Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.628174] ================================================================== [ 15.628347] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 15.628414] Write of size 8 at addr fff00000c7811471 by task kunit_try_catch/179 [ 15.628462] [ 15.628493] CPU: 1 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 15.628573] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.628598] Hardware name: linux,dummy-virt (DT) [ 15.628629] Call trace: [ 15.628651] show_stack+0x20/0x38 (C) [ 15.628719] dump_stack_lvl+0x8c/0xd0 [ 15.628769] print_report+0x118/0x608 [ 15.628813] kasan_report+0xdc/0x128 [ 15.628866] kasan_check_range+0x100/0x1a8 [ 15.628911] __asan_memset+0x34/0x78 [ 15.629133] kmalloc_oob_memset_8+0x150/0x2f8 [ 15.629190] kunit_try_run_case+0x170/0x3f0 [ 15.629250] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.629317] kthread+0x328/0x630 [ 15.629374] ret_from_fork+0x10/0x20 [ 15.629420] [ 15.629439] Allocated by task 179: [ 15.629467] kasan_save_stack+0x3c/0x68 [ 15.629510] kasan_save_track+0x20/0x40 [ 15.629545] kasan_save_alloc_info+0x40/0x58 [ 15.629582] __kasan_kmalloc+0xd4/0xd8 [ 15.629626] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.629664] kmalloc_oob_memset_8+0xb0/0x2f8 [ 15.629701] kunit_try_run_case+0x170/0x3f0 [ 15.629738] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.629781] kthread+0x328/0x630 [ 15.629821] ret_from_fork+0x10/0x20 [ 15.629856] [ 15.629875] The buggy address belongs to the object at fff00000c7811400 [ 15.629875] which belongs to the cache kmalloc-128 of size 128 [ 15.629937] The buggy address is located 113 bytes inside of [ 15.629937] allocated 120-byte region [fff00000c7811400, fff00000c7811478) [ 15.630659] [ 15.631153] The buggy address belongs to the physical page: [ 15.631463] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107811 [ 15.631822] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.632447] page_type: f5(slab) [ 15.632541] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.632637] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.632893] page dumped because: kasan: bad access detected [ 15.632936] [ 15.632964] Memory state around the buggy address: [ 15.633412] fff00000c7811300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.633661] fff00000c7811380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.633861] >fff00000c7811400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.634093] ^ [ 15.634313] fff00000c7811480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.634393] fff00000c7811500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.634552] ==================================================================
[ 11.316209] ================================================================== [ 11.317044] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.317359] Write of size 8 at addr ffff888102dc0871 by task kunit_try_catch/195 [ 11.317760] [ 11.317897] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.317957] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.317969] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.317991] Call Trace: [ 11.318003] <TASK> [ 11.318021] dump_stack_lvl+0x73/0xb0 [ 11.318057] print_report+0xd1/0x650 [ 11.318081] ? __virt_addr_valid+0x1db/0x2d0 [ 11.318104] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.318136] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.318159] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.318182] kasan_report+0x141/0x180 [ 11.318205] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.318248] kasan_check_range+0x10c/0x1c0 [ 11.318268] __asan_memset+0x27/0x50 [ 11.318288] kmalloc_oob_memset_8+0x166/0x330 [ 11.318370] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.318397] ? __schedule+0x10cc/0x2b60 [ 11.318421] ? __pfx_read_tsc+0x10/0x10 [ 11.318442] ? ktime_get_ts64+0x86/0x230 [ 11.318468] kunit_try_run_case+0x1a5/0x480 [ 11.318493] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.318515] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.318538] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.318562] ? __kthread_parkme+0x82/0x180 [ 11.318584] ? preempt_count_sub+0x50/0x80 [ 11.318609] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.318633] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.318655] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.318678] kthread+0x337/0x6f0 [ 11.318695] ? trace_preempt_on+0x20/0xc0 [ 11.318719] ? __pfx_kthread+0x10/0x10 [ 11.318748] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.318769] ? calculate_sigpending+0x7b/0xa0 [ 11.318791] ? __pfx_kthread+0x10/0x10 [ 11.318821] ret_from_fork+0x41/0x80 [ 11.318841] ? __pfx_kthread+0x10/0x10 [ 11.318859] ret_from_fork_asm+0x1a/0x30 [ 11.318901] </TASK> [ 11.318912] [ 11.326667] Allocated by task 195: [ 11.326867] kasan_save_stack+0x45/0x70 [ 11.327079] kasan_save_track+0x18/0x40 [ 11.327320] kasan_save_alloc_info+0x3b/0x50 [ 11.327568] __kasan_kmalloc+0xb7/0xc0 [ 11.327789] __kmalloc_cache_noprof+0x189/0x420 [ 11.328016] kmalloc_oob_memset_8+0xac/0x330 [ 11.328160] kunit_try_run_case+0x1a5/0x480 [ 11.328314] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.328570] kthread+0x337/0x6f0 [ 11.328732] ret_from_fork+0x41/0x80 [ 11.328917] ret_from_fork_asm+0x1a/0x30 [ 11.329053] [ 11.329122] The buggy address belongs to the object at ffff888102dc0800 [ 11.329122] which belongs to the cache kmalloc-128 of size 128 [ 11.329607] The buggy address is located 113 bytes inside of [ 11.329607] allocated 120-byte region [ffff888102dc0800, ffff888102dc0878) [ 11.330122] [ 11.330193] The buggy address belongs to the physical page: [ 11.330369] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102dc0 [ 11.330902] flags: 0x200000000000000(node=0|zone=2) [ 11.331169] page_type: f5(slab) [ 11.331437] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.331949] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.332247] page dumped because: kasan: bad access detected [ 11.332702] [ 11.332779] Memory state around the buggy address: [ 11.333006] ffff888102dc0700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.333355] ffff888102dc0780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.333678] >ffff888102dc0800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.333978] ^ [ 11.334318] ffff888102dc0880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.334633] ffff888102dc0900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.334944] ==================================================================