Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.943790] ================================================================== [ 23.943911] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 23.944041] Write of size 8 at addr fff00000c59ef271 by task kunit_try_catch/178 [ 23.944156] [ 23.944237] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 23.944551] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.944842] Hardware name: linux,dummy-virt (DT) [ 23.945146] Call trace: [ 23.945220] show_stack+0x20/0x38 (C) [ 23.945358] dump_stack_lvl+0x8c/0xd0 [ 23.945562] print_report+0x118/0x608 [ 23.945805] kasan_report+0xdc/0x128 [ 23.945943] kasan_check_range+0x100/0x1a8 [ 23.946069] __asan_memset+0x34/0x78 [ 23.947515] kmalloc_oob_memset_8+0x150/0x2f8 [ 23.947664] kunit_try_run_case+0x170/0x3f0 [ 23.947802] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.948036] kthread+0x328/0x630 [ 23.948249] ret_from_fork+0x10/0x20 [ 23.948702] [ 23.949204] Allocated by task 178: [ 23.949320] kasan_save_stack+0x3c/0x68 [ 23.949985] kasan_save_track+0x20/0x40 [ 23.950822] kasan_save_alloc_info+0x40/0x58 [ 23.950991] __kasan_kmalloc+0xd4/0xd8 [ 23.951412] __kmalloc_cache_noprof+0x16c/0x3c0 [ 23.951512] kmalloc_oob_memset_8+0xb0/0x2f8 [ 23.951606] kunit_try_run_case+0x170/0x3f0 [ 23.951699] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.953701] kthread+0x328/0x630 [ 23.953807] ret_from_fork+0x10/0x20 [ 23.954164] [ 23.954215] The buggy address belongs to the object at fff00000c59ef200 [ 23.954215] which belongs to the cache kmalloc-128 of size 128 [ 23.954693] The buggy address is located 113 bytes inside of [ 23.954693] allocated 120-byte region [fff00000c59ef200, fff00000c59ef278) [ 23.954844] [ 23.955931] The buggy address belongs to the physical page: [ 23.957120] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059ef [ 23.957279] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.957483] page_type: f5(slab) [ 23.957697] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.957919] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.958183] page dumped because: kasan: bad access detected [ 23.958322] [ 23.958365] Memory state around the buggy address: [ 23.958462] fff00000c59ef100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.958584] fff00000c59ef180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.959024] >fff00000c59ef200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.959395] ^ [ 23.959620] fff00000c59ef280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.959802] fff00000c59ef300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.959998] ==================================================================
[ 11.878048] ================================================================== [ 11.878790] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.879206] Write of size 8 at addr ffff888102d97571 by task kunit_try_catch/196 [ 11.880075] [ 11.880297] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 11.880380] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.880399] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.880435] Call Trace: [ 11.880455] <TASK> [ 11.880486] dump_stack_lvl+0x73/0xb0 [ 11.880544] print_report+0xd1/0x650 [ 11.880582] ? __virt_addr_valid+0x1db/0x2d0 [ 11.880617] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.880672] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.880713] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.880750] kasan_report+0x141/0x180 [ 11.880789] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.880839] kasan_check_range+0x10c/0x1c0 [ 11.880879] __asan_memset+0x27/0x50 [ 11.880918] kmalloc_oob_memset_8+0x166/0x330 [ 11.880996] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.881038] ? __schedule+0x10cc/0x2b60 [ 11.881090] ? __pfx_read_tsc+0x10/0x10 [ 11.881127] ? ktime_get_ts64+0x86/0x230 [ 11.881171] kunit_try_run_case+0x1a5/0x480 [ 11.881221] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.881262] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.881307] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.881351] ? __kthread_parkme+0x82/0x180 [ 11.881393] ? preempt_count_sub+0x50/0x80 [ 11.881431] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.881461] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.881484] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.881506] kthread+0x337/0x6f0 [ 11.881523] ? trace_preempt_on+0x20/0xc0 [ 11.881551] ? __pfx_kthread+0x10/0x10 [ 11.881575] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.881595] ? calculate_sigpending+0x7b/0xa0 [ 11.881616] ? __pfx_kthread+0x10/0x10 [ 11.881651] ret_from_fork+0x41/0x80 [ 11.881672] ? __pfx_kthread+0x10/0x10 [ 11.881689] ret_from_fork_asm+0x1a/0x30 [ 11.881720] </TASK> [ 11.881733] [ 11.889492] Allocated by task 196: [ 11.889737] kasan_save_stack+0x45/0x70 [ 11.889959] kasan_save_track+0x18/0x40 [ 11.890134] kasan_save_alloc_info+0x3b/0x50 [ 11.890315] __kasan_kmalloc+0xb7/0xc0 [ 11.890648] __kmalloc_cache_noprof+0x189/0x420 [ 11.891005] kmalloc_oob_memset_8+0xac/0x330 [ 11.891343] kunit_try_run_case+0x1a5/0x480 [ 11.891669] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.892036] kthread+0x337/0x6f0 [ 11.892288] ret_from_fork+0x41/0x80 [ 11.892595] ret_from_fork_asm+0x1a/0x30 [ 11.892920] [ 11.893085] The buggy address belongs to the object at ffff888102d97500 [ 11.893085] which belongs to the cache kmalloc-128 of size 128 [ 11.893702] The buggy address is located 113 bytes inside of [ 11.893702] allocated 120-byte region [ffff888102d97500, ffff888102d97578) [ 11.894073] [ 11.894188] The buggy address belongs to the physical page: [ 11.894383] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d97 [ 11.894988] flags: 0x200000000000000(node=0|zone=2) [ 11.895354] page_type: f5(slab) [ 11.895671] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.896192] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.896740] page dumped because: kasan: bad access detected [ 11.897092] [ 11.897244] Memory state around the buggy address: [ 11.897490] ffff888102d97400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.897772] ffff888102d97480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.898019] >ffff888102d97500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.898257] ^ [ 11.898760] ffff888102d97580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.899241] ffff888102d97600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.899747] ==================================================================