REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): using 3.5.x disk format BUG: unable to handle page fault for address: ffff888074200000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 12201067 P4D 12201067 PUD 2a8a4063 PMD 740f9063 PTE 100040020 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4995 Comm: syz-executor270 Not tainted 6.4.0-syzkaller-01406-ge8f75c0270d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:memmove+0x28/0x1b0 arch/x86/lib/memmove_64.S:44 Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48 RSP: 0018:ffffc9000369efb8 EFLAGS: 00010286 RAX: ffff88806ef9cfb4 RBX: 0000000000000002 RCX: fffffffffad9cf94 RDX: ffffffffffffffe0 RSI: ffff8880741ffff0 RDI: ffff888074200000 RBP: 0000000000000020 R08: ffff88806ef9cf84 R09: 0000766972705f73 R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88806ef9cfa4 R15: 0000000000000010 FS: 00005555568ae300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888074200000 CR3: 0000000077014000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: leaf_paste_entries+0x44d/0x910 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+0x9853/0xddc0 fs/reiserfs/do_balan.c:1452 do_balance+0x319/0x810 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x74b/0x8d0 fs/reiserfs/stree.c:2157 reiserfs_add_entry+0x8cb/0xcf0 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x683/0x990 fs/reiserfs/namei.c:860 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x57e/0xbc0 fs/reiserfs/xattr.c:1006 reiserfs_fill_super+0x2129/0x2eb0 fs/reiserfs/super.c:2175 mount_bdev+0x315/0x3e0 fs/super.c:1392 legacy_get_tree+0x109/0x220 fs/fs_context.c:611 vfs_get_tree+0x8d/0x350 fs/super.c:1520 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x136e/0x1e70 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] __x64_sys_mount+0x283/0x300 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f123bb84afa Code: 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff <00> 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 RSP: 002b:00007ffe94ab4c08 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f123bb84afa RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffe94ab4c20 RBP: 00007ffe94ab4c20 R08: 00007ffe94ab4c60 R09: 00000000000010f4 R10: 0000000000000080 R11: 0000000000000286 R12: 0000000000000004 R13: 00005555568ae2c0 R14: 0000000000000080 R15: 00007ffe94ab4c60 Modules linked in: CR2: ffff888074200000 ---[ end trace 0000000000000000 ]--- RIP: 0010:memmove+0x28/0x1b0 arch/x86/lib/memmove_64.S:44 Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48 RSP: 0018:ffffc9000369efb8 EFLAGS: 00010286 RAX: ffff88806ef9cfb4 RBX: 0000000000000002 RCX: fffffffffad9cf94 RDX: ffffffffffffffe0 RSI: ffff8880741ffff0 RDI: ffff888074200000 RBP: 0000000000000020 R08: ffff88806ef9cf84 R09: 0000766972705f73 R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88806ef9cfa4 R15: 0000000000000010 FS: 00005555568ae300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888074200000 CR3: 0000000077014000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c3 retq 1: 90 nop 2: f3 0f 1e fa endbr64 6: 48 89 f8 mov %rdi,%rax 9: 48 39 fe cmp %rdi,%rsi c: 7d 0f jge 0x1d e: 49 89 f0 mov %rsi,%r8 11: 49 01 d0 add %rdx,%r8 14: 49 39 f8 cmp %rdi,%r8 17: 0f 8f b5 00 00 00 jg 0xd2 1d: 48 83 fa 20 cmp $0x20,%rdx 21: 0f 82 01 01 00 00 jb 0x128 27: 48 89 d1 mov %rdx,%rcx * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: c3 retq 2d: 48 81 fa a8 02 00 00 cmp $0x2a8,%rdx 34: 72 05 jb 0x3b 36: 40 38 fe cmp %dil,%sil 39: 74 47 je 0x82 3b: 48 83 ea 20 sub $0x20,%rdx 3f: 48 rex.W