r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) writev(r0, 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) syslog(0x0, 0x0, 0x0) syslog(0x2, &(0x7f00000001c0)=""/158, 0x9e) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/stat\x00')