Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.693971] ================================================================== [ 16.694027] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 16.694077] Write of size 4 at addr fff00000c6f3f675 by task kunit_try_catch/175 [ 16.694125] [ 16.695734] CPU: 0 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.696945] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.697048] Hardware name: linux,dummy-virt (DT) [ 16.697382] Call trace: [ 16.697936] show_stack+0x20/0x38 (C) [ 16.698196] dump_stack_lvl+0x8c/0xd0 [ 16.698696] print_report+0x118/0x608 [ 16.699151] kasan_report+0xdc/0x128 [ 16.699300] kasan_check_range+0x100/0x1a8 [ 16.699673] __asan_memset+0x34/0x78 [ 16.700141] kmalloc_oob_memset_4+0x150/0x300 [ 16.700201] kunit_try_run_case+0x170/0x3f0 [ 16.700248] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.700299] kthread+0x328/0x630 [ 16.701483] ret_from_fork+0x10/0x20 [ 16.701923] [ 16.701944] Allocated by task 175: [ 16.702467] kasan_save_stack+0x3c/0x68 [ 16.702620] kasan_save_track+0x20/0x40 [ 16.703076] kasan_save_alloc_info+0x40/0x58 [ 16.703128] __kasan_kmalloc+0xd4/0xd8 [ 16.703165] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.703203] kmalloc_oob_memset_4+0xb0/0x300 [ 16.704333] kunit_try_run_case+0x170/0x3f0 [ 16.704386] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.705295] kthread+0x328/0x630 [ 16.705529] ret_from_fork+0x10/0x20 [ 16.706059] [ 16.706224] The buggy address belongs to the object at fff00000c6f3f600 [ 16.706224] which belongs to the cache kmalloc-128 of size 128 [ 16.706705] The buggy address is located 117 bytes inside of [ 16.706705] allocated 120-byte region [fff00000c6f3f600, fff00000c6f3f678) [ 16.706999] [ 16.707023] The buggy address belongs to the physical page: [ 16.707928] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106f3f [ 16.708368] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.708693] page_type: f5(slab) [ 16.709102] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.709588] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.710130] page dumped because: kasan: bad access detected [ 16.710356] [ 16.710559] Memory state around the buggy address: [ 16.710942] fff00000c6f3f500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.710989] fff00000c6f3f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.711030] >fff00000c6f3f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.711066] ^ [ 16.711105] fff00000c6f3f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.711146] fff00000c6f3f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.712315] ==================================================================
[ 12.482935] ================================================================== [ 12.483458] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 12.483756] Write of size 4 at addr ffff888100a73f75 by task kunit_try_catch/191 [ 12.484390] [ 12.484501] CPU: 0 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.484543] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.484554] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.484573] Call Trace: [ 12.484584] <TASK> [ 12.484598] dump_stack_lvl+0x73/0xb0 [ 12.484627] print_report+0xd1/0x650 [ 12.484649] ? __virt_addr_valid+0x1db/0x2d0 [ 12.484672] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.484693] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.484716] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.484738] kasan_report+0x141/0x180 [ 12.484760] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.484787] kasan_check_range+0x10c/0x1c0 [ 12.484810] __asan_memset+0x27/0x50 [ 12.484830] kmalloc_oob_memset_4+0x166/0x330 [ 12.484851] ? __kasan_check_write+0x18/0x20 [ 12.484870] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.484892] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 12.484944] ? trace_hardirqs_on+0x37/0xe0 [ 12.484968] ? __pfx_read_tsc+0x10/0x10 [ 12.484988] ? ktime_get_ts64+0x86/0x230 [ 12.485013] kunit_try_run_case+0x1a5/0x480 [ 12.485037] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.485062] ? queued_spin_lock_slowpath+0x116/0xb40 [ 12.485086] ? __kthread_parkme+0x82/0x180 [ 12.485191] ? preempt_count_sub+0x50/0x80 [ 12.485215] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.485239] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.485263] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.485288] kthread+0x337/0x6f0 [ 12.485306] ? trace_preempt_on+0x20/0xc0 [ 12.485328] ? __pfx_kthread+0x10/0x10 [ 12.485348] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.485370] ? calculate_sigpending+0x7b/0xa0 [ 12.485394] ? __pfx_kthread+0x10/0x10 [ 12.485415] ret_from_fork+0x116/0x1d0 [ 12.485433] ? __pfx_kthread+0x10/0x10 [ 12.485453] ret_from_fork_asm+0x1a/0x30 [ 12.485484] </TASK> [ 12.485494] [ 12.493439] Allocated by task 191: [ 12.493569] kasan_save_stack+0x45/0x70 [ 12.493847] kasan_save_track+0x18/0x40 [ 12.494053] kasan_save_alloc_info+0x3b/0x50 [ 12.494339] __kasan_kmalloc+0xb7/0xc0 [ 12.494530] __kmalloc_cache_noprof+0x189/0x420 [ 12.494693] kmalloc_oob_memset_4+0xac/0x330 [ 12.495291] kunit_try_run_case+0x1a5/0x480 [ 12.495486] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.495663] kthread+0x337/0x6f0 [ 12.495783] ret_from_fork+0x116/0x1d0 [ 12.495982] ret_from_fork_asm+0x1a/0x30 [ 12.496186] [ 12.496394] The buggy address belongs to the object at ffff888100a73f00 [ 12.496394] which belongs to the cache kmalloc-128 of size 128 [ 12.496847] The buggy address is located 117 bytes inside of [ 12.496847] allocated 120-byte region [ffff888100a73f00, ffff888100a73f78) [ 12.497582] [ 12.497665] The buggy address belongs to the physical page: [ 12.497943] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100a73 [ 12.498261] flags: 0x200000000000000(node=0|zone=2) [ 12.498425] page_type: f5(slab) [ 12.498594] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.498947] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.499370] page dumped because: kasan: bad access detected [ 12.499849] [ 12.499952] Memory state around the buggy address: [ 12.500217] ffff888100a73e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.500489] ffff888100a73e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.500810] >ffff888100a73f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.501217] ^ [ 12.501512] ffff888100a73f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.501817] ffff888100a74000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.502060] ==================================================================