Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.283460] ================================================================== [ 20.283621] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 20.283752] Write of size 16 at addr fff00000c60580e0 by task kunit_try_catch/176 [ 20.283869] [ 20.283948] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 20.284162] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.284227] Hardware name: linux,dummy-virt (DT) [ 20.284299] Call trace: [ 20.284352] show_stack+0x20/0x38 (C) [ 20.284473] dump_stack_lvl+0x8c/0xd0 [ 20.284605] print_report+0x118/0x608 [ 20.284721] kasan_report+0xdc/0x128 [ 20.284830] __asan_report_store16_noabort+0x20/0x30 [ 20.284944] kmalloc_oob_16+0x3a0/0x3f8 [ 20.285091] kunit_try_run_case+0x170/0x3f0 [ 20.285201] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.285347] kthread+0x328/0x630 [ 20.285446] ret_from_fork+0x10/0x20 [ 20.285609] [ 20.285668] Allocated by task 176: [ 20.285754] kasan_save_stack+0x3c/0x68 [ 20.285877] kasan_save_track+0x20/0x40 [ 20.285986] kasan_save_alloc_info+0x40/0x58 [ 20.286128] __kasan_kmalloc+0xd4/0xd8 [ 20.286203] __kmalloc_cache_noprof+0x16c/0x3c0 [ 20.286292] kmalloc_oob_16+0xb4/0x3f8 [ 20.286369] kunit_try_run_case+0x170/0x3f0 [ 20.286450] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.287127] kthread+0x328/0x630 [ 20.287242] ret_from_fork+0x10/0x20 [ 20.287316] [ 20.287365] The buggy address belongs to the object at fff00000c60580e0 [ 20.287365] which belongs to the cache kmalloc-16 of size 16 [ 20.287487] The buggy address is located 0 bytes inside of [ 20.287487] allocated 13-byte region [fff00000c60580e0, fff00000c60580ed) [ 20.287665] [ 20.287706] The buggy address belongs to the physical page: [ 20.288089] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106058 [ 20.288221] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.288626] page_type: f5(slab) [ 20.288782] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 20.288896] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 20.288982] page dumped because: kasan: bad access detected [ 20.289051] [ 20.289086] Memory state around the buggy address: [ 20.289152] fff00000c6057f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.289252] fff00000c6058000: 00 00 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 20.289348] >fff00000c6058080: fa fb fc fc 00 04 fc fc fa fb fc fc 00 05 fc fc [ 20.289434] ^ [ 20.289518] fff00000c6058100: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.290171] fff00000c6058180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.290337] ==================================================================
[ 11.128015] ================================================================== [ 11.129415] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 11.130116] Write of size 16 at addr ffff888102859640 by task kunit_try_catch/192 [ 11.130853] [ 11.131041] CPU: 1 UID: 0 PID: 192 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 11.131089] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.131102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.131123] Call Trace: [ 11.131135] <TASK> [ 11.131151] dump_stack_lvl+0x73/0xb0 [ 11.131179] print_report+0xd1/0x650 [ 11.131200] ? __virt_addr_valid+0x1db/0x2d0 [ 11.131235] ? kmalloc_oob_16+0x452/0x4a0 [ 11.131254] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.131278] ? kmalloc_oob_16+0x452/0x4a0 [ 11.131297] kasan_report+0x141/0x180 [ 11.131317] ? kmalloc_oob_16+0x452/0x4a0 [ 11.131341] __asan_report_store16_noabort+0x1b/0x30 [ 11.131364] kmalloc_oob_16+0x452/0x4a0 [ 11.131383] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 11.131403] ? __schedule+0x10cc/0x2b60 [ 11.131424] ? __pfx_read_tsc+0x10/0x10 [ 11.131444] ? ktime_get_ts64+0x86/0x230 [ 11.131468] kunit_try_run_case+0x1a5/0x480 [ 11.131490] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.131511] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.131533] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.131554] ? __kthread_parkme+0x82/0x180 [ 11.131573] ? preempt_count_sub+0x50/0x80 [ 11.131595] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.131617] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.131638] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.131660] kthread+0x337/0x6f0 [ 11.131678] ? trace_preempt_on+0x20/0xc0 [ 11.131700] ? __pfx_kthread+0x10/0x10 [ 11.131720] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.131739] ? calculate_sigpending+0x7b/0xa0 [ 11.131761] ? __pfx_kthread+0x10/0x10 [ 11.131781] ret_from_fork+0x116/0x1d0 [ 11.131799] ? __pfx_kthread+0x10/0x10 [ 11.131818] ret_from_fork_asm+0x1a/0x30 [ 11.131847] </TASK> [ 11.131857] [ 11.144002] Allocated by task 192: [ 11.144326] kasan_save_stack+0x45/0x70 [ 11.144610] kasan_save_track+0x18/0x40 [ 11.144751] kasan_save_alloc_info+0x3b/0x50 [ 11.144892] __kasan_kmalloc+0xb7/0xc0 [ 11.145015] __kmalloc_cache_noprof+0x189/0x420 [ 11.145163] kmalloc_oob_16+0xa8/0x4a0 [ 11.145303] kunit_try_run_case+0x1a5/0x480 [ 11.145509] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.145765] kthread+0x337/0x6f0 [ 11.145935] ret_from_fork+0x116/0x1d0 [ 11.146089] ret_from_fork_asm+0x1a/0x30 [ 11.146296] [ 11.146361] The buggy address belongs to the object at ffff888102859640 [ 11.146361] which belongs to the cache kmalloc-16 of size 16 [ 11.146800] The buggy address is located 0 bytes inside of [ 11.146800] allocated 13-byte region [ffff888102859640, ffff88810285964d) [ 11.147177] [ 11.147278] The buggy address belongs to the physical page: [ 11.147525] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102859 [ 11.147869] flags: 0x200000000000000(node=0|zone=2) [ 11.148061] page_type: f5(slab) [ 11.148399] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 [ 11.148730] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 11.149039] page dumped because: kasan: bad access detected [ 11.149227] [ 11.149318] Memory state around the buggy address: [ 11.149653] ffff888102859500: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 11.149972] ffff888102859580: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 11.150322] >ffff888102859600: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 11.150645] ^ [ 11.150894] ffff888102859680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.151169] ffff888102859700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.151457] ==================================================================