Date
July 10, 2025, 9:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.480198] ================================================================== [ 29.480362] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 29.480413] Write of size 2 at addr fff00000c9af0077 by task kunit_try_catch/203 [ 29.480628] [ 29.480711] CPU: 0 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250710 #1 PREEMPT [ 29.480981] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.481058] Hardware name: linux,dummy-virt (DT) [ 29.481089] Call trace: [ 29.481201] show_stack+0x20/0x38 (C) [ 29.481282] dump_stack_lvl+0x8c/0xd0 [ 29.481381] print_report+0x118/0x5d0 [ 29.481424] kasan_report+0xdc/0x128 [ 29.481471] kasan_check_range+0x100/0x1a8 [ 29.481567] __asan_memset+0x34/0x78 [ 29.481699] kmalloc_oob_memset_2+0x150/0x2f8 [ 29.481897] kunit_try_run_case+0x170/0x3f0 [ 29.481944] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.481997] kthread+0x328/0x630 [ 29.482037] ret_from_fork+0x10/0x20 [ 29.482082] [ 29.482100] Allocated by task 203: [ 29.482835] kasan_save_stack+0x3c/0x68 [ 29.482908] kasan_save_track+0x20/0x40 [ 29.482978] kasan_save_alloc_info+0x40/0x58 [ 29.483015] __kasan_kmalloc+0xd4/0xd8 [ 29.483070] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.483110] kmalloc_oob_memset_2+0xb0/0x2f8 [ 29.483157] kunit_try_run_case+0x170/0x3f0 [ 29.483195] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.483240] kthread+0x328/0x630 [ 29.483271] ret_from_fork+0x10/0x20 [ 29.483305] [ 29.483324] The buggy address belongs to the object at fff00000c9af0000 [ 29.483324] which belongs to the cache kmalloc-128 of size 128 [ 29.483381] The buggy address is located 119 bytes inside of [ 29.483381] allocated 120-byte region [fff00000c9af0000, fff00000c9af0078) [ 29.483461] [ 29.483568] The buggy address belongs to the physical page: [ 29.483623] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109af0 [ 29.483711] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.483842] page_type: f5(slab) [ 29.483880] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 29.483930] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.483983] page dumped because: kasan: bad access detected [ 29.484014] [ 29.484031] Memory state around the buggy address: [ 29.484062] fff00000c9aeff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.484105] fff00000c9aeff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.484156] >fff00000c9af0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.484194] ^ [ 29.484288] fff00000c9af0080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.484337] fff00000c9af0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.484375] ==================================================================
[ 25.112556] ================================================================== [ 25.113261] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 25.113609] Write of size 2 at addr ffff888105182a77 by task kunit_try_catch/220 [ 25.114879] [ 25.115220] CPU: 1 UID: 0 PID: 220 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250710 #1 PREEMPT(voluntary) [ 25.115274] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.115287] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.115309] Call Trace: [ 25.115324] <TASK> [ 25.115342] dump_stack_lvl+0x73/0xb0 [ 25.115499] print_report+0xd1/0x610 [ 25.115528] ? __virt_addr_valid+0x1db/0x2d0 [ 25.115553] ? kmalloc_oob_memset_2+0x166/0x330 [ 25.115574] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.115600] ? kmalloc_oob_memset_2+0x166/0x330 [ 25.115622] kasan_report+0x141/0x180 [ 25.115643] ? kmalloc_oob_memset_2+0x166/0x330 [ 25.115669] kasan_check_range+0x10c/0x1c0 [ 25.115692] __asan_memset+0x27/0x50 [ 25.115727] kmalloc_oob_memset_2+0x166/0x330 [ 25.115749] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 25.115810] ? __schedule+0x10cc/0x2b60 [ 25.115836] ? __pfx_read_tsc+0x10/0x10 [ 25.115865] ? ktime_get_ts64+0x86/0x230 [ 25.115892] kunit_try_run_case+0x1a5/0x480 [ 25.115916] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.115936] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.115959] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.115982] ? __kthread_parkme+0x82/0x180 [ 25.116002] ? preempt_count_sub+0x50/0x80 [ 25.116025] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.116046] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.116071] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.116096] kthread+0x337/0x6f0 [ 25.116115] ? trace_preempt_on+0x20/0xc0 [ 25.116137] ? __pfx_kthread+0x10/0x10 [ 25.116158] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.116179] ? calculate_sigpending+0x7b/0xa0 [ 25.116202] ? __pfx_kthread+0x10/0x10 [ 25.116223] ret_from_fork+0x116/0x1d0 [ 25.116242] ? __pfx_kthread+0x10/0x10 [ 25.116262] ret_from_fork_asm+0x1a/0x30 [ 25.116293] </TASK> [ 25.116305] [ 25.130840] Allocated by task 220: [ 25.130998] kasan_save_stack+0x45/0x70 [ 25.131384] kasan_save_track+0x18/0x40 [ 25.131564] kasan_save_alloc_info+0x3b/0x50 [ 25.132036] __kasan_kmalloc+0xb7/0xc0 [ 25.132185] __kmalloc_cache_noprof+0x189/0x420 [ 25.132337] kmalloc_oob_memset_2+0xac/0x330 [ 25.132476] kunit_try_run_case+0x1a5/0x480 [ 25.132900] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.133432] kthread+0x337/0x6f0 [ 25.133807] ret_from_fork+0x116/0x1d0 [ 25.134229] ret_from_fork_asm+0x1a/0x30 [ 25.134581] [ 25.134762] The buggy address belongs to the object at ffff888105182a00 [ 25.134762] which belongs to the cache kmalloc-128 of size 128 [ 25.135553] The buggy address is located 119 bytes inside of [ 25.135553] allocated 120-byte region [ffff888105182a00, ffff888105182a78) [ 25.136143] [ 25.136216] The buggy address belongs to the physical page: [ 25.136385] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105182 [ 25.136978] flags: 0x200000000000000(node=0|zone=2) [ 25.137461] page_type: f5(slab) [ 25.137948] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.138612] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.139544] page dumped because: kasan: bad access detected [ 25.140143] [ 25.140219] Memory state around the buggy address: [ 25.140367] ffff888105182900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.140771] ffff888105182980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.141510] >ffff888105182a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.142172] ^ [ 25.142713] ffff888105182a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.143128] ffff888105182b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.143911] ==================================================================