10/0x20 [ 30.636389] [ 30.636406] Allocated by task 208: [ 30.636432] kasan_save_stack+0x3c/0x68 [ 30.636523] kasan_save_track+0x20/0x40 [ 30.636561] kasan_save_alloc_info+0x40/0x58 [ 30.636742] __kasan_kmalloc+0xd4/0xd8 [ 30.636893] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.637032] kmalloc_oob_memset_8+0xb0/0x2f8 [ 30.637161] kunit_try_run_case+0x170/0x3f0 [ 30.637261] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.637332] kthread+0x328/0x630 [ 30.637487] ret_from_fork+0x10/0x20 [ 30.637560] [ 30.637580] The buggy address belongs to the object at fff00000c64f4a00 [ 30.637580] which belongs to the cache kmalloc-128 of size 128 [ 30.637658] The buggy address is located 113 bytes inside of [ 30.637658] allocated 120-byte region [fff00000c64f4a00, fff00000c64f4a78) [ 30.637718] [ 30.637903] The buggy address belongs to the physical page: [ 30.637935] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064f4 [ 30.637986] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.638033] page_type: f5(slab) [ 30.638140] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.638243] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.638318] page dumped because: kasan: bad access detected [ 30.638396] [ 30.638520] Memory state around the buggy address: [ 30.638608] fff00000c64f4900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.638740] fff00000c64f4980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.638787] >fff00000c64f4a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.638907] ^ [ 30.639016] fff00000c64f4a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.639097] fff00000c64f4b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.639138] ==================================================================
[ 24.182222] ================================================================== [ 24.182792] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 24.183347] Write of size 8 at addr ffff888105654c71 by task kunit_try_catch/224 [ 24.183741] [ 24.183899] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 24.183996] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.184043] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.184062] Call Trace: [ 24.184074] <TASK> [ 24.184089] dump_stack_lvl+0x73/0xb0 [ 24.184131] print_report+0xd1/0x610 [ 24.184154] ? __virt_addr_valid+0x1db/0x2d0 [ 24.184176] ? kmalloc_oob_memset_8+0x166/0x330 [ 24.184197] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.184223] ? kmalloc_oob_memset_8+0x166/0x330 [ 24.184244] kasan_report+0x141/0x180 [ 24.184266] ? kmalloc_oob_memset_8+0x166/0x330 [ 24.184292] kasan_check_range+0x10c/0x1c0 [ 24.184315] __asan_memset+0x27/0x50 [ 24.184338] kmalloc_oob_memset_8+0x166/0x330 [ 24.184360] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 24.184384] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 24.184410] kunit_try_run_case+0x1a5/0x480 [ 24.184432] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.184453] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.184475] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.184497] ? __kthread_parkme+0x82/0x180 [ 24.184516] ? preempt_count_sub+0x50/0x80 [ 24.184551] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.184655] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.184684] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.184712] kthread+0x337/0x6f0 [ 24.184732] ? trace_preempt_on+0x20/0xc0 [ 24.184755] ? __pfx_kthread+0x10/0x10 [ 24.184775] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.184800] ? calculate_sigpending+0x7b/0xa0 [ 24.184823] ? __pfx_kthread+0x10/0x10 [ 24.184845] ret_from_fork+0x116/0x1d0 [ 24.184863] ? __pfx_kthread+0x10/0x10 [ 24.184884] ret_from_fork_asm+0x1a/0x30 [ 24.184915] </TASK> [ 24.184926] [ 24.192389] Allocated by task 224: [ 24.192513] kasan_save_stack+0x45/0x70 [ 24.192863] kasan_save_track+0x18/0x40 [ 24.193059] kasan_save_alloc_info+0x3b/0x50 [ 24.193264] __kasan_kmalloc+0xb7/0xc0 [ 24.193433] __kmalloc_cache_noprof+0x189/0x420 [ 24.193668] kmalloc_oob_memset_8+0xac/0x330 [ 24.193929] kunit_try_run_case+0x1a5/0x480 [ 24.194101] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.194274] kthread+0x337/0x6f0 [ 24.194430] ret_from_fork+0x116/0x1d0 [ 24.194684] ret_from_fork_asm+0x1a/0x30 [ 24.195037] [ 24.195158] The buggy address belongs to the object at ffff888105654c00 [ 24.195158] which belongs to the cache kmalloc-128 of size 128 [ 24.195573] The buggy address is located 113 bytes inside of [ 24.195573] allocated 120-byte region [ffff888105654c00, ffff888105654c78) [ 24.196196] [ 24.196287] The buggy address belongs to the physical page: [ 24.196505] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105654 [ 24.196982] flags: 0x200000000000000(node=0|zone=2) [ 24.197220] page_type: f5(slab) [ 24.197376] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.197798] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.198023] page dumped because: kasan: bad access detected [ 24.198251] [ 24.198349] Memory state around the buggy address: [ 24.198578] ffff888105654b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.198851] ffff888105654b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.199077] >ffff888105654c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.199387] ^ [ 24.199989] ffff888105654c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.200284] ffff888105654d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.200634] ==================================================================