REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop3): Using tea hash to sort names ================================================================== BUG: KASAN: out-of-bounds in leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377 Read of size 18446744073709551600 at addr ffff00017d2b2f94 by task syz-executor.3/14652 CPU: 0 PID: 14652 Comm: syz-executor.3 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x174/0x514 mm/kasan/report.c:475 kasan_report+0xd8/0x138 mm/kasan/report.c:588 kasan_check_range+0x254/0x294 mm/kasan/generic.c:187 __asan_memmove+0x3c/0x84 mm/kasan/shadow.c:94 leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377 balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline] balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline] balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline] balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452 do_balance+0x27c/0x788 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2157 reiserfs_add_entry+0x8ec/0xcc4 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:860 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x2b4/0x638 fs/reiserfs/xattr.c:1006 reiserfs_fill_super+0x1bfc/0x2028 fs/reiserfs/super.c:2175 mount_bdev+0x24c/0x328 fs/super.c:1391 get_super_block+0x44/0x58 fs/reiserfs/super.c:2601 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1519 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 The buggy address belongs to the physical page: page:00000000ec63d27d refcount:2 mapcount:0 mapping:0000000075f9e583 index:0x213 pfn:0x1bd2b2 memcg:ffff0000dba02000 aops:def_blk_aops ino:700003 flags: 0x5ffc00000002032(referenced|lru|active|private|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000002032 fffffc0005f952c8 ffff0000de4c6030 ffff0000c1495918 raw: 0000000000000213 ffff000135ab82b8 00000002ffffffff ffff0000dba02000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff00017d2b2e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff00017d2b2f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff00017d2b2f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff00017d2b3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff00017d2b3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== REISERFS warning (device loop3): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.