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 BUG: unable to handle page fault for address: ffff88801006d000 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD 12201067 P4D 12201067 PUD 12202067 PMD 14269063 PTE 800000001006d161 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4991 Comm: syz-executor369 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:memmove+0x56/0x1b0 arch/x86/lib/memmove_64.S:72 Code: fa a8 02 00 00 72 05 40 38 fe 74 48 48 83 ea 20 48 83 ea 20 4c 8b 1e 4c 8b 56 08 4c 8b 4e 10 4c 8b 46 18 48 8d 76 20 4c 89 1f <4c> 89 57 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 RSP: 0018:ffffc90003b1efb0 EFLAGS: 00010282 RAX: ffff88800fd39fb4 RBX: 0000000000000002 RCX: 1ffff11001fa7201 RDX: ffffffffffcccf61 RSI: ffff88801006d004 RDI: ffff88801006cff4 RBP: 0000000000000020 R08: 00100f9000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffff88800fd39fa4 R15: 0000000000000010 FS: 0000555555c513c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88801006d000 CR3: 0000000017339000 CR4: 0000000000350ef0 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+0x357/0x420 fs/super.c:1380 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3039 [inline] path_mount+0x134b/0x1e40 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3568 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: 0033:0x7f3b34bb82ea Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd5e11cd88 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3b34bb82ea RDX: 0000000020001100 RSI: 0000000020000180 RDI: 00007ffd5e11cda0 RBP: 00007ffd5e11cda0 R08: 00007ffd5e11cde0 R09: 00000000000010de R10: 0000000000000080 R11: 0000000000000286 R12: 0000000000000004 R13: 0000555555c51380 R14: 0000000000000080 R15: 00007ffd5e11cde0 Modules linked in: CR2: ffff88801006d000 ---[ end trace 0000000000000000 ]--- RIP: 0010:memmove+0x56/0x1b0 arch/x86/lib/memmove_64.S:72 Code: fa a8 02 00 00 72 05 40 38 fe 74 48 48 83 ea 20 48 83 ea 20 4c 8b 1e 4c 8b 56 08 4c 8b 4e 10 4c 8b 46 18 48 8d 76 20 4c 89 1f <4c> 89 57 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 RSP: 0018:ffffc90003b1efb0 EFLAGS: 00010282 RAX: ffff88800fd39fb4 RBX: 0000000000000002 RCX: 1ffff11001fa7201 RDX: ffffffffffcccf61 RSI: ffff88801006d004 RDI: ffff88801006cff4 RBP: 0000000000000020 R08: 00100f9000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffff88800fd39fa4 R15: 0000000000000010 FS: 0000555555c513c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88801006d000 CR3: 0000000017339000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: fa cli 1: a8 02 test $0x2,%al 3: 00 00 add %al,(%rax) 5: 72 05 jb 0xc 7: 40 38 fe cmp %dil,%sil a: 74 48 je 0x54 c: 48 83 ea 20 sub $0x20,%rdx 10: 48 83 ea 20 sub $0x20,%rdx 14: 4c 8b 1e mov (%rsi),%r11 17: 4c 8b 56 08 mov 0x8(%rsi),%r10 1b: 4c 8b 4e 10 mov 0x10(%rsi),%r9 1f: 4c 8b 46 18 mov 0x18(%rsi),%r8 23: 48 8d 76 20 lea 0x20(%rsi),%rsi 27: 4c 89 1f mov %r11,(%rdi) * 2a: 4c 89 57 08 mov %r10,0x8(%rdi) <-- trapping instruction 2e: 4c 89 4f 10 mov %r9,0x10(%rdi) 32: 4c 89 47 18 mov %r8,0x18(%rdi) 36: 48 8d 7f 20 lea 0x20(%rdi),%rdi 3a: 73 d4 jae 0x10 3c: 48 83 c2 20 add $0x20,%rdx