Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.937155] ================================================================== [ 32.937272] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 32.937440] Write of size 2 at addr fff00000c63f7177 by task kunit_try_catch/184 [ 32.937643] [ 32.937975] CPU: 1 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 32.938228] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.938297] Hardware name: linux,dummy-virt (DT) [ 32.938372] Call trace: [ 32.938532] show_stack+0x20/0x38 (C) [ 32.938660] dump_stack_lvl+0x8c/0xd0 [ 32.938864] print_report+0x118/0x608 [ 32.938975] kasan_report+0xdc/0x128 [ 32.939100] kasan_check_range+0x100/0x1a8 [ 32.939213] __asan_memset+0x34/0x78 [ 32.939313] kmalloc_oob_memset_2+0x150/0x2f8 [ 32.939421] kunit_try_run_case+0x170/0x3f0 [ 32.939534] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.939654] kthread+0x328/0x630 [ 32.939757] ret_from_fork+0x10/0x20 [ 32.939870] [ 32.939914] Allocated by task 184: [ 32.940315] kasan_save_stack+0x3c/0x68 [ 32.940488] kasan_save_track+0x20/0x40 [ 32.940598] kasan_save_alloc_info+0x40/0x58 [ 32.940809] __kasan_kmalloc+0xd4/0xd8 [ 32.941063] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.941270] kmalloc_oob_memset_2+0xb0/0x2f8 [ 32.941607] kunit_try_run_case+0x170/0x3f0 [ 32.941920] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.942156] kthread+0x328/0x630 [ 32.942298] ret_from_fork+0x10/0x20 [ 32.942396] [ 32.942445] The buggy address belongs to the object at fff00000c63f7100 [ 32.942445] which belongs to the cache kmalloc-128 of size 128 [ 32.942690] The buggy address is located 119 bytes inside of [ 32.942690] allocated 120-byte region [fff00000c63f7100, fff00000c63f7178) [ 32.942966] [ 32.943244] The buggy address belongs to the physical page: [ 32.943327] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f7 [ 32.943466] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.943811] page_type: f5(slab) [ 32.944181] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.944304] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.944484] page dumped because: kasan: bad access detected [ 32.944562] [ 32.946611] Memory state around the buggy address: [ 32.946699] fff00000c63f7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.946815] fff00000c63f7080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.946969] >fff00000c63f7100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.947077] ^ [ 32.947460] fff00000c63f7180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.947562] fff00000c63f7200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.947648] ==================================================================
[ 21.836888] ================================================================== [ 21.838270] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 21.838993] Write of size 2 at addr ffff888102b4ec77 by task kunit_try_catch/201 [ 21.839245] [ 21.839360] CPU: 1 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 21.839463] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.839483] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.839514] Call Trace: [ 21.839536] <TASK> [ 21.839563] dump_stack_lvl+0x73/0xb0 [ 21.839612] print_report+0xd1/0x650 [ 21.839644] ? __virt_addr_valid+0x1db/0x2d0 [ 21.839682] ? kmalloc_oob_memset_2+0x166/0x330 [ 21.839714] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.839751] ? kmalloc_oob_memset_2+0x166/0x330 [ 21.839786] kasan_report+0x141/0x180 [ 21.839824] ? kmalloc_oob_memset_2+0x166/0x330 [ 21.839867] kasan_check_range+0x10c/0x1c0 [ 21.839907] __asan_memset+0x27/0x50 [ 21.839948] kmalloc_oob_memset_2+0x166/0x330 [ 21.839984] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 21.840066] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 21.840109] kunit_try_run_case+0x1a5/0x480 [ 21.840151] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.840190] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.840230] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.840269] ? __kthread_parkme+0x82/0x180 [ 21.840306] ? preempt_count_sub+0x50/0x80 [ 21.840349] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.840406] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.840448] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.840489] kthread+0x337/0x6f0 [ 21.840519] ? trace_preempt_on+0x20/0xc0 [ 21.840555] ? __pfx_kthread+0x10/0x10 [ 21.840583] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.840612] ? calculate_sigpending+0x7b/0xa0 [ 21.840649] ? __pfx_kthread+0x10/0x10 [ 21.840683] ret_from_fork+0x116/0x1d0 [ 21.840710] ? __pfx_kthread+0x10/0x10 [ 21.840738] ret_from_fork_asm+0x1a/0x30 [ 21.840787] </TASK> [ 21.840805] [ 21.853587] Allocated by task 201: [ 21.854185] kasan_save_stack+0x45/0x70 [ 21.854403] kasan_save_track+0x18/0x40 [ 21.854931] kasan_save_alloc_info+0x3b/0x50 [ 21.855106] __kasan_kmalloc+0xb7/0xc0 [ 21.855463] __kmalloc_cache_noprof+0x189/0x420 [ 21.855816] kmalloc_oob_memset_2+0xac/0x330 [ 21.856328] kunit_try_run_case+0x1a5/0x480 [ 21.856486] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.857069] kthread+0x337/0x6f0 [ 21.857338] ret_from_fork+0x116/0x1d0 [ 21.857638] ret_from_fork_asm+0x1a/0x30 [ 21.858409] [ 21.858528] The buggy address belongs to the object at ffff888102b4ec00 [ 21.858528] which belongs to the cache kmalloc-128 of size 128 [ 21.859341] The buggy address is located 119 bytes inside of [ 21.859341] allocated 120-byte region [ffff888102b4ec00, ffff888102b4ec78) [ 21.860176] [ 21.860470] The buggy address belongs to the physical page: [ 21.860972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b4e [ 21.861228] flags: 0x200000000000000(node=0|zone=2) [ 21.861621] page_type: f5(slab) [ 21.861865] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 21.862968] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.863360] page dumped because: kasan: bad access detected [ 21.863862] [ 21.863987] Memory state around the buggy address: [ 21.864151] ffff888102b4eb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.865099] ffff888102b4eb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.865438] >ffff888102b4ec00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.866107] ^ [ 21.866581] ffff888102b4ec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.866942] ffff888102b4ed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.867876] ==================================================================