Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.056288] ================================================================== [ 20.056971] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x15c/0x310 [ 20.057718] Write of size 16 at addr fff00000c6492769 by task kunit_try_catch/165 [ 20.058370] [ 20.058641] CPU: 1 UID: 0 PID: 165 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 20.058839] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.058907] Hardware name: linux,dummy-virt (DT) [ 20.058977] Call trace: [ 20.059026] dump_backtrace+0x9c/0x128 [ 20.059190] show_stack+0x20/0x38 [ 20.059297] dump_stack_lvl+0x8c/0xd0 [ 20.059406] print_report+0x118/0x5f0 [ 20.059484] kasan_report+0xdc/0x128 [ 20.059550] kasan_check_range+0x100/0x1a8 [ 20.059628] __asan_memset+0x34/0x78 [ 20.059696] kmalloc_oob_memset_16+0x15c/0x310 [ 20.059786] kunit_try_run_case+0x170/0x3f0 [ 20.059866] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.059954] kthread+0x24c/0x2d0 [ 20.060038] ret_from_fork+0x10/0x20 [ 20.060148] [ 20.065409] Allocated by task 165: [ 20.065787] kasan_save_stack+0x3c/0x68 [ 20.066136] kasan_save_track+0x20/0x40 [ 20.066687] kasan_save_alloc_info+0x40/0x58 [ 20.067339] __kasan_kmalloc+0xd4/0xd8 [ 20.067864] __kmalloc_cache_noprof+0x154/0x320 [ 20.068425] kmalloc_oob_memset_16+0xb0/0x310 [ 20.068852] kunit_try_run_case+0x170/0x3f0 [ 20.069388] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.069874] kthread+0x24c/0x2d0 [ 20.070346] ret_from_fork+0x10/0x20 [ 20.070751] [ 20.071071] The buggy address belongs to the object at fff00000c6492700 [ 20.071071] which belongs to the cache kmalloc-128 of size 128 [ 20.072124] The buggy address is located 105 bytes inside of [ 20.072124] allocated 120-byte region [fff00000c6492700, fff00000c6492778) [ 20.073118] [ 20.073469] The buggy address belongs to the physical page: [ 20.074030] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106492 [ 20.074738] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.075831] page_type: f5(slab) [ 20.076232] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.076982] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 20.077629] page dumped because: kasan: bad access detected [ 20.078125] [ 20.078301] Memory state around the buggy address: [ 20.078853] fff00000c6492600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.079700] fff00000c6492680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.080487] >fff00000c6492700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.081080] ^ [ 20.081710] fff00000c6492780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.082444] fff00000c6492800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.083049] ==================================================================
[ 12.230510] ================================================================== [ 12.230972] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x167/0x330 [ 12.231911] Write of size 16 at addr ffff88810297ab69 by task kunit_try_catch/183 [ 12.232413] [ 12.232548] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 12.232622] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.232643] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.232692] Call Trace: [ 12.232716] <TASK> [ 12.232753] dump_stack_lvl+0x73/0xb0 [ 12.232818] print_report+0xd1/0x640 [ 12.232862] ? __virt_addr_valid+0x1db/0x2d0 [ 12.232904] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.232938] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.232971] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.233011] kasan_report+0x140/0x180 [ 12.233109] ? kmalloc_oob_memset_16+0x167/0x330 [ 12.233173] kasan_check_range+0x10c/0x1c0 [ 12.233210] __asan_memset+0x27/0x50 [ 12.233247] kmalloc_oob_memset_16+0x167/0x330 [ 12.233284] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.233470] ? __schedule+0xc49/0x27a0 [ 12.233495] ? __pfx_read_tsc+0x10/0x10 [ 12.233514] ? ktime_get_ts64+0x84/0x230 [ 12.233540] kunit_try_run_case+0x1a6/0x480 [ 12.233563] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.233580] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.233599] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.233620] ? __kthread_parkme+0x82/0x160 [ 12.233639] ? preempt_count_sub+0x50/0x80 [ 12.233682] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.233703] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.233725] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.233747] kthread+0x257/0x310 [ 12.233764] ? __pfx_kthread+0x10/0x10 [ 12.233781] ret_from_fork+0x41/0x80 [ 12.233798] ? __pfx_kthread+0x10/0x10 [ 12.233815] ret_from_fork_asm+0x1a/0x30 [ 12.233844] </TASK> [ 12.233857] [ 12.244345] Allocated by task 183: [ 12.244635] kasan_save_stack+0x45/0x70 [ 12.244969] kasan_save_track+0x18/0x40 [ 12.245467] kasan_save_alloc_info+0x3b/0x50 [ 12.245827] __kasan_kmalloc+0xb7/0xc0 [ 12.246236] __kmalloc_cache_noprof+0x168/0x350 [ 12.246448] kmalloc_oob_memset_16+0xad/0x330 [ 12.246642] kunit_try_run_case+0x1a6/0x480 [ 12.247091] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.247326] kthread+0x257/0x310 [ 12.247712] ret_from_fork+0x41/0x80 [ 12.247941] ret_from_fork_asm+0x1a/0x30 [ 12.248241] [ 12.248370] The buggy address belongs to the object at ffff88810297ab00 [ 12.248370] which belongs to the cache kmalloc-128 of size 128 [ 12.249284] The buggy address is located 105 bytes inside of [ 12.249284] allocated 120-byte region [ffff88810297ab00, ffff88810297ab78) [ 12.249744] [ 12.249917] The buggy address belongs to the physical page: [ 12.250580] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10297a [ 12.250880] flags: 0x200000000000000(node=0|zone=2) [ 12.251258] page_type: f5(slab) [ 12.251513] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.251797] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 12.252437] page dumped because: kasan: bad access detected [ 12.252814] [ 12.252914] Memory state around the buggy address: [ 12.253267] ffff88810297aa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.253737] ffff88810297aa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.254393] >ffff88810297ab00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.254740] ^ [ 12.255243] ffff88810297ab80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.255666] ffff88810297ac00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.255967] ==================================================================