REISERFS warning (device loop5): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 UNKNOWN] (nlink == 1) not found (pos 2) REISERFS warning: green-16003 errcatch_is_left_mergeable: Invalid item type observed, run fsck ASAP ================================================================== BUG: KASAN: slab-out-of-bounds in reiserfs_release_objectid+0x430/0x614 fs/reiserfs/objectid.c:165 Read of size 8188 at addr ffff0000f2b73050 by task syz-executor/5062 CPU: 1 PID: 5062 Comm: syz-executor Not tainted 6.1.135-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x220 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:427 kasan_report+0xa8/0x100 mm/kasan/report.c:531 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x260/0x2a0 mm/kasan/generic.c:189 memmove+0x48/0x90 mm/kasan/shadow.c:54 reiserfs_release_objectid+0x430/0x614 fs/reiserfs/objectid.c:165 remove_save_link+0x21c/0x320 fs/reiserfs/super.c:542 reiserfs_evict_inode+0x2fc/0x3e8 fs/reiserfs/inode.c:91 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 do_unlinkat+0x360/0x4e8 fs/namei.c:4397 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the physical page: page:00000000e4365816 refcount:2 mapcount:0 mapping:00000000425d3827 index:0x10 pfn:0x132b73 memcg:ffff0000c0940000 aops:def_blk_aops ino:700005 flags: 0x5ffd60000022056(referenced|uptodate|lru|workingset|private|mappedtodisk|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffd60000022056 fffffc0003cbf788 fffffc00033a2988 ffff0000c04a0810 raw: 0000000000000010 ffff0000f46bd0e8 00000002ffffffff ffff0000c0940000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000f2b73f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000f2b74000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000f2b74080: 00 00 00 00 00 fc fc fc fc fc fc fc fc 00 00 00 ^ ffff0000f2b74100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000f2b74180: 00 00 fc fc fc fc fc fc fc fc 00 00 00 00 00 00 ==================================================================