Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.238629] ================================================================== [ 19.238784] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 19.238926] Write of size 128 at addr fff00000c6399d00 by task kunit_try_catch/179 [ 19.239049] [ 19.239138] CPU: 0 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 19.239347] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.239412] Hardware name: linux,dummy-virt (DT) [ 19.239486] Call trace: [ 19.239541] show_stack+0x20/0x38 (C) [ 19.239656] dump_stack_lvl+0x8c/0xd0 [ 19.239760] print_report+0x118/0x608 [ 19.239877] kasan_report+0xdc/0x128 [ 19.239976] kasan_check_range+0x100/0x1a8 [ 19.240391] __asan_memset+0x34/0x78 [ 19.240533] kmalloc_oob_in_memset+0x144/0x2d0 [ 19.240675] kunit_try_run_case+0x170/0x3f0 [ 19.240818] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.240939] kthread+0x328/0x630 [ 19.241041] ret_from_fork+0x10/0x20 [ 19.241153] [ 19.241346] Allocated by task 179: [ 19.241485] kasan_save_stack+0x3c/0x68 [ 19.241967] kasan_save_track+0x20/0x40 [ 19.242057] kasan_save_alloc_info+0x40/0x58 [ 19.242139] __kasan_kmalloc+0xd4/0xd8 [ 19.242246] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.242334] kmalloc_oob_in_memset+0xb0/0x2d0 [ 19.242420] kunit_try_run_case+0x170/0x3f0 [ 19.242600] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.242950] kthread+0x328/0x630 [ 19.243101] ret_from_fork+0x10/0x20 [ 19.243182] [ 19.243229] The buggy address belongs to the object at fff00000c6399d00 [ 19.243229] which belongs to the cache kmalloc-128 of size 128 [ 19.243413] The buggy address is located 0 bytes inside of [ 19.243413] allocated 120-byte region [fff00000c6399d00, fff00000c6399d78) [ 19.243603] [ 19.243905] The buggy address belongs to the physical page: [ 19.243987] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106399 [ 19.244267] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.244971] page_type: f5(slab) [ 19.245088] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.245206] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.245305] page dumped because: kasan: bad access detected [ 19.245376] [ 19.245419] Memory state around the buggy address: [ 19.246637] fff00000c6399c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.246952] fff00000c6399c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.247138] >fff00000c6399d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.247229] ^ [ 19.248106] fff00000c6399d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.248446] fff00000c6399e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.248648] ==================================================================
[ 11.475310] ================================================================== [ 11.476519] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.477231] Write of size 128 at addr ffff888102a15b00 by task kunit_try_catch/195 [ 11.477948] [ 11.478127] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 11.478176] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.478188] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.478209] Call Trace: [ 11.478222] <TASK> [ 11.478240] dump_stack_lvl+0x73/0xb0 [ 11.478271] print_report+0xd1/0x650 [ 11.478292] ? __virt_addr_valid+0x1db/0x2d0 [ 11.478316] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.478336] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.478357] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.478438] kasan_report+0x141/0x180 [ 11.478463] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.478488] kasan_check_range+0x10c/0x1c0 [ 11.478510] __asan_memset+0x27/0x50 [ 11.478528] kmalloc_oob_in_memset+0x15f/0x320 [ 11.478549] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.478570] ? __schedule+0x10cc/0x2b60 [ 11.478592] ? __pfx_read_tsc+0x10/0x10 [ 11.478613] ? ktime_get_ts64+0x86/0x230 [ 11.478637] kunit_try_run_case+0x1a5/0x480 [ 11.478661] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.478682] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.478703] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.478724] ? __kthread_parkme+0x82/0x180 [ 11.478744] ? preempt_count_sub+0x50/0x80 [ 11.478767] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.478789] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.478811] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.478832] kthread+0x337/0x6f0 [ 11.478851] ? trace_preempt_on+0x20/0xc0 [ 11.478874] ? __pfx_kthread+0x10/0x10 [ 11.478894] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.478913] ? calculate_sigpending+0x7b/0xa0 [ 11.478951] ? __pfx_kthread+0x10/0x10 [ 11.478972] ret_from_fork+0x116/0x1d0 [ 11.478989] ? __pfx_kthread+0x10/0x10 [ 11.479009] ret_from_fork_asm+0x1a/0x30 [ 11.479038] </TASK> [ 11.479049] [ 11.490878] Allocated by task 195: [ 11.491026] kasan_save_stack+0x45/0x70 [ 11.491165] kasan_save_track+0x18/0x40 [ 11.491291] kasan_save_alloc_info+0x3b/0x50 [ 11.491441] __kasan_kmalloc+0xb7/0xc0 [ 11.491565] __kmalloc_cache_noprof+0x189/0x420 [ 11.491762] kmalloc_oob_in_memset+0xac/0x320 [ 11.491989] kunit_try_run_case+0x1a5/0x480 [ 11.492193] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.492491] kthread+0x337/0x6f0 [ 11.492647] ret_from_fork+0x116/0x1d0 [ 11.492774] ret_from_fork_asm+0x1a/0x30 [ 11.492905] [ 11.493009] The buggy address belongs to the object at ffff888102a15b00 [ 11.493009] which belongs to the cache kmalloc-128 of size 128 [ 11.493656] The buggy address is located 0 bytes inside of [ 11.493656] allocated 120-byte region [ffff888102a15b00, ffff888102a15b78) [ 11.494163] [ 11.494231] The buggy address belongs to the physical page: [ 11.494522] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a15 [ 11.494847] flags: 0x200000000000000(node=0|zone=2) [ 11.495068] page_type: f5(slab) [ 11.495225] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.495444] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.495681] page dumped because: kasan: bad access detected [ 11.495920] [ 11.496015] Memory state around the buggy address: [ 11.496374] ffff888102a15a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.496627] ffff888102a15a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.496831] >ffff888102a15b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.497130] ^ [ 11.497508] ffff888102a15b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.497832] ffff888102a15c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.498118] ==================================================================