REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using r5 hash to sort names reiserfs: enabling write barrier flush mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15581 at fs/inode.c:331 drop_nlink+0xbf/0x100 Modules linked in: CPU: 0 PID: 15581 Comm: syz-executor.4 Not tainted 6.3.0-syzkaller-12423-g865fdb08197e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:drop_nlink+0xbf/0x100 fs/inode.c:331 Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 97 2c e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 81 5f 91 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c RSP: 0018:ffffc90004e0f930 EFLAGS: 00010283 RAX: ffffffff81fa2fef RBX: 1ffff110072d77af RCX: 0000000000040000 RDX: ffffc9000c0bf000 RSI: 00000000000080f0 RDI: 00000000000080f1 RBP: 0000000000000000 R08: ffffffff81fa2f73 R09: fffffbfff2065270 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880396bbd78 R13: 1ffff920009c1f38 R14: ffff8880396bbd30 R15: dffffc0000000000 FS: 00007fb04e09c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8fd29831b8 CR3: 0000000073b81000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_mkdir+0x723/0x8f0 fs/reiserfs/namei.c:848 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x323/0x670 fs/reiserfs/xattr.c:1006 reiserfs_remount+0x12bc/0x18f0 fs/reiserfs/super.c:1586 reconfigure_super+0x3c9/0x7c0 fs/super.c:956 do_remount fs/namespace.c:2701 [inline] path_mount+0xc19/0xf80 fs/namespace.c:3361 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb04d28d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb04e09bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb04d28d69a RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00007fb04e09c020 R08: 00007fb04e09c020 R09: 0000000001a484bc R10: 0000000001a484bc R11: 0000000000000202 R12: 00000000200000c0 R13: 0000000020000100 R14: 00007fb04e09bfe0 R15: 00000000200008c0