Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.311877] ================================================================== [ 19.312013] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 19.312125] Write of size 128 at addr fff00000c4065200 by task kunit_try_catch/170 [ 19.312188] [ 19.312253] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 19.312627] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.312783] Hardware name: linux,dummy-virt (DT) [ 19.312834] Call trace: [ 19.313034] show_stack+0x20/0x38 (C) [ 19.313108] dump_stack_lvl+0x8c/0xd0 [ 19.313169] print_report+0x118/0x608 [ 19.313226] kasan_report+0xdc/0x128 [ 19.313275] kasan_check_range+0x100/0x1a8 [ 19.313730] __asan_memset+0x34/0x78 [ 19.313857] kmalloc_oob_in_memset+0x144/0x2d0 [ 19.313933] kunit_try_run_case+0x170/0x3f0 [ 19.314008] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.314071] kthread+0x328/0x630 [ 19.314288] ret_from_fork+0x10/0x20 [ 19.314363] [ 19.314387] Allocated by task 170: [ 19.314742] kasan_save_stack+0x3c/0x68 [ 19.314826] kasan_save_track+0x20/0x40 [ 19.314907] kasan_save_alloc_info+0x40/0x58 [ 19.314983] __kasan_kmalloc+0xd4/0xd8 [ 19.315117] __kmalloc_cache_noprof+0x15c/0x3c0 [ 19.315211] kmalloc_oob_in_memset+0xb0/0x2d0 [ 19.315289] kunit_try_run_case+0x170/0x3f0 [ 19.315591] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.315831] kthread+0x328/0x630 [ 19.315946] ret_from_fork+0x10/0x20 [ 19.316093] [ 19.316170] The buggy address belongs to the object at fff00000c4065200 [ 19.316170] which belongs to the cache kmalloc-128 of size 128 [ 19.316437] The buggy address is located 0 bytes inside of [ 19.316437] allocated 120-byte region [fff00000c4065200, fff00000c4065278) [ 19.316642] [ 19.316687] The buggy address belongs to the physical page: [ 19.316780] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065 [ 19.316863] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.316921] page_type: f5(slab) [ 19.317157] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.317258] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.317414] page dumped because: kasan: bad access detected [ 19.317476] [ 19.317554] Memory state around the buggy address: [ 19.317597] fff00000c4065100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.317649] fff00000c4065180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.317981] >fff00000c4065200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.318240] ^ [ 19.318315] fff00000c4065280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.318366] fff00000c4065300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.318495] ==================================================================
[ 11.132700] ================================================================== [ 11.133765] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.135148] Write of size 128 at addr ffff8881026a8700 by task kunit_try_catch/187 [ 11.136592] [ 11.137066] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 11.137130] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.137142] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.137164] Call Trace: [ 11.137177] <TASK> [ 11.137195] dump_stack_lvl+0x73/0xb0 [ 11.137227] print_report+0xd1/0x650 [ 11.137251] ? __virt_addr_valid+0x1db/0x2d0 [ 11.137274] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.137296] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.137318] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.137341] kasan_report+0x141/0x180 [ 11.137363] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.137390] kasan_check_range+0x10c/0x1c0 [ 11.137413] __asan_memset+0x27/0x50 [ 11.137432] kmalloc_oob_in_memset+0x15f/0x320 [ 11.137455] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.137479] ? __schedule+0x10cc/0x2b60 [ 11.137501] ? __pfx_read_tsc+0x10/0x10 [ 11.137651] ? ktime_get_ts64+0x86/0x230 [ 11.137681] kunit_try_run_case+0x1a5/0x480 [ 11.137707] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.137769] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.137792] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.137814] ? __kthread_parkme+0x82/0x180 [ 11.137835] ? preempt_count_sub+0x50/0x80 [ 11.137859] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.137883] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.137906] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.137929] kthread+0x337/0x6f0 [ 11.137949] ? trace_preempt_on+0x20/0xc0 [ 11.137974] ? __pfx_kthread+0x10/0x10 [ 11.137994] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.138015] ? calculate_sigpending+0x7b/0xa0 [ 11.138039] ? __pfx_kthread+0x10/0x10 [ 11.138060] ret_from_fork+0x116/0x1d0 [ 11.138078] ? __pfx_kthread+0x10/0x10 [ 11.138099] ret_from_fork_asm+0x1a/0x30 [ 11.138131] </TASK> [ 11.138142] [ 11.151972] Allocated by task 187: [ 11.152335] kasan_save_stack+0x45/0x70 [ 11.152822] kasan_save_track+0x18/0x40 [ 11.153082] kasan_save_alloc_info+0x3b/0x50 [ 11.153244] __kasan_kmalloc+0xb7/0xc0 [ 11.153639] __kmalloc_cache_noprof+0x189/0x420 [ 11.154078] kmalloc_oob_in_memset+0xac/0x320 [ 11.154518] kunit_try_run_case+0x1a5/0x480 [ 11.154874] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.155379] kthread+0x337/0x6f0 [ 11.155505] ret_from_fork+0x116/0x1d0 [ 11.155648] ret_from_fork_asm+0x1a/0x30 [ 11.155786] [ 11.155858] The buggy address belongs to the object at ffff8881026a8700 [ 11.155858] which belongs to the cache kmalloc-128 of size 128 [ 11.156234] The buggy address is located 0 bytes inside of [ 11.156234] allocated 120-byte region [ffff8881026a8700, ffff8881026a8778) [ 11.156594] [ 11.156700] The buggy address belongs to the physical page: [ 11.156962] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8 [ 11.157250] flags: 0x200000000000000(node=0|zone=2) [ 11.157416] page_type: f5(slab) [ 11.157699] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.158050] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.158352] page dumped because: kasan: bad access detected [ 11.158688] [ 11.158759] Memory state around the buggy address: [ 11.158991] ffff8881026a8600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.159223] ffff8881026a8680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.159532] >ffff8881026a8700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.159813] ^ [ 11.160023] ffff8881026a8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.160448] ffff8881026a8800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.160727] ==================================================================