Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.448857] ================================================================== [ 15.448986] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 15.449300] Write of size 16 at addr fff00000c3f56069 by task kunit_try_catch/178 [ 15.449398] [ 15.449595] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.449695] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.449850] Hardware name: linux,dummy-virt (DT) [ 15.449884] Call trace: [ 15.449907] show_stack+0x20/0x38 (C) [ 15.449966] dump_stack_lvl+0x8c/0xd0 [ 15.450305] print_report+0x118/0x5d0 [ 15.450653] kasan_report+0xdc/0x128 [ 15.450765] kasan_check_range+0x100/0x1a8 [ 15.450817] __asan_memset+0x34/0x78 [ 15.450880] kmalloc_oob_memset_16+0x150/0x2f8 [ 15.450927] kunit_try_run_case+0x170/0x3f0 [ 15.450987] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.451051] kthread+0x328/0x630 [ 15.451094] ret_from_fork+0x10/0x20 [ 15.451141] [ 15.451168] Allocated by task 178: [ 15.451196] kasan_save_stack+0x3c/0x68 [ 15.451238] kasan_save_track+0x20/0x40 [ 15.451281] kasan_save_alloc_info+0x40/0x58 [ 15.451336] __kasan_kmalloc+0xd4/0xd8 [ 15.451374] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.451412] kmalloc_oob_memset_16+0xb0/0x2f8 [ 15.451450] kunit_try_run_case+0x170/0x3f0 [ 15.451495] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.451536] kthread+0x328/0x630 [ 15.451568] ret_from_fork+0x10/0x20 [ 15.451610] [ 15.451630] The buggy address belongs to the object at fff00000c3f56000 [ 15.451630] which belongs to the cache kmalloc-128 of size 128 [ 15.451700] The buggy address is located 105 bytes inside of [ 15.451700] allocated 120-byte region [fff00000c3f56000, fff00000c3f56078) [ 15.451760] [ 15.451788] The buggy address belongs to the physical page: [ 15.451832] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f56 [ 15.451883] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.451929] page_type: f5(slab) [ 15.451967] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.452015] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.452054] page dumped because: kasan: bad access detected [ 15.452083] [ 15.452110] Memory state around the buggy address: [ 15.452150] fff00000c3f55f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.452192] fff00000c3f55f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.452242] >fff00000c3f56000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.452279] ^ [ 15.452317] fff00000c3f56080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.452733] fff00000c3f56100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.453183] ==================================================================
[ 12.329349] ================================================================== [ 12.330931] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.332311] Write of size 16 at addr ffff8881030d9a69 by task kunit_try_catch/197 [ 12.332826] [ 12.332930] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.332978] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.332990] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.333010] Call Trace: [ 12.333022] <TASK> [ 12.333037] dump_stack_lvl+0x73/0xb0 [ 12.333067] print_report+0xd1/0x610 [ 12.333088] ? __virt_addr_valid+0x1db/0x2d0 [ 12.333109] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.333131] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.333153] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.333175] kasan_report+0x141/0x180 [ 12.333196] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.333222] kasan_check_range+0x10c/0x1c0 [ 12.333244] __asan_memset+0x27/0x50 [ 12.333262] kmalloc_oob_memset_16+0x166/0x330 [ 12.333296] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.333318] ? __schedule+0x10cc/0x2b60 [ 12.333339] ? __pfx_read_tsc+0x10/0x10 [ 12.333359] ? ktime_get_ts64+0x86/0x230 [ 12.333383] kunit_try_run_case+0x1a5/0x480 [ 12.333406] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.333428] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.333457] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.333480] ? __kthread_parkme+0x82/0x180 [ 12.333591] ? preempt_count_sub+0x50/0x80 [ 12.333618] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.333641] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.333665] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.333688] kthread+0x337/0x6f0 [ 12.333706] ? trace_preempt_on+0x20/0xc0 [ 12.333729] ? __pfx_kthread+0x10/0x10 [ 12.333749] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.333769] ? calculate_sigpending+0x7b/0xa0 [ 12.333792] ? __pfx_kthread+0x10/0x10 [ 12.333812] ret_from_fork+0x116/0x1d0 [ 12.333830] ? __pfx_kthread+0x10/0x10 [ 12.333849] ret_from_fork_asm+0x1a/0x30 [ 12.333878] </TASK> [ 12.333888] [ 12.345830] Allocated by task 197: [ 12.346263] kasan_save_stack+0x45/0x70 [ 12.346533] kasan_save_track+0x18/0x40 [ 12.347059] kasan_save_alloc_info+0x3b/0x50 [ 12.347302] __kasan_kmalloc+0xb7/0xc0 [ 12.347439] __kmalloc_cache_noprof+0x189/0x420 [ 12.347597] kmalloc_oob_memset_16+0xac/0x330 [ 12.347744] kunit_try_run_case+0x1a5/0x480 [ 12.347889] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.348064] kthread+0x337/0x6f0 [ 12.348183] ret_from_fork+0x116/0x1d0 [ 12.348633] ret_from_fork_asm+0x1a/0x30 [ 12.349486] [ 12.349855] The buggy address belongs to the object at ffff8881030d9a00 [ 12.349855] which belongs to the cache kmalloc-128 of size 128 [ 12.351464] The buggy address is located 105 bytes inside of [ 12.351464] allocated 120-byte region [ffff8881030d9a00, ffff8881030d9a78) [ 12.352819] [ 12.352997] The buggy address belongs to the physical page: [ 12.353794] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1030d9 [ 12.354567] flags: 0x200000000000000(node=0|zone=2) [ 12.355186] page_type: f5(slab) [ 12.355331] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.355923] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.356846] page dumped because: kasan: bad access detected [ 12.357376] [ 12.357455] Memory state around the buggy address: [ 12.357611] ffff8881030d9900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.357826] ffff8881030d9980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.358097] >ffff8881030d9a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.359132] ^ [ 12.359912] ffff8881030d9a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.360746] ffff8881030d9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.361624] ==================================================================