Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.885950] ================================================================== [ 18.887141] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 18.887846] Write of size 16 at addr fff00000c65b6069 by task kunit_try_catch/168 [ 18.889017] [ 18.889431] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 18.889622] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.889699] Hardware name: linux,dummy-virt (DT) [ 18.889744] Call trace: [ 18.889790] show_stack+0x20/0x38 (C) [ 18.889857] dump_stack_lvl+0x8c/0xd0 [ 18.889911] print_report+0x118/0x608 [ 18.889963] kasan_report+0xdc/0x128 [ 18.890012] kasan_check_range+0x100/0x1a8 [ 18.890068] __asan_memset+0x34/0x78 [ 18.890163] kmalloc_oob_memset_16+0x150/0x2f8 [ 18.890258] kunit_try_run_case+0x170/0x3f0 [ 18.890357] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.890603] kthread+0x318/0x620 [ 18.890664] ret_from_fork+0x10/0x20 [ 18.890723] [ 18.895841] Allocated by task 168: [ 18.896067] kasan_save_stack+0x3c/0x68 [ 18.896336] kasan_save_track+0x20/0x40 [ 18.896671] kasan_save_alloc_info+0x40/0x58 [ 18.897997] __kasan_kmalloc+0xd4/0xd8 [ 18.898542] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.899252] kmalloc_oob_memset_16+0xb0/0x2f8 [ 18.899908] kunit_try_run_case+0x170/0x3f0 [ 18.900212] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.900913] kthread+0x318/0x620 [ 18.901460] ret_from_fork+0x10/0x20 [ 18.901771] [ 18.901991] The buggy address belongs to the object at fff00000c65b6000 [ 18.901991] which belongs to the cache kmalloc-128 of size 128 [ 18.902769] The buggy address is located 105 bytes inside of [ 18.902769] allocated 120-byte region [fff00000c65b6000, fff00000c65b6078) [ 18.903388] [ 18.903583] The buggy address belongs to the physical page: [ 18.903887] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b6 [ 18.905849] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.906939] page_type: f5(slab) [ 18.907248] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.907610] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.907951] page dumped because: kasan: bad access detected [ 18.911315] [ 18.911950] Memory state around the buggy address: [ 18.913291] fff00000c65b5f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.915009] fff00000c65b5f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.915539] >fff00000c65b6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.916020] ^ [ 18.917135] fff00000c65b6080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.917813] fff00000c65b6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.918531] ==================================================================
[ 12.862263] ================================================================== [ 12.862790] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x167/0x330 [ 12.863302] Write of size 16 at addr ffff888101bd1b69 by task kunit_try_catch/186 [ 12.863788] [ 12.863990] CPU: 1 UID: 0 PID: 186 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 12.864045] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.864057] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.864076] Call Trace: [ 12.864088] <TASK> [ 12.864103] dump_stack_lvl+0x73/0xb0 [ 12.864128] print_report+0xd1/0x650 [ 12.864149] ? __virt_addr_valid+0x1db/0x2d0 [ 12.864254] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.864334] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.864360] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.864381] kasan_report+0x140/0x180 [ 12.864402] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.864427] kasan_check_range+0x10c/0x1c0 [ 12.864449] __asan_memset+0x27/0x50 [ 12.864471] kmalloc_oob_memset_16+0x167/0x330 [ 12.864492] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.864513] ? __schedule+0xce8/0x2840 [ 12.864535] ? __pfx_read_tsc+0x10/0x10 [ 12.864557] ? ktime_get_ts64+0x86/0x230 [ 12.864581] kunit_try_run_case+0x1a6/0x480 [ 12.864603] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.864624] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.864646] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.864669] ? __kthread_parkme+0x82/0x160 [ 12.864690] ? preempt_count_sub+0x50/0x80 [ 12.864714] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.864736] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.864761] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.864786] kthread+0x324/0x6e0 [ 12.864807] ? trace_preempt_on+0x20/0xc0 [ 12.864829] ? __pfx_kthread+0x10/0x10 [ 12.864850] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.864872] ? calculate_sigpending+0x7b/0xa0 [ 12.864893] ? __pfx_kthread+0x10/0x10 [ 12.864915] ret_from_fork+0x41/0x80 [ 12.864933] ? __pfx_kthread+0x10/0x10 [ 12.864954] ret_from_fork_asm+0x1a/0x30 [ 12.864985] </TASK> [ 12.864995] [ 12.871737] Allocated by task 186: [ 12.871864] kasan_save_stack+0x45/0x70 [ 12.872003] kasan_save_track+0x18/0x40 [ 12.872144] kasan_save_alloc_info+0x3b/0x50 [ 12.872283] __kasan_kmalloc+0xb7/0xc0 [ 12.872458] __kmalloc_cache_noprof+0x18a/0x420 [ 12.872883] kmalloc_oob_memset_16+0xad/0x330 [ 12.873113] kunit_try_run_case+0x1a6/0x480 [ 12.873324] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.873600] kthread+0x324/0x6e0 [ 12.874000] ret_from_fork+0x41/0x80 [ 12.874205] ret_from_fork_asm+0x1a/0x30 [ 12.874425] [ 12.874522] The buggy address belongs to the object at ffff888101bd1b00 [ 12.874522] which belongs to the cache kmalloc-128 of size 128 [ 12.875110] The buggy address is located 105 bytes inside of [ 12.875110] allocated 120-byte region [ffff888101bd1b00, ffff888101bd1b78) [ 12.875652] [ 12.875750] The buggy address belongs to the physical page: [ 12.875995] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bd1 [ 12.876331] flags: 0x200000000000000(node=0|zone=2) [ 12.876513] page_type: f5(slab) [ 12.876669] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.877055] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.877270] page dumped because: kasan: bad access detected [ 12.877664] [ 12.877776] Memory state around the buggy address: [ 12.877992] ffff888101bd1a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.878315] ffff888101bd1a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.878706] >ffff888101bd1b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.879278] ^ [ 12.879551] ffff888101bd1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.879781] ffff888101bd1c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.881636] ==================================================================