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: ffff888077bda000 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD 12c01067 P4D 12c01067 PUD 2b1fa063 PMD 7b6e2063 PTE 8000000077bda121 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5058 Comm: syz-executor107 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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:ffffc9000333ef20 EFLAGS: 00010286 RAX: ffff8880732fafb4 RBX: 0000000000000002 RCX: fffffffffb720f94 RDX: ffffffffffffffe0 RSI: ffff888077bd9ff0 RDI: ffff888077bda000 RBP: 0000000000000020 R08: ffff8880732faf84 R09: 0000766972705f73 R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880732fafa4 R15: 0000000000000010 FS: 00007ff0c21ee6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888077bda000 CR3: 000000001f477000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: leaf_paste_entries+0x43c/0x920 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+0x9478/0xcda0 fs/reiserfs/do_balan.c:1452 do_balance+0x337/0x840 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x62b/0x7c0 fs/reiserfs/stree.c:2158 reiserfs_add_entry+0x936/0xd70 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x68a/0x9a0 fs/reiserfs/namei.c:860 create_privroot fs/reiserfs/xattr.c:891 [inline] reiserfs_xattr_init+0x4e3/0xae0 fs/reiserfs/xattr.c:1007 reiserfs_fill_super+0x2139/0x3160 fs/reiserfs/super.c:2175 mount_bdev+0x1f3/0x2e0 fs/super.c:1650 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1771 do_new_mount fs/namespace.c:3337 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7ff0c22312ba Code: Unable to access opcode bytes at 0x7ff0c2231290. RSP: 002b:00007ff0c21ee088 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff0c22312ba RDX: 00000000200000c0 RSI: 0000000020000140 RDI: 00007ff0c21ee0a0 RBP: 00007ff0c21ee0a0 R08: 00007ff0c21ee0e0 R09: 0000000000001111 R10: 0000000000000000 R11: 0000000000000286 R12: 00007ff0c21ee0e0 R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000400000 Modules linked in: CR2: ffff888077bda000 ---[ 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:ffffc9000333ef20 EFLAGS: 00010286 RAX: ffff8880732fafb4 RBX: 0000000000000002 RCX: fffffffffb720f94 RDX: ffffffffffffffe0 RSI: ffff888077bd9ff0 RDI: ffff888077bda000 RBP: 0000000000000020 R08: ffff8880732faf84 R09: 0000766972705f73 R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880732fafa4 R15: 0000000000000010 FS: 00007ff0c21ee6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff0c2231290 CR3: 000000001f477000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c3 ret 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 ret 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