Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.334362] ================================================================== [ 19.334543] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 19.334700] Write of size 8 at addr fff00000c6408071 by task kunit_try_catch/185 [ 19.334822] [ 19.334926] CPU: 0 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 19.335150] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.335218] Hardware name: linux,dummy-virt (DT) [ 19.335296] Call trace: [ 19.335352] show_stack+0x20/0x38 (C) [ 19.335467] dump_stack_lvl+0x8c/0xd0 [ 19.335572] print_report+0x118/0x608 [ 19.335675] kasan_report+0xdc/0x128 [ 19.335782] kasan_check_range+0x100/0x1a8 [ 19.335891] __asan_memset+0x34/0x78 [ 19.335985] kmalloc_oob_memset_8+0x150/0x2f8 [ 19.336080] kunit_try_run_case+0x170/0x3f0 [ 19.336173] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.336304] kthread+0x328/0x630 [ 19.336403] ret_from_fork+0x10/0x20 [ 19.336519] [ 19.336562] Allocated by task 185: [ 19.336628] kasan_save_stack+0x3c/0x68 [ 19.336729] kasan_save_track+0x20/0x40 [ 19.336880] kasan_save_alloc_info+0x40/0x58 [ 19.337008] __kasan_kmalloc+0xd4/0xd8 [ 19.337096] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.337202] kmalloc_oob_memset_8+0xb0/0x2f8 [ 19.337327] kunit_try_run_case+0x170/0x3f0 [ 19.337433] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.337522] kthread+0x328/0x630 [ 19.337592] ret_from_fork+0x10/0x20 [ 19.337675] [ 19.337726] The buggy address belongs to the object at fff00000c6408000 [ 19.337726] which belongs to the cache kmalloc-128 of size 128 [ 19.337879] The buggy address is located 113 bytes inside of [ 19.337879] allocated 120-byte region [fff00000c6408000, fff00000c6408078) [ 19.338024] [ 19.338068] The buggy address belongs to the physical page: [ 19.338174] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106408 [ 19.338359] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.338546] page_type: f5(slab) [ 19.338705] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.338943] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.339575] page dumped because: kasan: bad access detected [ 19.339784] [ 19.339868] Memory state around the buggy address: [ 19.340475] fff00000c6407f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.340589] fff00000c6407f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.341142] >fff00000c6408000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.341789] ^ [ 19.342375] fff00000c6408080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.342539] fff00000c6408100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.342665] ==================================================================
[ 11.567158] ================================================================== [ 11.567622] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.567972] Write of size 8 at addr ffff888102a15c71 by task kunit_try_catch/201 [ 11.568240] [ 11.568356] CPU: 0 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 11.568404] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.568416] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.568718] Call Trace: [ 11.568760] <TASK> [ 11.568781] dump_stack_lvl+0x73/0xb0 [ 11.568816] print_report+0xd1/0x650 [ 11.568840] ? __virt_addr_valid+0x1db/0x2d0 [ 11.568864] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.568885] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.568905] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.568926] kasan_report+0x141/0x180 [ 11.568958] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.568983] kasan_check_range+0x10c/0x1c0 [ 11.569005] __asan_memset+0x27/0x50 [ 11.569023] kmalloc_oob_memset_8+0x166/0x330 [ 11.569044] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.569065] ? __schedule+0x10cc/0x2b60 [ 11.569086] ? __pfx_read_tsc+0x10/0x10 [ 11.569107] ? ktime_get_ts64+0x86/0x230 [ 11.569132] kunit_try_run_case+0x1a5/0x480 [ 11.569156] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.569176] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.569197] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.569218] ? __kthread_parkme+0x82/0x180 [ 11.569239] ? preempt_count_sub+0x50/0x80 [ 11.569262] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.569284] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.569305] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.569327] kthread+0x337/0x6f0 [ 11.569345] ? trace_preempt_on+0x20/0xc0 [ 11.569369] ? __pfx_kthread+0x10/0x10 [ 11.569728] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.569754] ? calculate_sigpending+0x7b/0xa0 [ 11.569780] ? __pfx_kthread+0x10/0x10 [ 11.569801] ret_from_fork+0x116/0x1d0 [ 11.569820] ? __pfx_kthread+0x10/0x10 [ 11.569839] ret_from_fork_asm+0x1a/0x30 [ 11.569870] </TASK> [ 11.569883] [ 11.580768] Allocated by task 201: [ 11.580997] kasan_save_stack+0x45/0x70 [ 11.581283] kasan_save_track+0x18/0x40 [ 11.581424] kasan_save_alloc_info+0x3b/0x50 [ 11.581566] __kasan_kmalloc+0xb7/0xc0 [ 11.581755] __kmalloc_cache_noprof+0x189/0x420 [ 11.582129] kmalloc_oob_memset_8+0xac/0x330 [ 11.582409] kunit_try_run_case+0x1a5/0x480 [ 11.582636] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.582949] kthread+0x337/0x6f0 [ 11.583113] ret_from_fork+0x116/0x1d0 [ 11.583313] ret_from_fork_asm+0x1a/0x30 [ 11.583646] [ 11.583723] The buggy address belongs to the object at ffff888102a15c00 [ 11.583723] which belongs to the cache kmalloc-128 of size 128 [ 11.584172] The buggy address is located 113 bytes inside of [ 11.584172] allocated 120-byte region [ffff888102a15c00, ffff888102a15c78) [ 11.584758] [ 11.584826] The buggy address belongs to the physical page: [ 11.585442] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a15 [ 11.585915] flags: 0x200000000000000(node=0|zone=2) [ 11.586167] page_type: f5(slab) [ 11.586319] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.586675] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.587013] page dumped because: kasan: bad access detected [ 11.587276] [ 11.587360] Memory state around the buggy address: [ 11.587594] ffff888102a15b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.588042] ffff888102a15b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.588304] >ffff888102a15c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.588713] ^ [ 11.589158] ffff888102a15c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.589553] ffff888102a15d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.589856] ==================================================================