Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.372410] ================================================================== [ 19.372570] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 19.372712] Write of size 16 at addr fff00000c6408169 by task kunit_try_catch/187 [ 19.374532] [ 19.374800] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 19.375683] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.375912] Hardware name: linux,dummy-virt (DT) [ 19.376165] Call trace: [ 19.376292] show_stack+0x20/0x38 (C) [ 19.376928] dump_stack_lvl+0x8c/0xd0 [ 19.377166] print_report+0x118/0x608 [ 19.377458] kasan_report+0xdc/0x128 [ 19.377584] kasan_check_range+0x100/0x1a8 [ 19.377689] __asan_memset+0x34/0x78 [ 19.377776] kmalloc_oob_memset_16+0x150/0x2f8 [ 19.377909] kunit_try_run_case+0x170/0x3f0 [ 19.378646] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.379592] kthread+0x328/0x630 [ 19.380017] ret_from_fork+0x10/0x20 [ 19.380243] [ 19.380491] Allocated by task 187: [ 19.380593] kasan_save_stack+0x3c/0x68 [ 19.381058] kasan_save_track+0x20/0x40 [ 19.381291] kasan_save_alloc_info+0x40/0x58 [ 19.381379] __kasan_kmalloc+0xd4/0xd8 [ 19.381460] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.381536] kmalloc_oob_memset_16+0xb0/0x2f8 [ 19.381605] kunit_try_run_case+0x170/0x3f0 [ 19.381678] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.381768] kthread+0x328/0x630 [ 19.383290] ret_from_fork+0x10/0x20 [ 19.383827] [ 19.384401] The buggy address belongs to the object at fff00000c6408100 [ 19.384401] which belongs to the cache kmalloc-128 of size 128 [ 19.384585] The buggy address is located 105 bytes inside of [ 19.384585] allocated 120-byte region [fff00000c6408100, fff00000c6408178) [ 19.385360] [ 19.385419] The buggy address belongs to the physical page: [ 19.385499] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106408 [ 19.386566] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.387172] page_type: f5(slab) [ 19.387282] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.387406] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.387509] page dumped because: kasan: bad access detected [ 19.387585] [ 19.387629] Memory state around the buggy address: [ 19.387706] fff00000c6408000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.387809] fff00000c6408080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.387923] >fff00000c6408100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.388018] ^ [ 19.388117] fff00000c6408180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.388215] fff00000c6408200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.388311] ==================================================================
[ 11.594140] ================================================================== [ 11.594681] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.595033] Write of size 16 at addr ffff888102a15d69 by task kunit_try_catch/203 [ 11.595321] [ 11.595533] CPU: 0 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 11.595586] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.595597] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.595618] Call Trace: [ 11.595654] <TASK> [ 11.595674] dump_stack_lvl+0x73/0xb0 [ 11.595706] print_report+0xd1/0x650 [ 11.595742] ? __virt_addr_valid+0x1db/0x2d0 [ 11.595767] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.595787] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.595808] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.595829] kasan_report+0x141/0x180 [ 11.595850] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.595875] kasan_check_range+0x10c/0x1c0 [ 11.595897] __asan_memset+0x27/0x50 [ 11.595916] kmalloc_oob_memset_16+0x166/0x330 [ 11.595949] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.595971] ? __schedule+0x10cc/0x2b60 [ 11.596010] ? __pfx_read_tsc+0x10/0x10 [ 11.596033] ? ktime_get_ts64+0x86/0x230 [ 11.596058] kunit_try_run_case+0x1a5/0x480 [ 11.596082] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.596103] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.596124] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.596145] ? __kthread_parkme+0x82/0x180 [ 11.596183] ? preempt_count_sub+0x50/0x80 [ 11.596207] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.596229] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.596250] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.596272] kthread+0x337/0x6f0 [ 11.596291] ? trace_preempt_on+0x20/0xc0 [ 11.596314] ? __pfx_kthread+0x10/0x10 [ 11.596334] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.596353] ? calculate_sigpending+0x7b/0xa0 [ 11.596377] ? __pfx_kthread+0x10/0x10 [ 11.596448] ret_from_fork+0x116/0x1d0 [ 11.596469] ? __pfx_kthread+0x10/0x10 [ 11.596489] ret_from_fork_asm+0x1a/0x30 [ 11.596522] </TASK> [ 11.596533] [ 11.606398] Allocated by task 203: [ 11.606584] kasan_save_stack+0x45/0x70 [ 11.606784] kasan_save_track+0x18/0x40 [ 11.607754] kasan_save_alloc_info+0x3b/0x50 [ 11.608314] __kasan_kmalloc+0xb7/0xc0 [ 11.608515] __kmalloc_cache_noprof+0x189/0x420 [ 11.608742] kmalloc_oob_memset_16+0xac/0x330 [ 11.609605] kunit_try_run_case+0x1a5/0x480 [ 11.609927] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.610344] kthread+0x337/0x6f0 [ 11.610800] ret_from_fork+0x116/0x1d0 [ 11.611383] ret_from_fork_asm+0x1a/0x30 [ 11.611597] [ 11.611716] The buggy address belongs to the object at ffff888102a15d00 [ 11.611716] which belongs to the cache kmalloc-128 of size 128 [ 11.612857] The buggy address is located 105 bytes inside of [ 11.612857] allocated 120-byte region [ffff888102a15d00, ffff888102a15d78) [ 11.613830] [ 11.614032] The buggy address belongs to the physical page: [ 11.614279] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a15 [ 11.614793] flags: 0x200000000000000(node=0|zone=2) [ 11.615036] page_type: f5(slab) [ 11.615194] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.615990] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.616346] page dumped because: kasan: bad access detected [ 11.616879] [ 11.616989] Memory state around the buggy address: [ 11.617361] ffff888102a15c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.617805] ffff888102a15c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.618460] >ffff888102a15d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.618899] ^ [ 11.619194] ffff888102a15d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.619701] ffff888102a15e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.620217] ==================================================================