Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.908969] ================================================================== [ 16.909032] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 16.909089] Write of size 8 at addr fff00000c748a971 by task kunit_try_catch/185 [ 16.909139] [ 16.909174] CPU: 1 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 16.909522] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.909566] Hardware name: linux,dummy-virt (DT) [ 16.909607] Call trace: [ 16.909710] show_stack+0x20/0x38 (C) [ 16.909777] dump_stack_lvl+0x8c/0xd0 [ 16.909843] print_report+0x118/0x608 [ 16.909963] kasan_report+0xdc/0x128 [ 16.910011] kasan_check_range+0x100/0x1a8 [ 16.910413] __asan_memset+0x34/0x78 [ 16.910498] kmalloc_oob_memset_8+0x150/0x2f8 [ 16.910644] kunit_try_run_case+0x170/0x3f0 [ 16.910737] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.910887] kthread+0x328/0x630 [ 16.910992] ret_from_fork+0x10/0x20 [ 16.911364] [ 16.911425] Allocated by task 185: [ 16.911492] kasan_save_stack+0x3c/0x68 [ 16.911546] kasan_save_track+0x20/0x40 [ 16.911618] kasan_save_alloc_info+0x40/0x58 [ 16.911674] __kasan_kmalloc+0xd4/0xd8 [ 16.911711] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.911759] kmalloc_oob_memset_8+0xb0/0x2f8 [ 16.911796] kunit_try_run_case+0x170/0x3f0 [ 16.911833] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.911875] kthread+0x328/0x630 [ 16.911923] ret_from_fork+0x10/0x20 [ 16.911971] [ 16.911998] The buggy address belongs to the object at fff00000c748a900 [ 16.911998] which belongs to the cache kmalloc-128 of size 128 [ 16.912056] The buggy address is located 113 bytes inside of [ 16.912056] allocated 120-byte region [fff00000c748a900, fff00000c748a978) [ 16.912117] [ 16.912145] The buggy address belongs to the physical page: [ 16.912181] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10748a [ 16.912254] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.912303] page_type: f5(slab) [ 16.912352] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.912411] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.912451] page dumped because: kasan: bad access detected [ 16.912481] [ 16.912499] Memory state around the buggy address: [ 16.912530] fff00000c748a800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.912571] fff00000c748a880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.912620] >fff00000c748a900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.912666] ^ [ 16.912705] fff00000c748a980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.912756] fff00000c748aa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.912793] ==================================================================
[ 18.140718] ================================================================== [ 18.141863] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 18.142637] Write of size 8 at addr ffff888100ab8471 by task kunit_try_catch/203 [ 18.143088] [ 18.143559] CPU: 1 UID: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 18.143687] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.143723] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.143777] Call Trace: [ 18.143812] <TASK> [ 18.143873] dump_stack_lvl+0x73/0xb0 [ 18.143961] print_report+0xd1/0x650 [ 18.144035] ? __virt_addr_valid+0x1db/0x2d0 [ 18.144110] ? kmalloc_oob_memset_8+0x166/0x330 [ 18.144177] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.144331] ? kmalloc_oob_memset_8+0x166/0x330 [ 18.144398] kasan_report+0x141/0x180 [ 18.144434] ? kmalloc_oob_memset_8+0x166/0x330 [ 18.144472] kasan_check_range+0x10c/0x1c0 [ 18.144507] __asan_memset+0x27/0x50 [ 18.144536] kmalloc_oob_memset_8+0x166/0x330 [ 18.144567] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 18.144598] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 18.144633] ? trace_hardirqs_on+0x37/0xe0 [ 18.144667] ? __pfx_read_tsc+0x10/0x10 [ 18.144696] ? ktime_get_ts64+0x86/0x230 [ 18.144731] kunit_try_run_case+0x1a5/0x480 [ 18.144764] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.144799] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.144828] ? __kthread_parkme+0x82/0x180 [ 18.144888] ? preempt_count_sub+0x50/0x80 [ 18.144922] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.144955] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.144987] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.145019] kthread+0x337/0x6f0 [ 18.145045] ? trace_preempt_on+0x20/0xc0 [ 18.145076] ? __pfx_kthread+0x10/0x10 [ 18.145106] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.145141] ? calculate_sigpending+0x7b/0xa0 [ 18.145174] ? __pfx_kthread+0x10/0x10 [ 18.145204] ret_from_fork+0x116/0x1d0 [ 18.145287] ? __pfx_kthread+0x10/0x10 [ 18.145371] ret_from_fork_asm+0x1a/0x30 [ 18.145419] </TASK> [ 18.145437] [ 18.162379] Allocated by task 203: [ 18.162659] kasan_save_stack+0x45/0x70 [ 18.163043] kasan_save_track+0x18/0x40 [ 18.163571] kasan_save_alloc_info+0x3b/0x50 [ 18.164003] __kasan_kmalloc+0xb7/0xc0 [ 18.164480] __kmalloc_cache_noprof+0x189/0x420 [ 18.164931] kmalloc_oob_memset_8+0xac/0x330 [ 18.165397] kunit_try_run_case+0x1a5/0x480 [ 18.165703] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.166350] kthread+0x337/0x6f0 [ 18.166715] ret_from_fork+0x116/0x1d0 [ 18.167130] ret_from_fork_asm+0x1a/0x30 [ 18.167706] [ 18.167926] The buggy address belongs to the object at ffff888100ab8400 [ 18.167926] which belongs to the cache kmalloc-128 of size 128 [ 18.168914] The buggy address is located 113 bytes inside of [ 18.168914] allocated 120-byte region [ffff888100ab8400, ffff888100ab8478) [ 18.169821] [ 18.170041] The buggy address belongs to the physical page: [ 18.170680] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100ab8 [ 18.171495] flags: 0x200000000000000(node=0|zone=2) [ 18.171963] page_type: f5(slab) [ 18.172495] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 18.173086] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.173724] page dumped because: kasan: bad access detected [ 18.174200] [ 18.174543] Memory state around the buggy address: [ 18.174905] ffff888100ab8300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.177529] ffff888100ab8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.178032] >ffff888100ab8400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.178433] ^ [ 18.179074] ffff888100ab8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.179670] ffff888100ab8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.180262] ==================================================================